PR ipa/pr67600

	* ipa-polymorphic-call.c
	(ipa_polymorphic_call_context::get_dynamic_type): Do not confuse
	instance offset with offset of outer type.
	* g++.dg/torture/pr67600.C: New testcase.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@229279 138bc75d-0d04-0410-961f-82ee72b054a4

4 files changed, 27931 insertions, 6 deletions

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 5938dc16c7a..4494d624f32 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,13 @@
 2015-10-23  Jan Hubicka  <hubicka@ucw.cz>
 
+	PR ipa/pr67600
+	* ipa-polymorphic-call.c
+	(ipa_polymorphic_call_context::get_dynamic_type): Do not confuse
+	instance offset with offset of outer type.
+	* g++.dg/torture/pr67600.C: New testcase.
+
+2015-10-23  Jan Hubicka  <hubicka@ucw.cz>
+
 	* fold-const.c (operand_equal_p): Handle VIEW_CONVERT_EXPR.
 
 2015-10-23  Caroline Tice  <cmtice@google.com>
diff --git a/gcc/ipa-polymorphic-call.c b/gcc/ipa-polymorphic-call.c
index 9ce86d1c7d4..9cf09b821da 100644
--- a/gcc/ipa-polymorphic-call.c
+++ b/gcc/ipa-polymorphic-call.c
@@ -1512,6 +1512,7 @@ ipa_polymorphic_call_context::get_dynamic_type (tree instance,
   /* Remember OFFSET before it is modified by restrict_to_inner_class.
      This is because we do not update INSTANCE when walking inwards.  */
   HOST_WIDE_INT instance_offset = offset;
+  tree instance_outer_type = outer_type;
 
   if (otr_type)
     otr_type = TYPE_MAIN_VARIANT (otr_type);
@@ -1599,7 +1600,7 @@ ipa_polymorphic_call_context::get_dynamic_type (tree instance,
 	}
     }
  
-  /* If we failed to look up the refernece in code, build our own.  */
+  /* If we failed to look up the reference in code, build our own.  */
   if (!instance_ref)
     {
       /* If the statement in question does not use memory, we can't tell
@@ -1637,13 +1638,13 @@ ipa_polymorphic_call_context::get_dynamic_type (tree instance,
       print_generic_expr (dump_file, otr_object, TDF_SLIM);
       fprintf (dump_file, "  Outer instance pointer: ");
       print_generic_expr (dump_file, instance, TDF_SLIM);
-      fprintf (dump_file, " offset: %i (bits)", (int)offset);
+      fprintf (dump_file, " offset: %i (bits)", (int)instance_offset);
       fprintf (dump_file, " vtbl reference: ");
       print_generic_expr (dump_file, instance_ref, TDF_SLIM);
       fprintf (dump_file, "\n");
     }
 
-  tci.offset = offset;
+  tci.offset = instance_offset;
   tci.instance = instance;
   tci.vtbl_ptr_ref = instance_ref;
   gcc_assert (TREE_CODE (instance) != MEM_REF);
@@ -1709,9 +1710,12 @@ ipa_polymorphic_call_context::get_dynamic_type (tree instance,
 	  && !dynamic
 	  && !tci.seen_unanalyzed_store
 	  && !tci.multiple_types_encountered
-	  && offset == tci.offset
-	  && types_same_for_odr (tci.known_current_type,
-				 outer_type)))
+	  && ((offset == tci.offset
+	       && types_same_for_odr (tci.known_current_type,
+				      outer_type))
+	       || (instance_offset == offset
+		   && types_same_for_odr (tci.known_current_type,
+					  instance_outer_type)))))
     {
       if (!outer_type || tci.seen_unanalyzed_store)
 	return false;
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 4cdccf2179e..bd0281a0243 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2015-10-23  Jan Hubicka  <hubicka@ucw.cz>
+
+	PR ipa/pr67600
+	* g++.dg/torture/pr67600.C: New testcase.
+
 2015-10-23  Ilya Enkovich  <enkovich.gnu@gmail.com>
 
 	* g++.dg/pr68062.C: New test.
diff --git a/gcc/testsuite/g++.dg/torture/pr67600.C b/gcc/testsuite/g++.dg/torture/pr67600.C
new file mode 100644
index 00000000000..5775d3619ba
--- /dev/null
+++ b/gcc/testsuite/g++.dg/torture/pr67600.C
@@ -0,0 +1,27908 @@
+// { dg-do run }
+# 1 "t.C"
+# 1 "<built-in>"
+# 1 "<command-line>"
+# 1 "t.C"
+# 1 "/aux/hubicka/trunk-install/include/c++/6.0.0/iostream" 1 3
+# 36 "/aux/hubicka/trunk-install/include/c++/6.0.0/iostream" 3
+       
+# 37 "/aux/hubicka/trunk-install/include/c++/6.0.0/iostream" 3
+
+# 1 "/aux/hubicka/trunk-install/include/c++/6.0.0/x86_64-pc-linux-gnu/bits/c++config.h" 1 3
+# 196 "/aux/hubicka/trunk-install/include/c++/6.0.0/x86_64-pc-linux-gnu/bits/c++config.h" 3
+
+# 196 "/aux/hubicka/trunk-install/include/c++/6.0.0/x86_64-pc-linux-gnu/bits/c++config.h" 3
+namespace std
+{
+  typedef long unsigned int size_t;
+  typedef long int ptrdiff_t;
+
+
+  typedef decltype(nullptr) nullptr_t;
+
+}
+# 218 "/aux/hubicka/trunk-install/include/c++/6.0.0/x86_64-pc-linux-gnu/bits/c++config.h" 3
+namespace std
+{
+  inline namespace __cxx11 __attribute__((__abi_tag__ ("cxx11"))) { }
+}
+namespace __gnu_cxx
+{
+  inline namespace __cxx11 __attribute__((__abi_tag__ ("cxx11"))) { }
+}
+# 493 "/aux/hubicka/trunk-install/include/c++/6.0.0/x86_64-pc-linux-gnu/bits/c++config.h" 3
+# 1 "/aux/hubicka/trunk-install/include/c++/6.0.0/x86_64-pc-linux-gnu/bits/os_defines.h" 1 3
+# 39 "/aux/hubicka/trunk-install/include/c++/6.0.0/x86_64-pc-linux-gnu/bits/os_defines.h" 3
+# 1 "/usr/include/features.h" 1 3 4
+# 323 "/usr/include/features.h" 3 4
+# 1 "/usr/include/x86_64-linux-gnu/bits/predefs.h" 1 3 4
+# 324 "/usr/include/features.h" 2 3 4
+# 356 "/usr/include/features.h" 3 4
+# 1 "/usr/include/x86_64-linux-gnu/sys/cdefs.h" 1 3 4
+# 359 "/usr/include/x86_64-linux-gnu/sys/cdefs.h" 3 4
+# 1 "/usr/include/x86_64-linux-gnu/bits/wordsize.h" 1 3 4
+# 360 "/usr/include/x86_64-linux-gnu/sys/cdefs.h" 2 3 4
+# 357 "/usr/include/features.h" 2 3 4
+# 388 "/usr/include/features.h" 3 4
+# 1 "/usr/include/x86_64-linux-gnu/gnu/stubs.h" 1 3 4
+
+
+
+# 1 "/usr/include/x86_64-linux-gnu/bits/wordsize.h" 1 3 4
+# 5 "/usr/include/x86_64-linux-gnu/gnu/stubs.h" 2 3 4
+
+
+
+
+# 1 "/usr/include/x86_64-linux-gnu/gnu/stubs-64.h" 1 3 4
+# 10 "/usr/include/x86_64-linux-gnu/gnu/stubs.h" 2 3 4
+# 389 "/usr/include/features.h" 2 3 4
+# 40 "/aux/hubicka/trunk-install/include/c++/6.0.0/x86_64-pc-linux-gnu/bits/os_defines.h" 2 3
+# 494 "/aux/hubicka/trunk-install/include/c++/6.0.0/x86_64-pc-linux-gnu/bits/c++config.h" 2 3
+
+
+# 1 "/aux/hubicka/trunk-install/include/c++/6.0.0/x86_64-pc-linux-gnu/bits/cpu_defines.h" 1 3
+# 497 "/aux/hubicka/trunk-install/include/c++/6.0.0/x86_64-pc-linux-gnu/bits/c++config.h" 2 3
+# 39 "/aux/hubicka/trunk-install/include/c++/6.0.0/iostream" 2 3
+# 1 "/aux/hubicka/trunk-install/include/c++/6.0.0/ostream" 1 3
+# 36 "/aux/hubicka/trunk-install/include/c++/6.0.0/ostream" 3
+       
+# 37 "/aux/hubicka/trunk-install/include/c++/6.0.0/ostream" 3
+
+# 1 "/aux/hubicka/trunk-install/include/c++/6.0.0/ios" 1 3
+# 36 "/aux/hubicka/trunk-install/include/c++/6.0.0/ios" 3
+       
+# 37 "/aux/hubicka/trunk-install/include/c++/6.0.0/ios" 3
+
+# 1 "/aux/hubicka/trunk-install/include/c++/6.0.0/iosfwd" 1 3
+# 36 "/aux/hubicka/trunk-install/include/c++/6.0.0/iosfwd" 3
+       
+# 37 "/aux/hubicka/trunk-install/include/c++/6.0.0/iosfwd" 3
+
+
+# 1 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/stringfwd.h" 1 3
+# 37 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/stringfwd.h" 3
+       
+# 38 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/stringfwd.h" 3
+
+
+# 1 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/memoryfwd.h" 1 3
+# 46 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/memoryfwd.h" 3
+       
+# 47 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/memoryfwd.h" 3
+
+
+
+namespace std __attribute__ ((__visibility__ ("default")))
+{
+
+# 63 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/memoryfwd.h" 3
+  template<typename>
+    class allocator;
+
+  template<>
+    class allocator<void>;
+
+
+  template<typename, typename>
+    struct uses_allocator;
+
+
+
+
+}
+# 41 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/stringfwd.h" 2 3
+
+namespace std __attribute__ ((__visibility__ ("default")))
+{
+
+
+
+
+
+
+
+
+  template<class _CharT>
+    struct char_traits;
+
+  template<> struct char_traits<char>;
+
+
+  template<> struct char_traits<wchar_t>;
+
+
+
+
+  template<> struct char_traits<char16_t>;
+  template<> struct char_traits<char32_t>;
+
+
+namespace __cxx11 {
+
+  template<typename _CharT, typename _Traits = char_traits<_CharT>,
+           typename _Alloc = allocator<_CharT> >
+    class basic_string;
+
+
+  typedef basic_string<char> string;
+
+
+
+  typedef basic_string<wchar_t> wstring;
+
+
+
+
+
+  typedef basic_string<char16_t> u16string;
+
+
+  typedef basic_string<char32_t> u32string;
+
+
+}
+
+
+
+
+}
+# 40 "/aux/hubicka/trunk-install/include/c++/6.0.0/iosfwd" 2 3
+# 1 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/postypes.h" 1 3
+# 38 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/postypes.h" 3
+       
+# 39 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/postypes.h" 3
+
+# 1 "/aux/hubicka/trunk-install/include/c++/6.0.0/cwchar" 1 3
+# 39 "/aux/hubicka/trunk-install/include/c++/6.0.0/cwchar" 3
+       
+# 40 "/aux/hubicka/trunk-install/include/c++/6.0.0/cwchar" 3
+
+
+
+
+# 1 "/usr/include/wchar.h" 1 3 4
+# 37 "/usr/include/wchar.h" 3 4
+# 1 "/usr/include/stdio.h" 1 3 4
+# 45 "/usr/include/stdio.h" 3 4
+struct _IO_FILE;
+
+
+
+typedef struct _IO_FILE FILE;
+
+
+
+
+
+# 65 "/usr/include/stdio.h" 3 4
+typedef struct _IO_FILE __FILE;
+# 38 "/usr/include/wchar.h" 2 3 4
+
+
+# 1 "/aux/hubicka/trunk-install/lib/gcc/x86_64-pc-linux-gnu/6.0.0/include/stdarg.h" 1 3 4
+# 40 "/aux/hubicka/trunk-install/lib/gcc/x86_64-pc-linux-gnu/6.0.0/include/stdarg.h" 3 4
+typedef __builtin_va_list __gnuc_va_list;
+# 41 "/usr/include/wchar.h" 2 3 4
+
+# 1 "/usr/include/x86_64-linux-gnu/bits/wchar.h" 1 3 4
+# 43 "/usr/include/wchar.h" 2 3 4
+# 52 "/usr/include/wchar.h" 3 4
+# 1 "/aux/hubicka/trunk-install/lib/gcc/x86_64-pc-linux-gnu/6.0.0/include/stddef.h" 1 3 4
+# 216 "/aux/hubicka/trunk-install/lib/gcc/x86_64-pc-linux-gnu/6.0.0/include/stddef.h" 3 4
+typedef long unsigned int size_t;
+# 357 "/aux/hubicka/trunk-install/lib/gcc/x86_64-pc-linux-gnu/6.0.0/include/stddef.h" 3 4
+typedef unsigned int wint_t;
+# 53 "/usr/include/wchar.h" 2 3 4
+# 83 "/usr/include/wchar.h" 3 4
+typedef struct
+{
+  int __count;
+  union
+  {
+
+    unsigned int __wch;
+
+
+
+    char __wchb[4];
+  } __value;
+} __mbstate_t;
+# 104 "/usr/include/wchar.h" 3 4
+
+
+typedef __mbstate_t mbstate_t;
+
+
+
+# 129 "/usr/include/wchar.h" 3 4
+extern "C" {
+
+
+
+
+struct tm;
+
+
+
+
+
+
+
+
+
+extern wchar_t *wcscpy (wchar_t *__restrict __dest,
+   __const wchar_t *__restrict __src) throw ();
+
+extern wchar_t *wcsncpy (wchar_t *__restrict __dest,
+    __const wchar_t *__restrict __src, size_t __n)
+     throw ();
+
+
+extern wchar_t *wcscat (wchar_t *__restrict __dest,
+   __const wchar_t *__restrict __src) throw ();
+
+extern wchar_t *wcsncat (wchar_t *__restrict __dest,
+    __const wchar_t *__restrict __src, size_t __n)
+     throw ();
+
+
+extern int wcscmp (__const wchar_t *__s1, __const wchar_t *__s2)
+     throw () __attribute__ ((__pure__));
+
+extern int wcsncmp (__const wchar_t *__s1, __const wchar_t *__s2, size_t __n)
+     throw () __attribute__ ((__pure__));
+
+
+
+
+extern int wcscasecmp (__const wchar_t *__s1, __const wchar_t *__s2) throw ();
+
+
+extern int wcsncasecmp (__const wchar_t *__s1, __const wchar_t *__s2,
+   size_t __n) throw ();
+
+
+
+# 1 "/usr/include/xlocale.h" 1 3 4
+# 28 "/usr/include/xlocale.h" 3 4
+typedef struct __locale_struct
+{
+
+  struct __locale_data *__locales[13];
+
+
+  const unsigned short int *__ctype_b;
+  const int *__ctype_tolower;
+  const int *__ctype_toupper;
+
+
+  const char *__names[13];
+} *__locale_t;
+
+
+typedef __locale_t locale_t;
+# 178 "/usr/include/wchar.h" 2 3 4
+
+extern int wcscasecmp_l (__const wchar_t *__s1, __const wchar_t *__s2,
+    __locale_t __loc) throw ();
+
+extern int wcsncasecmp_l (__const wchar_t *__s1, __const wchar_t *__s2,
+     size_t __n, __locale_t __loc) throw ();
+
+
+
+
+
+extern int wcscoll (__const wchar_t *__s1, __const wchar_t *__s2) throw ();
+
+
+
+extern size_t wcsxfrm (wchar_t *__restrict __s1,
+         __const wchar_t *__restrict __s2, size_t __n) throw ();
+
+
+
+
+
+
+
+
+extern int wcscoll_l (__const wchar_t *__s1, __const wchar_t *__s2,
+        __locale_t __loc) throw ();
+
+
+
+
+extern size_t wcsxfrm_l (wchar_t *__s1, __const wchar_t *__s2,
+    size_t __n, __locale_t __loc) throw ();
+
+
+extern wchar_t *wcsdup (__const wchar_t *__s) throw () __attribute__ ((__malloc__));
+
+
+
+
+
+extern "C++" wchar_t *wcschr (wchar_t *__wcs, wchar_t __wc)
+     throw () __asm ("wcschr") __attribute__ ((__pure__));
+extern "C++" __const wchar_t *wcschr (__const wchar_t *__wcs, wchar_t __wc)
+     throw () __asm ("wcschr") __attribute__ ((__pure__));
+
+
+
+
+
+
+extern "C++" wchar_t *wcsrchr (wchar_t *__wcs, wchar_t __wc)
+     throw () __asm ("wcsrchr") __attribute__ ((__pure__));
+extern "C++" __const wchar_t *wcsrchr (__const wchar_t *__wcs, wchar_t __wc)
+     throw () __asm ("wcsrchr") __attribute__ ((__pure__));
+
+
+
+
+
+
+
+
+
+extern wchar_t *wcschrnul (__const wchar_t *__s, wchar_t __wc)
+     throw () __attribute__ ((__pure__));
+
+
+
+
+
+extern size_t wcscspn (__const wchar_t *__wcs, __const wchar_t *__reject)
+     throw () __attribute__ ((__pure__));
+
+
+extern size_t wcsspn (__const wchar_t *__wcs, __const wchar_t *__accept)
+     throw () __attribute__ ((__pure__));
+
+
+extern "C++" wchar_t *wcspbrk (wchar_t *__wcs, __const wchar_t *__accept)
+     throw () __asm ("wcspbrk") __attribute__ ((__pure__));
+extern "C++" __const wchar_t *wcspbrk (__const wchar_t *__wcs,
+           __const wchar_t *__accept)
+     throw () __asm ("wcspbrk") __attribute__ ((__pure__));
+
+
+
+
+
+
+extern "C++" wchar_t *wcsstr (wchar_t *__haystack, __const wchar_t *__needle)
+     throw () __asm ("wcsstr") __attribute__ ((__pure__));
+extern "C++" __const wchar_t *wcsstr (__const wchar_t *__haystack,
+          __const wchar_t *__needle)
+     throw () __asm ("wcsstr") __attribute__ ((__pure__));
+
+
+
+
+
+
+extern wchar_t *wcstok (wchar_t *__restrict __s,
+   __const wchar_t *__restrict __delim,
+   wchar_t **__restrict __ptr) throw ();
+
+
+extern size_t wcslen (__const wchar_t *__s) throw () __attribute__ ((__pure__));
+
+
+
+
+
+extern "C++" wchar_t *wcswcs (wchar_t *__haystack, __const wchar_t *__needle)
+     throw () __asm ("wcswcs") __attribute__ ((__pure__));
+extern "C++" __const wchar_t *wcswcs (__const wchar_t *__haystack,
+          __const wchar_t *__needle)
+     throw () __asm ("wcswcs") __attribute__ ((__pure__));
+# 303 "/usr/include/wchar.h" 3 4
+extern size_t wcsnlen (__const wchar_t *__s, size_t __maxlen)
+     throw () __attribute__ ((__pure__));
+
+
+
+
+
+
+extern "C++" wchar_t *wmemchr (wchar_t *__s, wchar_t __c, size_t __n)
+     throw () __asm ("wmemchr") __attribute__ ((__pure__));
+extern "C++" __const wchar_t *wmemchr (__const wchar_t *__s, wchar_t __c,
+           size_t __n)
+     throw () __asm ("wmemchr") __attribute__ ((__pure__));
+
+
+
+
+
+
+extern int wmemcmp (__const wchar_t *__restrict __s1,
+      __const wchar_t *__restrict __s2, size_t __n)
+     throw () __attribute__ ((__pure__));
+
+
+extern wchar_t *wmemcpy (wchar_t *__restrict __s1,
+    __const wchar_t *__restrict __s2, size_t __n) throw ();
+
+
+
+extern wchar_t *wmemmove (wchar_t *__s1, __const wchar_t *__s2, size_t __n)
+     throw ();
+
+
+extern wchar_t *wmemset (wchar_t *__s, wchar_t __c, size_t __n) throw ();
+
+
+
+
+
+extern wchar_t *wmempcpy (wchar_t *__restrict __s1,
+     __const wchar_t *__restrict __s2, size_t __n)
+     throw ();
+
+
+
+
+
+
+extern wint_t btowc (int __c) throw ();
+
+
+
+extern int wctob (wint_t __c) throw ();
+
+
+
+extern int mbsinit (__const mbstate_t *__ps) throw () __attribute__ ((__pure__));
+
+
+
+extern size_t mbrtowc (wchar_t *__restrict __pwc,
+         __const char *__restrict __s, size_t __n,
+         mbstate_t *__p) throw ();
+
+
+extern size_t wcrtomb (char *__restrict __s, wchar_t __wc,
+         mbstate_t *__restrict __ps) throw ();
+
+
+extern size_t __mbrlen (__const char *__restrict __s, size_t __n,
+   mbstate_t *__restrict __ps) throw ();
+extern size_t mbrlen (__const char *__restrict __s, size_t __n,
+        mbstate_t *__restrict __ps) throw ();
+
+
+
+
+
+
+
+
+extern wint_t __btowc_alias (int __c) __asm ("btowc");
+extern __inline __attribute__ ((__gnu_inline__)) wint_t
+btowc (int __c) throw ()
+{ return (__builtin_constant_p (__c) && __c >= '\0' && __c <= '\x7f'
+   ? (wint_t) __c : __btowc_alias (__c)); }
+
+extern int __wctob_alias (wint_t __c) __asm ("wctob");
+extern __inline __attribute__ ((__gnu_inline__)) int
+wctob (wint_t __wc) throw ()
+{ return (__builtin_constant_p (__wc) && __wc >= L'\0' && __wc <= L'\x7f'
+   ? (int) __wc : __wctob_alias (__wc)); }
+
+extern __inline __attribute__ ((__gnu_inline__)) size_t
+mbrlen (__const char *__restrict __s, size_t __n, mbstate_t *__restrict __ps) throw ()
+
+{ return (__ps != __null
+   ? mbrtowc (__null, __s, __n, __ps) : __mbrlen (__s, __n, __null)); }
+
+
+
+
+
+extern size_t mbsrtowcs (wchar_t *__restrict __dst,
+    __const char **__restrict __src, size_t __len,
+    mbstate_t *__restrict __ps) throw ();
+
+
+
+extern size_t wcsrtombs (char *__restrict __dst,
+    __const wchar_t **__restrict __src, size_t __len,
+    mbstate_t *__restrict __ps) throw ();
+
+
+
+
+
+
+extern size_t mbsnrtowcs (wchar_t *__restrict __dst,
+     __const char **__restrict __src, size_t __nmc,
+     size_t __len, mbstate_t *__restrict __ps) throw ();
+
+
+
+extern size_t wcsnrtombs (char *__restrict __dst,
+     __const wchar_t **__restrict __src,
+     size_t __nwc, size_t __len,
+     mbstate_t *__restrict __ps) throw ();
+
+
+
+
+
+
+extern int wcwidth (wchar_t __c) throw ();
+
+
+
+extern int wcswidth (__const wchar_t *__s, size_t __n) throw ();
+
+
+
+
+
+
+extern double wcstod (__const wchar_t *__restrict __nptr,
+        wchar_t **__restrict __endptr) throw ();
+
+
+
+
+
+extern float wcstof (__const wchar_t *__restrict __nptr,
+       wchar_t **__restrict __endptr) throw ();
+extern long double wcstold (__const wchar_t *__restrict __nptr,
+       wchar_t **__restrict __endptr) throw ();
+
+
+
+
+
+
+
+extern long int wcstol (__const wchar_t *__restrict __nptr,
+   wchar_t **__restrict __endptr, int __base) throw ();
+
+
+
+extern unsigned long int wcstoul (__const wchar_t *__restrict __nptr,
+      wchar_t **__restrict __endptr, int __base)
+     throw ();
+
+
+
+
+
+
+__extension__
+extern long long int wcstoll (__const wchar_t *__restrict __nptr,
+         wchar_t **__restrict __endptr, int __base)
+     throw ();
+
+
+
+__extension__
+extern unsigned long long int wcstoull (__const wchar_t *__restrict __nptr,
+     wchar_t **__restrict __endptr,
+     int __base) throw ();
+
+
+
+
+
+
+__extension__
+extern long long int wcstoq (__const wchar_t *__restrict __nptr,
+        wchar_t **__restrict __endptr, int __base)
+     throw ();
+
+
+
+__extension__
+extern unsigned long long int wcstouq (__const wchar_t *__restrict __nptr,
+           wchar_t **__restrict __endptr,
+           int __base) throw ();
+# 528 "/usr/include/wchar.h" 3 4
+extern long int wcstol_l (__const wchar_t *__restrict __nptr,
+     wchar_t **__restrict __endptr, int __base,
+     __locale_t __loc) throw ();
+
+extern unsigned long int wcstoul_l (__const wchar_t *__restrict __nptr,
+        wchar_t **__restrict __endptr,
+        int __base, __locale_t __loc) throw ();
+
+__extension__
+extern long long int wcstoll_l (__const wchar_t *__restrict __nptr,
+    wchar_t **__restrict __endptr,
+    int __base, __locale_t __loc) throw ();
+
+__extension__
+extern unsigned long long int wcstoull_l (__const wchar_t *__restrict __nptr,
+       wchar_t **__restrict __endptr,
+       int __base, __locale_t __loc)
+     throw ();
+
+extern double wcstod_l (__const wchar_t *__restrict __nptr,
+   wchar_t **__restrict __endptr, __locale_t __loc)
+     throw ();
+
+extern float wcstof_l (__const wchar_t *__restrict __nptr,
+         wchar_t **__restrict __endptr, __locale_t __loc)
+     throw ();
+
+extern long double wcstold_l (__const wchar_t *__restrict __nptr,
+         wchar_t **__restrict __endptr,
+         __locale_t __loc) throw ();
+
+
+
+
+extern wchar_t *wcpcpy (wchar_t *__restrict __dest,
+   __const wchar_t *__restrict __src) throw ();
+
+
+
+extern wchar_t *wcpncpy (wchar_t *__restrict __dest,
+    __const wchar_t *__restrict __src, size_t __n)
+     throw ();
+# 578 "/usr/include/wchar.h" 3 4
+extern __FILE *open_wmemstream (wchar_t **__bufloc, size_t *__sizeloc) throw ();
+
+
+
+
+
+
+extern int fwide (__FILE *__fp, int __mode) throw ();
+
+
+
+
+
+
+extern int fwprintf (__FILE *__restrict __stream,
+       __const wchar_t *__restrict __format, ...)
+                                                           ;
+
+
+
+
+extern int wprintf (__const wchar_t *__restrict __format, ...)
+                                                           ;
+
+extern int swprintf (wchar_t *__restrict __s, size_t __n,
+       __const wchar_t *__restrict __format, ...)
+     throw () ;
+
+
+
+
+
+extern int vfwprintf (__FILE *__restrict __s,
+        __const wchar_t *__restrict __format,
+        __gnuc_va_list __arg)
+                                                           ;
+
+
+
+
+extern int vwprintf (__const wchar_t *__restrict __format,
+       __gnuc_va_list __arg)
+                                                           ;
+
+
+extern int vswprintf (wchar_t *__restrict __s, size_t __n,
+        __const wchar_t *__restrict __format,
+        __gnuc_va_list __arg)
+     throw () ;
+
+
+
+
+
+
+extern int fwscanf (__FILE *__restrict __stream,
+      __const wchar_t *__restrict __format, ...)
+                                                          ;
+
+
+
+
+extern int wscanf (__const wchar_t *__restrict __format, ...)
+                                                          ;
+
+extern int swscanf (__const wchar_t *__restrict __s,
+      __const wchar_t *__restrict __format, ...)
+     throw () ;
+# 678 "/usr/include/wchar.h" 3 4
+
+
+
+
+
+
+
+
+
+extern int vfwscanf (__FILE *__restrict __s,
+       __const wchar_t *__restrict __format,
+       __gnuc_va_list __arg)
+                                                          ;
+
+
+
+
+extern int vwscanf (__const wchar_t *__restrict __format,
+      __gnuc_va_list __arg)
+                                                          ;
+
+extern int vswscanf (__const wchar_t *__restrict __s,
+       __const wchar_t *__restrict __format,
+       __gnuc_va_list __arg)
+     throw () ;
+# 734 "/usr/include/wchar.h" 3 4
+
+
+
+
+
+
+
+
+
+extern wint_t fgetwc (__FILE *__stream);
+extern wint_t getwc (__FILE *__stream);
+
+
+
+
+
+extern wint_t getwchar (void);
+
+
+
+
+
+
+extern wint_t fputwc (wchar_t __wc, __FILE *__stream);
+extern wint_t putwc (wchar_t __wc, __FILE *__stream);
+
+
+
+
+
+extern wint_t putwchar (wchar_t __wc);
+
+
+
+
+
+
+
+extern wchar_t *fgetws (wchar_t *__restrict __ws, int __n,
+   __FILE *__restrict __stream);
+
+
+
+
+
+extern int fputws (__const wchar_t *__restrict __ws,
+     __FILE *__restrict __stream);
+
+
+
+
+
+
+extern wint_t ungetwc (wint_t __wc, __FILE *__stream);
+
+# 799 "/usr/include/wchar.h" 3 4
+extern wint_t getwc_unlocked (__FILE *__stream);
+extern wint_t getwchar_unlocked (void);
+
+
+
+
+
+
+
+extern wint_t fgetwc_unlocked (__FILE *__stream);
+
+
+
+
+
+
+
+extern wint_t fputwc_unlocked (wchar_t __wc, __FILE *__stream);
+# 825 "/usr/include/wchar.h" 3 4
+extern wint_t putwc_unlocked (wchar_t __wc, __FILE *__stream);
+extern wint_t putwchar_unlocked (wchar_t __wc);
+# 835 "/usr/include/wchar.h" 3 4
+extern wchar_t *fgetws_unlocked (wchar_t *__restrict __ws, int __n,
+     __FILE *__restrict __stream);
+
+
+
+
+
+
+
+extern int fputws_unlocked (__const wchar_t *__restrict __ws,
+       __FILE *__restrict __stream);
+
+
+
+
+
+
+
+extern size_t wcsftime (wchar_t *__restrict __s, size_t __maxsize,
+   __const wchar_t *__restrict __format,
+   __const struct tm *__restrict __tp) throw ();
+
+
+
+
+
+
+
+extern size_t wcsftime_l (wchar_t *__restrict __s, size_t __maxsize,
+     __const wchar_t *__restrict __format,
+     __const struct tm *__restrict __tp,
+     __locale_t __loc) throw ();
+# 889 "/usr/include/wchar.h" 3 4
+}
+# 45 "/aux/hubicka/trunk-install/include/c++/6.0.0/cwchar" 2 3
+# 62 "/aux/hubicka/trunk-install/include/c++/6.0.0/cwchar" 3
+namespace std
+{
+  using ::mbstate_t;
+}
+# 135 "/aux/hubicka/trunk-install/include/c++/6.0.0/cwchar" 3
+namespace std __attribute__ ((__visibility__ ("default")))
+{
+
+
+  using ::wint_t;
+
+  using ::btowc;
+  using ::fgetwc;
+  using ::fgetws;
+  using ::fputwc;
+  using ::fputws;
+  using ::fwide;
+  using ::fwprintf;
+  using ::fwscanf;
+  using ::getwc;
+  using ::getwchar;
+  using ::mbrlen;
+  using ::mbrtowc;
+  using ::mbsinit;
+  using ::mbsrtowcs;
+  using ::putwc;
+  using ::putwchar;
+
+  using ::swprintf;
+
+  using ::swscanf;
+  using ::ungetwc;
+  using ::vfwprintf;
+
+  using ::vfwscanf;
+
+
+  using ::vswprintf;
+
+
+  using ::vswscanf;
+
+  using ::vwprintf;
+
+  using ::vwscanf;
+
+  using ::wcrtomb;
+  using ::wcscat;
+  using ::wcscmp;
+  using ::wcscoll;
+  using ::wcscpy;
+  using ::wcscspn;
+  using ::wcsftime;
+  using ::wcslen;
+  using ::wcsncat;
+  using ::wcsncmp;
+  using ::wcsncpy;
+  using ::wcsrtombs;
+  using ::wcsspn;
+  using ::wcstod;
+
+  using ::wcstof;
+
+  using ::wcstok;
+  using ::wcstol;
+  using ::wcstoul;
+  using ::wcsxfrm;
+  using ::wctob;
+  using ::wmemcmp;
+  using ::wmemcpy;
+  using ::wmemmove;
+  using ::wmemset;
+  using ::wprintf;
+  using ::wscanf;
+  using ::wcschr;
+  using ::wcspbrk;
+  using ::wcsrchr;
+  using ::wcsstr;
+  using ::wmemchr;
+# 232 "/aux/hubicka/trunk-install/include/c++/6.0.0/cwchar" 3
+
+}
+
+
+
+
+
+
+
+namespace __gnu_cxx
+{
+
+
+
+
+
+  using ::wcstold;
+# 257 "/aux/hubicka/trunk-install/include/c++/6.0.0/cwchar" 3
+  using ::wcstoll;
+  using ::wcstoull;
+
+}
+
+namespace std
+{
+  using ::__gnu_cxx::wcstold;
+  using ::__gnu_cxx::wcstoll;
+  using ::__gnu_cxx::wcstoull;
+}
+# 277 "/aux/hubicka/trunk-install/include/c++/6.0.0/cwchar" 3
+namespace std
+{
+
+  using std::wcstof;
+
+
+  using std::vfwscanf;
+
+
+  using std::vswscanf;
+
+
+  using std::vwscanf;
+
+
+
+  using std::wcstold;
+  using std::wcstoll;
+  using std::wcstoull;
+
+}
+# 41 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/postypes.h" 2 3
+# 68 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/postypes.h" 3
+namespace std __attribute__ ((__visibility__ ("default")))
+{
+
+# 88 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/postypes.h" 3
+  typedef long streamoff;
+# 98 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/postypes.h" 3
+  typedef ptrdiff_t streamsize;
+# 111 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/postypes.h" 3
+  template<typename _StateT>
+    class fpos
+    {
+    private:
+      streamoff _M_off;
+      _StateT _M_state;
+
+    public:
+
+
+
+
+      fpos()
+      : _M_off(0), _M_state() { }
+# 133 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/postypes.h" 3
+      fpos(streamoff __off)
+      : _M_off(__off), _M_state() { }
+
+
+      operator streamoff() const { return _M_off; }
+
+
+      void
+      state(_StateT __st)
+      { _M_state = __st; }
+
+
+      _StateT
+      state() const
+      { return _M_state; }
+
+
+
+
+
+      fpos&
+      operator+=(streamoff __off)
+      {
+ _M_off += __off;
+ return *this;
+      }
+
+
+
+
+
+      fpos&
+      operator-=(streamoff __off)
+      {
+ _M_off -= __off;
+ return *this;
+      }
+
+
+
+
+
+
+
+      fpos
+      operator+(streamoff __off) const
+      {
+ fpos __pos(*this);
+ __pos += __off;
+ return __pos;
+      }
+
+
+
+
+
+
+
+      fpos
+      operator-(streamoff __off) const
+      {
+ fpos __pos(*this);
+ __pos -= __off;
+ return __pos;
+      }
+
+
+
+
+
+
+      streamoff
+      operator-(const fpos& __other) const
+      { return _M_off - __other._M_off; }
+    };
+
+
+
+
+
+
+  template<typename _StateT>
+    inline bool
+    operator==(const fpos<_StateT>& __lhs, const fpos<_StateT>& __rhs)
+    { return streamoff(__lhs) == streamoff(__rhs); }
+
+  template<typename _StateT>
+    inline bool
+    operator!=(const fpos<_StateT>& __lhs, const fpos<_StateT>& __rhs)
+    { return streamoff(__lhs) != streamoff(__rhs); }
+
+
+
+
+
+  typedef fpos<mbstate_t> streampos;
+
+  typedef fpos<mbstate_t> wstreampos;
+
+
+
+  typedef fpos<mbstate_t> u16streampos;
+
+  typedef fpos<mbstate_t> u32streampos;
+
+
+
+}
+# 41 "/aux/hubicka/trunk-install/include/c++/6.0.0/iosfwd" 2 3
+
+namespace std __attribute__ ((__visibility__ ("default")))
+{
+
+# 74 "/aux/hubicka/trunk-install/include/c++/6.0.0/iosfwd" 3
+  class ios_base;
+
+  template<typename _CharT, typename _Traits = char_traits<_CharT> >
+    class basic_ios;
+
+  template<typename _CharT, typename _Traits = char_traits<_CharT> >
+    class basic_streambuf;
+
+  template<typename _CharT, typename _Traits = char_traits<_CharT> >
+    class basic_istream;
+
+  template<typename _CharT, typename _Traits = char_traits<_CharT> >
+    class basic_ostream;
+
+  template<typename _CharT, typename _Traits = char_traits<_CharT> >
+    class basic_iostream;
+
+
+namespace __cxx11 {
+
+  template<typename _CharT, typename _Traits = char_traits<_CharT>,
+     typename _Alloc = allocator<_CharT> >
+    class basic_stringbuf;
+
+  template<typename _CharT, typename _Traits = char_traits<_CharT>,
+    typename _Alloc = allocator<_CharT> >
+    class basic_istringstream;
+
+  template<typename _CharT, typename _Traits = char_traits<_CharT>,
+    typename _Alloc = allocator<_CharT> >
+    class basic_ostringstream;
+
+  template<typename _CharT, typename _Traits = char_traits<_CharT>,
+    typename _Alloc = allocator<_CharT> >
+    class basic_stringstream;
+
+}
+
+  template<typename _CharT, typename _Traits = char_traits<_CharT> >
+    class basic_filebuf;
+
+  template<typename _CharT, typename _Traits = char_traits<_CharT> >
+    class basic_ifstream;
+
+  template<typename _CharT, typename _Traits = char_traits<_CharT> >
+    class basic_ofstream;
+
+  template<typename _CharT, typename _Traits = char_traits<_CharT> >
+    class basic_fstream;
+
+  template<typename _CharT, typename _Traits = char_traits<_CharT> >
+    class istreambuf_iterator;
+
+  template<typename _CharT, typename _Traits = char_traits<_CharT> >
+    class ostreambuf_iterator;
+
+
+
+  typedef basic_ios<char> ios;
+
+
+  typedef basic_streambuf<char> streambuf;
+
+
+  typedef basic_istream<char> istream;
+
+
+  typedef basic_ostream<char> ostream;
+
+
+  typedef basic_iostream<char> iostream;
+
+
+  typedef basic_stringbuf<char> stringbuf;
+
+
+  typedef basic_istringstream<char> istringstream;
+
+
+  typedef basic_ostringstream<char> ostringstream;
+
+
+  typedef basic_stringstream<char> stringstream;
+
+
+  typedef basic_filebuf<char> filebuf;
+
+
+  typedef basic_ifstream<char> ifstream;
+
+
+  typedef basic_ofstream<char> ofstream;
+
+
+  typedef basic_fstream<char> fstream;
+
+
+
+  typedef basic_ios<wchar_t> wios;
+
+
+  typedef basic_streambuf<wchar_t> wstreambuf;
+
+
+  typedef basic_istream<wchar_t> wistream;
+
+
+  typedef basic_ostream<wchar_t> wostream;
+
+
+  typedef basic_iostream<wchar_t> wiostream;
+
+
+  typedef basic_stringbuf<wchar_t> wstringbuf;
+
+
+  typedef basic_istringstream<wchar_t> wistringstream;
+
+
+  typedef basic_ostringstream<wchar_t> wostringstream;
+
+
+  typedef basic_stringstream<wchar_t> wstringstream;
+
+
+  typedef basic_filebuf<wchar_t> wfilebuf;
+
+
+  typedef basic_ifstream<wchar_t> wifstream;
+
+
+  typedef basic_ofstream<wchar_t> wofstream;
+
+
+  typedef basic_fstream<wchar_t> wfstream;
+
+
+
+
+}
+# 39 "/aux/hubicka/trunk-install/include/c++/6.0.0/ios" 2 3
+# 1 "/aux/hubicka/trunk-install/include/c++/6.0.0/exception" 1 3
+# 33 "/aux/hubicka/trunk-install/include/c++/6.0.0/exception" 3
+       
+# 34 "/aux/hubicka/trunk-install/include/c++/6.0.0/exception" 3
+
+#pragma GCC visibility push(default)
+
+
+# 1 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/atomic_lockfree_defines.h" 1 3
+# 33 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/atomic_lockfree_defines.h" 3
+       
+# 34 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/atomic_lockfree_defines.h" 3
+# 39 "/aux/hubicka/trunk-install/include/c++/6.0.0/exception" 2 3
+
+extern "C++" {
+
+namespace std
+{
+# 60 "/aux/hubicka/trunk-install/include/c++/6.0.0/exception" 3
+  class exception
+  {
+  public:
+    exception() noexcept { }
+    virtual ~exception() noexcept;
+
+
+
+    virtual const char* what() const noexcept;
+  };
+
+
+
+  class bad_exception : public exception
+  {
+  public:
+    bad_exception() noexcept { }
+
+
+
+    virtual ~bad_exception() noexcept;
+
+
+    virtual const char* what() const noexcept;
+  };
+
+
+  typedef void (*terminate_handler) ();
+
+
+  typedef void (*unexpected_handler) ();
+
+
+  terminate_handler set_terminate(terminate_handler) noexcept;
+
+
+
+  terminate_handler get_terminate() noexcept;
+
+
+
+
+  void terminate() noexcept __attribute__ ((__noreturn__));
+
+
+  unexpected_handler set_unexpected(unexpected_handler) noexcept;
+
+
+
+  unexpected_handler get_unexpected() noexcept;
+
+
+
+
+  void unexpected() __attribute__ ((__noreturn__));
+# 127 "/aux/hubicka/trunk-install/include/c++/6.0.0/exception" 3
+  bool uncaught_exception() noexcept __attribute__ ((__pure__));
+
+
+
+
+  int uncaught_exceptions() noexcept __attribute__ ((__pure__));
+
+
+
+}
+
+namespace __gnu_cxx
+{
+
+# 158 "/aux/hubicka/trunk-install/include/c++/6.0.0/exception" 3
+  void __verbose_terminate_handler();
+
+
+}
+
+}
+
+#pragma GCC visibility pop
+
+
+# 1 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/exception_ptr.h" 1 3
+# 34 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/exception_ptr.h" 3
+#pragma GCC visibility push(default)
+
+
+# 1 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/exception_defines.h" 1 3
+# 38 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/exception_ptr.h" 2 3
+
+
+
+
+
+extern "C++" {
+
+namespace std
+{
+  class type_info;
+
+
+
+
+
+  namespace __exception_ptr
+  {
+    class exception_ptr;
+  }
+
+  using __exception_ptr::exception_ptr;
+
+
+
+
+
+  exception_ptr current_exception() noexcept;
+
+
+  void rethrow_exception(exception_ptr) __attribute__ ((__noreturn__));
+
+  namespace __exception_ptr
+  {
+
+
+
+
+    class exception_ptr
+    {
+      void* _M_exception_object;
+
+      explicit exception_ptr(void* __e) noexcept;
+
+      void _M_addref() noexcept;
+      void _M_release() noexcept;
+
+      void *_M_get() const noexcept __attribute__ ((__pure__));
+
+      friend exception_ptr std::current_exception() noexcept;
+      friend void std::rethrow_exception(exception_ptr);
+
+    public:
+      exception_ptr() noexcept;
+
+      exception_ptr(const exception_ptr&) noexcept;
+
+
+      exception_ptr(nullptr_t) noexcept
+      : _M_exception_object(0)
+      { }
+
+      exception_ptr(exception_ptr&& __o) noexcept
+      : _M_exception_object(__o._M_exception_object)
+      { __o._M_exception_object = 0; }
+# 111 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/exception_ptr.h" 3
+      exception_ptr&
+      operator=(const exception_ptr&) noexcept;
+
+
+      exception_ptr&
+      operator=(exception_ptr&& __o) noexcept
+      {
+        exception_ptr(static_cast<exception_ptr&&>(__o)).swap(*this);
+        return *this;
+      }
+
+
+      ~exception_ptr() noexcept;
+
+      void
+      swap(exception_ptr&) noexcept;
+# 138 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/exception_ptr.h" 3
+      explicit operator bool() const
+      { return _M_exception_object; }
+
+
+      friend bool
+      operator==(const exception_ptr&, const exception_ptr&)
+ noexcept __attribute__ ((__pure__));
+
+      const class std::type_info*
+      __cxa_exception_type() const noexcept
+ __attribute__ ((__pure__));
+    };
+
+    bool
+    operator==(const exception_ptr&, const exception_ptr&)
+      noexcept __attribute__ ((__pure__));
+
+    bool
+    operator!=(const exception_ptr&, const exception_ptr&)
+      noexcept __attribute__ ((__pure__));
+
+    inline void
+    swap(exception_ptr& __lhs, exception_ptr& __rhs)
+    { __lhs.swap(__rhs); }
+
+  }
+
+
+
+  template<typename _Ex>
+    exception_ptr
+    make_exception_ptr(_Ex __ex) noexcept
+    {
+
+      try
+ {
+   throw __ex;
+ }
+      catch(...)
+ {
+   return current_exception();
+ }
+
+
+
+    }
+
+
+
+
+
+  template<typename _Ex>
+    exception_ptr
+    copy_exception(_Ex __ex) noexcept __attribute__ ((__deprecated__));
+
+  template<typename _Ex>
+    exception_ptr
+    copy_exception(_Ex __ex) noexcept
+    { return std::make_exception_ptr<_Ex>(__ex); }
+
+
+}
+
+}
+
+#pragma GCC visibility pop
+# 169 "/aux/hubicka/trunk-install/include/c++/6.0.0/exception" 2 3
+# 1 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/nested_exception.h" 1 3
+# 33 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/nested_exception.h" 3
+#pragma GCC visibility push(default)
+# 45 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/nested_exception.h" 3
+extern "C++" {
+
+namespace std
+{
+
+
+
+
+
+
+  class nested_exception
+  {
+    exception_ptr _M_ptr;
+
+  public:
+    nested_exception() noexcept : _M_ptr(current_exception()) { }
+
+    nested_exception(const nested_exception&) noexcept = default;
+
+    nested_exception& operator=(const nested_exception&) noexcept = default;
+
+    virtual ~nested_exception() noexcept;
+
+    [[noreturn]]
+    void
+    rethrow_nested() const
+    {
+      if (_M_ptr)
+ rethrow_exception(_M_ptr);
+      std::terminate();
+    }
+
+    exception_ptr
+    nested_ptr() const noexcept
+    { return _M_ptr; }
+  };
+
+  template<typename _Except>
+    struct _Nested_exception : public _Except, public nested_exception
+    {
+      explicit _Nested_exception(const _Except& __ex)
+      : _Except(__ex)
+      { }
+
+      explicit _Nested_exception(_Except&& __ex)
+      : _Except(static_cast<_Except&&>(__ex))
+      { }
+    };
+
+  template<typename _Tp,
+    bool __with_nested = !__is_base_of(nested_exception, _Tp)>
+    struct _Throw_with_nested_impl
+    {
+      template<typename _Up>
+ static void _S_throw(_Up&& __t)
+ { throw _Nested_exception<_Tp>{static_cast<_Up&&>(__t)}; }
+    };
+
+  template<typename _Tp>
+    struct _Throw_with_nested_impl<_Tp, false>
+    {
+      template<typename _Up>
+ static void _S_throw(_Up&& __t)
+ { throw static_cast<_Up&&>(__t); }
+    };
+
+  template<typename _Tp, bool = __is_class(_Tp) && !__is_final(_Tp)>
+    struct _Throw_with_nested_helper : _Throw_with_nested_impl<_Tp>
+    { };
+
+  template<typename _Tp>
+    struct _Throw_with_nested_helper<_Tp, false>
+    : _Throw_with_nested_impl<_Tp, false>
+    { };
+
+  template<typename _Tp>
+    struct _Throw_with_nested_helper<_Tp&, false>
+    : _Throw_with_nested_helper<_Tp>
+    { };
+
+  template<typename _Tp>
+    struct _Throw_with_nested_helper<_Tp&&, false>
+    : _Throw_with_nested_helper<_Tp>
+    { };
+
+
+
+  template<typename _Tp>
+    [[noreturn]]
+    inline void
+    throw_with_nested(_Tp&& __t)
+    {
+      _Throw_with_nested_helper<_Tp>::_S_throw(static_cast<_Tp&&>(__t));
+    }
+
+  template<typename _Tp, bool = __is_polymorphic(_Tp)>
+    struct _Rethrow_if_nested_impl
+    {
+      static void _S_rethrow(const _Tp& __t)
+      {
+ if (auto __tp = dynamic_cast<const nested_exception*>(&__t))
+   __tp->rethrow_nested();
+      }
+    };
+
+  template<typename _Tp>
+    struct _Rethrow_if_nested_impl<_Tp, false>
+    {
+      static void _S_rethrow(const _Tp&) { }
+    };
+
+
+  template<typename _Ex>
+    inline void
+    rethrow_if_nested(const _Ex& __ex)
+    {
+      _Rethrow_if_nested_impl<_Ex>::_S_rethrow(__ex);
+    }
+
+
+}
+
+}
+
+
+
+#pragma GCC visibility pop
+# 170 "/aux/hubicka/trunk-install/include/c++/6.0.0/exception" 2 3
+# 40 "/aux/hubicka/trunk-install/include/c++/6.0.0/ios" 2 3
+# 1 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/char_traits.h" 1 3
+# 37 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/char_traits.h" 3
+       
+# 38 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/char_traits.h" 3
+
+# 1 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/stl_algobase.h" 1 3
+# 60 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/stl_algobase.h" 3
+# 1 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/functexcept.h" 1 3
+# 42 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/functexcept.h" 3
+namespace std __attribute__ ((__visibility__ ("default")))
+{
+
+
+
+  void
+  __throw_bad_exception(void) __attribute__((__noreturn__));
+
+
+  void
+  __throw_bad_alloc(void) __attribute__((__noreturn__));
+
+
+  void
+  __throw_bad_cast(void) __attribute__((__noreturn__));
+
+  void
+  __throw_bad_typeid(void) __attribute__((__noreturn__));
+
+
+  void
+  __throw_logic_error(const char*) __attribute__((__noreturn__));
+
+  void
+  __throw_domain_error(const char*) __attribute__((__noreturn__));
+
+  void
+  __throw_invalid_argument(const char*) __attribute__((__noreturn__));
+
+  void
+  __throw_length_error(const char*) __attribute__((__noreturn__));
+
+  void
+  __throw_out_of_range(const char*) __attribute__((__noreturn__));
+
+  void
+  __throw_out_of_range_fmt(const char*, ...) __attribute__((__noreturn__))
+    __attribute__((__format__(__gnu_printf__, 1, 2)));
+
+  void
+  __throw_runtime_error(const char*) __attribute__((__noreturn__));
+
+  void
+  __throw_range_error(const char*) __attribute__((__noreturn__));
+
+  void
+  __throw_overflow_error(const char*) __attribute__((__noreturn__));
+
+  void
+  __throw_underflow_error(const char*) __attribute__((__noreturn__));
+
+
+  void
+  __throw_ios_failure(const char*) __attribute__((__noreturn__));
+
+  void
+  __throw_system_error(int) __attribute__((__noreturn__));
+
+  void
+  __throw_future_error(int) __attribute__((__noreturn__));
+
+
+  void
+  __throw_bad_function_call() __attribute__((__noreturn__));
+
+
+}
+# 61 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/stl_algobase.h" 2 3
+# 1 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/cpp_type_traits.h" 1 3
+# 35 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/cpp_type_traits.h" 3
+       
+# 36 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/cpp_type_traits.h" 3
+# 67 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/cpp_type_traits.h" 3
+namespace std __attribute__ ((__visibility__ ("default")))
+{
+
+
+  struct __true_type { };
+  struct __false_type { };
+
+  template<bool>
+    struct __truth_type
+    { typedef __false_type __type; };
+
+  template<>
+    struct __truth_type<true>
+    { typedef __true_type __type; };
+
+
+
+  template<class _Sp, class _Tp>
+    struct __traitor
+    {
+      enum { __value = bool(_Sp::__value) || bool(_Tp::__value) };
+      typedef typename __truth_type<__value>::__type __type;
+    };
+
+
+  template<typename, typename>
+    struct __are_same
+    {
+      enum { __value = 0 };
+      typedef __false_type __type;
+    };
+
+  template<typename _Tp>
+    struct __are_same<_Tp, _Tp>
+    {
+      enum { __value = 1 };
+      typedef __true_type __type;
+    };
+
+
+  template<typename _Tp>
+    struct __is_void
+    {
+      enum { __value = 0 };
+      typedef __false_type __type;
+    };
+
+  template<>
+    struct __is_void<void>
+    {
+      enum { __value = 1 };
+      typedef __true_type __type;
+    };
+
+
+
+
+  template<typename _Tp>
+    struct __is_integer
+    {
+      enum { __value = 0 };
+      typedef __false_type __type;
+    };
+
+
+
+
+
+  template<>
+    struct __is_integer<bool>
+    {
+      enum { __value = 1 };
+      typedef __true_type __type;
+    };
+
+  template<>
+    struct __is_integer<char>
+    {
+      enum { __value = 1 };
+      typedef __true_type __type;
+    };
+
+  template<>
+    struct __is_integer<signed char>
+    {
+      enum { __value = 1 };
+      typedef __true_type __type;
+    };
+
+  template<>
+    struct __is_integer<unsigned char>
+    {
+      enum { __value = 1 };
+      typedef __true_type __type;
+    };
+
+
+  template<>
+    struct __is_integer<wchar_t>
+    {
+      enum { __value = 1 };
+      typedef __true_type __type;
+    };
+
+
+
+  template<>
+    struct __is_integer<char16_t>
+    {
+      enum { __value = 1 };
+      typedef __true_type __type;
+    };
+
+  template<>
+    struct __is_integer<char32_t>
+    {
+      enum { __value = 1 };
+      typedef __true_type __type;
+    };
+
+
+  template<>
+    struct __is_integer<short>
+    {
+      enum { __value = 1 };
+      typedef __true_type __type;
+    };
+
+  template<>
+    struct __is_integer<unsigned short>
+    {
+      enum { __value = 1 };
+      typedef __true_type __type;
+    };
+
+  template<>
+    struct __is_integer<int>
+    {
+      enum { __value = 1 };
+      typedef __true_type __type;
+    };
+
+  template<>
+    struct __is_integer<unsigned int>
+    {
+      enum { __value = 1 };
+      typedef __true_type __type;
+    };
+
+  template<>
+    struct __is_integer<long>
+    {
+      enum { __value = 1 };
+      typedef __true_type __type;
+    };
+
+  template<>
+    struct __is_integer<unsigned long>
+    {
+      enum { __value = 1 };
+      typedef __true_type __type;
+    };
+
+  template<>
+    struct __is_integer<long long>
+    {
+      enum { __value = 1 };
+      typedef __true_type __type;
+    };
+
+  template<>
+    struct __is_integer<unsigned long long>
+    {
+      enum { __value = 1 };
+      typedef __true_type __type;
+    };
+# 259 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/cpp_type_traits.h" 3
+template<> struct __is_integer<__int128> { enum { __value = 1 }; typedef __true_type __type; }; template<> struct __is_integer<unsigned __int128> { enum { __value = 1 }; typedef __true_type __type; };
+# 276 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/cpp_type_traits.h" 3
+  template<typename _Tp>
+    struct __is_floating
+    {
+      enum { __value = 0 };
+      typedef __false_type __type;
+    };
+
+
+  template<>
+    struct __is_floating<float>
+    {
+      enum { __value = 1 };
+      typedef __true_type __type;
+    };
+
+  template<>
+    struct __is_floating<double>
+    {
+      enum { __value = 1 };
+      typedef __true_type __type;
+    };
+
+  template<>
+    struct __is_floating<long double>
+    {
+      enum { __value = 1 };
+      typedef __true_type __type;
+    };
+
+
+
+
+  template<typename _Tp>
+    struct __is_pointer
+    {
+      enum { __value = 0 };
+      typedef __false_type __type;
+    };
+
+  template<typename _Tp>
+    struct __is_pointer<_Tp*>
+    {
+      enum { __value = 1 };
+      typedef __true_type __type;
+    };
+
+
+
+
+  template<typename _Tp>
+    struct __is_arithmetic
+    : public __traitor<__is_integer<_Tp>, __is_floating<_Tp> >
+    { };
+
+
+
+
+  template<typename _Tp>
+    struct __is_scalar
+    : public __traitor<__is_arithmetic<_Tp>, __is_pointer<_Tp> >
+    { };
+
+
+
+
+  template<typename _Tp>
+    struct __is_char
+    {
+      enum { __value = 0 };
+      typedef __false_type __type;
+    };
+
+  template<>
+    struct __is_char<char>
+    {
+      enum { __value = 1 };
+      typedef __true_type __type;
+    };
+
+
+  template<>
+    struct __is_char<wchar_t>
+    {
+      enum { __value = 1 };
+      typedef __true_type __type;
+    };
+
+
+  template<typename _Tp>
+    struct __is_byte
+    {
+      enum { __value = 0 };
+      typedef __false_type __type;
+    };
+
+  template<>
+    struct __is_byte<char>
+    {
+      enum { __value = 1 };
+      typedef __true_type __type;
+    };
+
+  template<>
+    struct __is_byte<signed char>
+    {
+      enum { __value = 1 };
+      typedef __true_type __type;
+    };
+
+  template<>
+    struct __is_byte<unsigned char>
+    {
+      enum { __value = 1 };
+      typedef __true_type __type;
+    };
+
+
+
+
+  template<typename _Tp>
+    struct __is_move_iterator
+    {
+      enum { __value = 0 };
+      typedef __false_type __type;
+    };
+
+
+
+  template<typename _Iterator>
+    inline _Iterator
+    __miter_base(_Iterator __it)
+    { return __it; }
+
+
+}
+# 62 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/stl_algobase.h" 2 3
+# 1 "/aux/hubicka/trunk-install/include/c++/6.0.0/ext/type_traits.h" 1 3
+# 32 "/aux/hubicka/trunk-install/include/c++/6.0.0/ext/type_traits.h" 3
+       
+# 33 "/aux/hubicka/trunk-install/include/c++/6.0.0/ext/type_traits.h" 3
+
+
+
+
+namespace __gnu_cxx __attribute__ ((__visibility__ ("default")))
+{
+
+
+
+  template<bool, typename>
+    struct __enable_if
+    { };
+
+  template<typename _Tp>
+    struct __enable_if<true, _Tp>
+    { typedef _Tp __type; };
+
+
+
+  template<bool _Cond, typename _Iftrue, typename _Iffalse>
+    struct __conditional_type
+    { typedef _Iftrue __type; };
+
+  template<typename _Iftrue, typename _Iffalse>
+    struct __conditional_type<false, _Iftrue, _Iffalse>
+    { typedef _Iffalse __type; };
+
+
+
+  template<typename _Tp>
+    struct __add_unsigned
+    {
+    private:
+      typedef __enable_if<std::__is_integer<_Tp>::__value, _Tp> __if_type;
+
+    public:
+      typedef typename __if_type::__type __type;
+    };
+
+  template<>
+    struct __add_unsigned<char>
+    { typedef unsigned char __type; };
+
+  template<>
+    struct __add_unsigned<signed char>
+    { typedef unsigned char __type; };
+
+  template<>
+    struct __add_unsigned<short>
+    { typedef unsigned short __type; };
+
+  template<>
+    struct __add_unsigned<int>
+    { typedef unsigned int __type; };
+
+  template<>
+    struct __add_unsigned<long>
+    { typedef unsigned long __type; };
+
+  template<>
+    struct __add_unsigned<long long>
+    { typedef unsigned long long __type; };
+
+
+  template<>
+    struct __add_unsigned<bool>;
+
+  template<>
+    struct __add_unsigned<wchar_t>;
+
+
+
+  template<typename _Tp>
+    struct __remove_unsigned
+    {
+    private:
+      typedef __enable_if<std::__is_integer<_Tp>::__value, _Tp> __if_type;
+
+    public:
+      typedef typename __if_type::__type __type;
+    };
+
+  template<>
+    struct __remove_unsigned<char>
+    { typedef signed char __type; };
+
+  template<>
+    struct __remove_unsigned<unsigned char>
+    { typedef signed char __type; };
+
+  template<>
+    struct __remove_unsigned<unsigned short>
+    { typedef short __type; };
+
+  template<>
+    struct __remove_unsigned<unsigned int>
+    { typedef int __type; };
+
+  template<>
+    struct __remove_unsigned<unsigned long>
+    { typedef long __type; };
+
+  template<>
+    struct __remove_unsigned<unsigned long long>
+    { typedef long long __type; };
+
+
+  template<>
+    struct __remove_unsigned<bool>;
+
+  template<>
+    struct __remove_unsigned<wchar_t>;
+
+
+
+  template<typename _Type>
+    inline bool
+    __is_null_pointer(_Type* __ptr)
+    { return __ptr == 0; }
+
+  template<typename _Type>
+    inline bool
+    __is_null_pointer(_Type)
+    { return false; }
+
+
+  inline bool
+  __is_null_pointer(std::nullptr_t)
+  { return true; }
+
+
+
+  template<typename _Tp, bool = std::__is_integer<_Tp>::__value>
+    struct __promote
+    { typedef double __type; };
+
+
+
+
+  template<typename _Tp>
+    struct __promote<_Tp, false>
+    { };
+
+  template<>
+    struct __promote<long double>
+    { typedef long double __type; };
+
+  template<>
+    struct __promote<double>
+    { typedef double __type; };
+
+  template<>
+    struct __promote<float>
+    { typedef float __type; };
+
+  template<typename _Tp, typename _Up,
+           typename _Tp2 = typename __promote<_Tp>::__type,
+           typename _Up2 = typename __promote<_Up>::__type>
+    struct __promote_2
+    {
+      typedef __typeof__(_Tp2() + _Up2()) __type;
+    };
+
+  template<typename _Tp, typename _Up, typename _Vp,
+           typename _Tp2 = typename __promote<_Tp>::__type,
+           typename _Up2 = typename __promote<_Up>::__type,
+           typename _Vp2 = typename __promote<_Vp>::__type>
+    struct __promote_3
+    {
+      typedef __typeof__(_Tp2() + _Up2() + _Vp2()) __type;
+    };
+
+  template<typename _Tp, typename _Up, typename _Vp, typename _Wp,
+           typename _Tp2 = typename __promote<_Tp>::__type,
+           typename _Up2 = typename __promote<_Up>::__type,
+           typename _Vp2 = typename __promote<_Vp>::__type,
+           typename _Wp2 = typename __promote<_Wp>::__type>
+    struct __promote_4
+    {
+      typedef __typeof__(_Tp2() + _Up2() + _Vp2() + _Wp2()) __type;
+    };
+
+
+}
+# 63 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/stl_algobase.h" 2 3
+# 1 "/aux/hubicka/trunk-install/include/c++/6.0.0/ext/numeric_traits.h" 1 3
+# 32 "/aux/hubicka/trunk-install/include/c++/6.0.0/ext/numeric_traits.h" 3
+       
+# 33 "/aux/hubicka/trunk-install/include/c++/6.0.0/ext/numeric_traits.h" 3
+
+
+
+
+namespace __gnu_cxx __attribute__ ((__visibility__ ("default")))
+{
+
+# 54 "/aux/hubicka/trunk-install/include/c++/6.0.0/ext/numeric_traits.h" 3
+  template<typename _Value>
+    struct __numeric_traits_integer
+    {
+
+      static const _Value __min = (((_Value)(-1) < 0) ? (_Value)1 << (sizeof(_Value) * 8 - ((_Value)(-1) < 0)) : (_Value)0);
+      static const _Value __max = (((_Value)(-1) < 0) ? (((((_Value)1 << ((sizeof(_Value) * 8 - ((_Value)(-1) < 0)) - 1)) - 1) << 1) + 1) : ~(_Value)0);
+
+
+
+      static const bool __is_signed = ((_Value)(-1) < 0);
+      static const int __digits = (sizeof(_Value) * 8 - ((_Value)(-1) < 0));
+    };
+
+  template<typename _Value>
+    const _Value __numeric_traits_integer<_Value>::__min;
+
+  template<typename _Value>
+    const _Value __numeric_traits_integer<_Value>::__max;
+
+  template<typename _Value>
+    const bool __numeric_traits_integer<_Value>::__is_signed;
+
+  template<typename _Value>
+    const int __numeric_traits_integer<_Value>::__digits;
+# 99 "/aux/hubicka/trunk-install/include/c++/6.0.0/ext/numeric_traits.h" 3
+  template<typename _Value>
+    struct __numeric_traits_floating
+    {
+
+      static const int __max_digits10 = (2 + (std::__are_same<_Value, float>::__value ? 24 : std::__are_same<_Value, double>::__value ? 53 : 64) * 643L / 2136);
+
+
+      static const bool __is_signed = true;
+      static const int __digits10 = (std::__are_same<_Value, float>::__value ? 6 : std::__are_same<_Value, double>::__value ? 15 : 18);
+      static const int __max_exponent10 = (std::__are_same<_Value, float>::__value ? 38 : std::__are_same<_Value, double>::__value ? 308 : 4932);
+    };
+
+  template<typename _Value>
+    const int __numeric_traits_floating<_Value>::__max_digits10;
+
+  template<typename _Value>
+    const bool __numeric_traits_floating<_Value>::__is_signed;
+
+  template<typename _Value>
+    const int __numeric_traits_floating<_Value>::__digits10;
+
+  template<typename _Value>
+    const int __numeric_traits_floating<_Value>::__max_exponent10;
+
+  template<typename _Value>
+    struct __numeric_traits
+    : public __conditional_type<std::__is_integer<_Value>::__value,
+    __numeric_traits_integer<_Value>,
+    __numeric_traits_floating<_Value> >::__type
+    { };
+
+
+}
+# 64 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/stl_algobase.h" 2 3
+# 1 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/stl_pair.h" 1 3
+# 59 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/stl_pair.h" 3
+# 1 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/move.h" 1 3
+# 34 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/move.h" 3
+# 1 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/concept_check.h" 1 3
+# 33 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/concept_check.h" 3
+       
+# 34 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/concept_check.h" 3
+# 35 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/move.h" 2 3
+
+namespace std __attribute__ ((__visibility__ ("default")))
+{
+
+
+
+
+
+
+
+  template<typename _Tp>
+    inline _Tp*
+    __addressof(_Tp& __r) noexcept
+    {
+      return reinterpret_cast<_Tp*>
+ (&const_cast<char&>(reinterpret_cast<const volatile char&>(__r)));
+    }
+
+
+}
+
+
+# 1 "/aux/hubicka/trunk-install/include/c++/6.0.0/type_traits" 1 3
+# 32 "/aux/hubicka/trunk-install/include/c++/6.0.0/type_traits" 3
+       
+# 33 "/aux/hubicka/trunk-install/include/c++/6.0.0/type_traits" 3
+# 42 "/aux/hubicka/trunk-install/include/c++/6.0.0/type_traits" 3
+namespace std
+{
+  typedef short unsigned int uint_least16_t;
+  typedef unsigned int uint_least32_t;
+}
+
+
+
+
+
+namespace std __attribute__ ((__visibility__ ("default")))
+{
+
+# 68 "/aux/hubicka/trunk-install/include/c++/6.0.0/type_traits" 3
+  template<typename _Tp, _Tp __v>
+    struct integral_constant
+    {
+      static constexpr _Tp value = __v;
+      typedef _Tp value_type;
+      typedef integral_constant<_Tp, __v> type;
+      constexpr operator value_type() const { return value; }
+
+
+
+
+      constexpr value_type operator()() const { return value; }
+
+    };
+
+  template<typename _Tp, _Tp __v>
+    constexpr _Tp integral_constant<_Tp, __v>::value;
+
+
+  typedef integral_constant<bool, true> true_type;
+
+
+  typedef integral_constant<bool, false> false_type;
+
+  template<bool __v>
+    using __bool_constant = integral_constant<bool, __v>;
+# 103 "/aux/hubicka/trunk-install/include/c++/6.0.0/type_traits" 3
+  template<bool, typename, typename>
+    struct conditional;
+
+  template<typename...>
+    struct __or_;
+
+  template<>
+    struct __or_<>
+    : public false_type
+    { };
+
+  template<typename _B1>
+    struct __or_<_B1>
+    : public _B1
+    { };
+
+  template<typename _B1, typename _B2>
+    struct __or_<_B1, _B2>
+    : public conditional<_B1::value, _B1, _B2>::type
+    { };
+
+  template<typename _B1, typename _B2, typename _B3, typename... _Bn>
+    struct __or_<_B1, _B2, _B3, _Bn...>
+    : public conditional<_B1::value, _B1, __or_<_B2, _B3, _Bn...>>::type
+    { };
+
+  template<typename...>
+    struct __and_;
+
+  template<>
+    struct __and_<>
+    : public true_type
+    { };
+
+  template<typename _B1>
+    struct __and_<_B1>
+    : public _B1
+    { };
+
+  template<typename _B1, typename _B2>
+    struct __and_<_B1, _B2>
+    : public conditional<_B1::value, _B2, _B1>::type
+    { };
+
+  template<typename _B1, typename _B2, typename _B3, typename... _Bn>
+    struct __and_<_B1, _B2, _B3, _Bn...>
+    : public conditional<_B1::value, __and_<_B2, _B3, _Bn...>, _B1>::type
+    { };
+
+  template<typename _Pp>
+    struct __not_
+    : public integral_constant<bool, !_Pp::value>
+    { };
+
+
+
+
+
+
+  template<typename _Tp>
+    struct __success_type
+    { typedef _Tp type; };
+
+  struct __failure_type
+  { };
+
+
+
+  template<typename>
+    struct remove_cv;
+
+  template<typename>
+    struct __is_void_helper
+    : public false_type { };
+
+  template<>
+    struct __is_void_helper<void>
+    : public true_type { };
+
+
+  template<typename _Tp>
+    struct is_void
+    : public __is_void_helper<typename remove_cv<_Tp>::type>::type
+    { };
+
+  template<typename>
+    struct __is_integral_helper
+    : public false_type { };
+
+  template<>
+    struct __is_integral_helper<bool>
+    : public true_type { };
+
+  template<>
+    struct __is_integral_helper<char>
+    : public true_type { };
+
+  template<>
+    struct __is_integral_helper<signed char>
+    : public true_type { };
+
+  template<>
+    struct __is_integral_helper<unsigned char>
+    : public true_type { };
+
+
+  template<>
+    struct __is_integral_helper<wchar_t>
+    : public true_type { };
+
+
+  template<>
+    struct __is_integral_helper<char16_t>
+    : public true_type { };
+
+  template<>
+    struct __is_integral_helper<char32_t>
+    : public true_type { };
+
+  template<>
+    struct __is_integral_helper<short>
+    : public true_type { };
+
+  template<>
+    struct __is_integral_helper<unsigned short>
+    : public true_type { };
+
+  template<>
+    struct __is_integral_helper<int>
+    : public true_type { };
+
+  template<>
+    struct __is_integral_helper<unsigned int>
+    : public true_type { };
+
+  template<>
+    struct __is_integral_helper<long>
+    : public true_type { };
+
+  template<>
+    struct __is_integral_helper<unsigned long>
+    : public true_type { };
+
+  template<>
+    struct __is_integral_helper<long long>
+    : public true_type { };
+
+  template<>
+    struct __is_integral_helper<unsigned long long>
+    : public true_type { };
+
+
+
+
+  template<>
+    struct __is_integral_helper<__int128>
+    : public true_type { };
+
+  template<>
+    struct __is_integral_helper<unsigned __int128>
+    : public true_type { };
+# 294 "/aux/hubicka/trunk-install/include/c++/6.0.0/type_traits" 3
+  template<typename _Tp>
+    struct is_integral
+    : public __is_integral_helper<typename remove_cv<_Tp>::type>::type
+    { };
+
+  template<typename>
+    struct __is_floating_point_helper
+    : public false_type { };
+
+  template<>
+    struct __is_floating_point_helper<float>
+    : public true_type { };
+
+  template<>
+    struct __is_floating_point_helper<double>
+    : public true_type { };
+
+  template<>
+    struct __is_floating_point_helper<long double>
+    : public true_type { };
+
+
+  template<>
+    struct __is_floating_point_helper<__float128>
+    : public true_type { };
+
+
+
+  template<typename _Tp>
+    struct is_floating_point
+    : public __is_floating_point_helper<typename remove_cv<_Tp>::type>::type
+    { };
+
+
+  template<typename>
+    struct is_array
+    : public false_type { };
+
+  template<typename _Tp, std::size_t _Size>
+    struct is_array<_Tp[_Size]>
+    : public true_type { };
+
+  template<typename _Tp>
+    struct is_array<_Tp[]>
+    : public true_type { };
+
+  template<typename>
+    struct __is_pointer_helper
+    : public false_type { };
+
+  template<typename _Tp>
+    struct __is_pointer_helper<_Tp*>
+    : public true_type { };
+
+
+  template<typename _Tp>
+    struct is_pointer
+    : public __is_pointer_helper<typename remove_cv<_Tp>::type>::type
+    { };
+
+
+  template<typename>
+    struct is_lvalue_reference
+    : public false_type { };
+
+  template<typename _Tp>
+    struct is_lvalue_reference<_Tp&>
+    : public true_type { };
+
+
+  template<typename>
+    struct is_rvalue_reference
+    : public false_type { };
+
+  template<typename _Tp>
+    struct is_rvalue_reference<_Tp&&>
+    : public true_type { };
+
+  template<typename>
+    struct is_function;
+
+  template<typename>
+    struct __is_member_object_pointer_helper
+    : public false_type { };
+
+  template<typename _Tp, typename _Cp>
+    struct __is_member_object_pointer_helper<_Tp _Cp::*>
+    : public integral_constant<bool, !is_function<_Tp>::value> { };
+
+
+  template<typename _Tp>
+    struct is_member_object_pointer
+    : public __is_member_object_pointer_helper<
+    typename remove_cv<_Tp>::type>::type
+    { };
+
+  template<typename>
+    struct __is_member_function_pointer_helper
+    : public false_type { };
+
+  template<typename _Tp, typename _Cp>
+    struct __is_member_function_pointer_helper<_Tp _Cp::*>
+    : public integral_constant<bool, is_function<_Tp>::value> { };
+
+
+  template<typename _Tp>
+    struct is_member_function_pointer
+    : public __is_member_function_pointer_helper<
+    typename remove_cv<_Tp>::type>::type
+    { };
+
+
+  template<typename _Tp>
+    struct is_enum
+    : public integral_constant<bool, __is_enum(_Tp)>
+    { };
+
+
+  template<typename _Tp>
+    struct is_union
+    : public integral_constant<bool, __is_union(_Tp)>
+    { };
+
+
+  template<typename _Tp>
+    struct is_class
+    : public integral_constant<bool, __is_class(_Tp)>
+    { };
+
+
+  template<typename>
+    struct is_function
+    : public false_type { };
+
+  template<typename _Res, typename... _ArgTypes>
+    struct is_function<_Res(_ArgTypes...)>
+    : public true_type { };
+
+  template<typename _Res, typename... _ArgTypes>
+    struct is_function<_Res(_ArgTypes...) &>
+    : public true_type { };
+
+  template<typename _Res, typename... _ArgTypes>
+    struct is_function<_Res(_ArgTypes...) &&>
+    : public true_type { };
+
+  template<typename _Res, typename... _ArgTypes>
+    struct is_function<_Res(_ArgTypes......)>
+    : public true_type { };
+
+  template<typename _Res, typename... _ArgTypes>
+    struct is_function<_Res(_ArgTypes......) &>
+    : public true_type { };
+
+  template<typename _Res, typename... _ArgTypes>
+    struct is_function<_Res(_ArgTypes......) &&>
+    : public true_type { };
+
+  template<typename _Res, typename... _ArgTypes>
+    struct is_function<_Res(_ArgTypes...) const>
+    : public true_type { };
+
+  template<typename _Res, typename... _ArgTypes>
+    struct is_function<_Res(_ArgTypes...) const &>
+    : public true_type { };
+
+  template<typename _Res, typename... _ArgTypes>
+    struct is_function<_Res(_ArgTypes...) const &&>
+    : public true_type { };
+
+  template<typename _Res, typename... _ArgTypes>
+    struct is_function<_Res(_ArgTypes......) const>
+    : public true_type { };
+
+  template<typename _Res, typename... _ArgTypes>
+    struct is_function<_Res(_ArgTypes......) const &>
+    : public true_type { };
+
+  template<typename _Res, typename... _ArgTypes>
+    struct is_function<_Res(_ArgTypes......) const &&>
+    : public true_type { };
+
+  template<typename _Res, typename... _ArgTypes>
+    struct is_function<_Res(_ArgTypes...) volatile>
+    : public true_type { };
+
+  template<typename _Res, typename... _ArgTypes>
+    struct is_function<_Res(_ArgTypes...) volatile &>
+    : public true_type { };
+
+  template<typename _Res, typename... _ArgTypes>
+    struct is_function<_Res(_ArgTypes...) volatile &&>
+    : public true_type { };
+
+  template<typename _Res, typename... _ArgTypes>
+    struct is_function<_Res(_ArgTypes......) volatile>
+    : public true_type { };
+
+  template<typename _Res, typename... _ArgTypes>
+    struct is_function<_Res(_ArgTypes......) volatile &>
+    : public true_type { };
+
+  template<typename _Res, typename... _ArgTypes>
+    struct is_function<_Res(_ArgTypes......) volatile &&>
+    : public true_type { };
+
+  template<typename _Res, typename... _ArgTypes>
+    struct is_function<_Res(_ArgTypes...) const volatile>
+    : public true_type { };
+
+  template<typename _Res, typename... _ArgTypes>
+    struct is_function<_Res(_ArgTypes...) const volatile &>
+    : public true_type { };
+
+  template<typename _Res, typename... _ArgTypes>
+    struct is_function<_Res(_ArgTypes...) const volatile &&>
+    : public true_type { };
+
+  template<typename _Res, typename... _ArgTypes>
+    struct is_function<_Res(_ArgTypes......) const volatile>
+    : public true_type { };
+
+  template<typename _Res, typename... _ArgTypes>
+    struct is_function<_Res(_ArgTypes......) const volatile &>
+    : public true_type { };
+
+  template<typename _Res, typename... _ArgTypes>
+    struct is_function<_Res(_ArgTypes......) const volatile &&>
+    : public true_type { };
+
+
+
+  template<typename>
+    struct __is_null_pointer_helper
+    : public false_type { };
+
+  template<>
+    struct __is_null_pointer_helper<std::nullptr_t>
+    : public true_type { };
+
+
+  template<typename _Tp>
+    struct is_null_pointer
+    : public __is_null_pointer_helper<typename remove_cv<_Tp>::type>::type
+    { };
+
+
+  template<typename _Tp>
+    struct __is_nullptr_t
+    : public is_null_pointer<_Tp>
+    { };
+
+
+
+
+  template<typename _Tp>
+    struct is_reference
+    : public __or_<is_lvalue_reference<_Tp>,
+                   is_rvalue_reference<_Tp>>::type
+    { };
+
+
+  template<typename _Tp>
+    struct is_arithmetic
+    : public __or_<is_integral<_Tp>, is_floating_point<_Tp>>::type
+    { };
+
+
+  template<typename _Tp>
+    struct is_fundamental
+    : public __or_<is_arithmetic<_Tp>, is_void<_Tp>,
+     is_null_pointer<_Tp>>::type
+    { };
+
+
+  template<typename _Tp>
+    struct is_object
+    : public __not_<__or_<is_function<_Tp>, is_reference<_Tp>,
+                          is_void<_Tp>>>::type
+    { };
+
+  template<typename>
+    struct is_member_pointer;
+
+
+  template<typename _Tp>
+    struct is_scalar
+    : public __or_<is_arithmetic<_Tp>, is_enum<_Tp>, is_pointer<_Tp>,
+                   is_member_pointer<_Tp>, is_null_pointer<_Tp>>::type
+    { };
+
+
+  template<typename _Tp>
+    struct is_compound
+    : public integral_constant<bool, !is_fundamental<_Tp>::value> { };
+
+  template<typename _Tp>
+    struct __is_member_pointer_helper
+    : public false_type { };
+
+  template<typename _Tp, typename _Cp>
+    struct __is_member_pointer_helper<_Tp _Cp::*>
+    : public true_type { };
+
+
+  template<typename _Tp>
+    struct is_member_pointer
+    : public __is_member_pointer_helper<typename remove_cv<_Tp>::type>::type
+    { };
+
+
+
+  template<typename _Tp>
+    struct __is_referenceable
+    : public __or_<is_object<_Tp>, is_reference<_Tp>>::type
+    { };
+
+  template<typename _Res, typename... _Args>
+    struct __is_referenceable<_Res(_Args...)>
+    : public true_type
+    { };
+
+  template<typename _Res, typename... _Args>
+    struct __is_referenceable<_Res(_Args......)>
+    : public true_type
+    { };
+
+
+
+
+  template<typename>
+    struct is_const
+    : public false_type { };
+
+  template<typename _Tp>
+    struct is_const<_Tp const>
+    : public true_type { };
+
+
+  template<typename>
+    struct is_volatile
+    : public false_type { };
+
+  template<typename _Tp>
+    struct is_volatile<_Tp volatile>
+    : public true_type { };
+
+
+  template<typename _Tp>
+    struct is_trivial
+    : public integral_constant<bool, __is_trivial(_Tp)>
+    { };
+
+
+  template<typename _Tp>
+    struct is_trivially_copyable
+    : public integral_constant<bool, __is_trivially_copyable(_Tp)>
+    { };
+
+
+  template<typename _Tp>
+    struct is_standard_layout
+    : public integral_constant<bool, __is_standard_layout(_Tp)>
+    { };
+
+
+
+  template<typename _Tp>
+    struct is_pod
+    : public integral_constant<bool, __is_pod(_Tp)>
+    { };
+
+
+  template<typename _Tp>
+    struct is_literal_type
+    : public integral_constant<bool, __is_literal_type(_Tp)>
+    { };
+
+
+  template<typename _Tp>
+    struct is_empty
+    : public integral_constant<bool, __is_empty(_Tp)>
+    { };
+
+
+  template<typename _Tp>
+    struct is_polymorphic
+    : public integral_constant<bool, __is_polymorphic(_Tp)>
+    { };
+
+
+
+
+  template<typename _Tp>
+    struct is_final
+    : public integral_constant<bool, __is_final(_Tp)>
+    { };
+
+
+
+  template<typename _Tp>
+    struct is_abstract
+    : public integral_constant<bool, __is_abstract(_Tp)>
+    { };
+
+  template<typename _Tp,
+    bool = is_arithmetic<_Tp>::value>
+    struct __is_signed_helper
+    : public false_type { };
+
+  template<typename _Tp>
+    struct __is_signed_helper<_Tp, true>
+    : public integral_constant<bool, _Tp(-1) < _Tp(0)>
+    { };
+
+
+  template<typename _Tp>
+    struct is_signed
+    : public __is_signed_helper<_Tp>::type
+    { };
+
+
+  template<typename _Tp>
+    struct is_unsigned
+    : public __and_<is_arithmetic<_Tp>, __not_<is_signed<_Tp>>>::type
+    { };
+
+
+
+
+  template<typename>
+    struct add_rvalue_reference;
+
+
+
+
+
+  template<typename _Tp>
+    typename add_rvalue_reference<_Tp>::type declval() noexcept;
+
+  template<typename, unsigned = 0>
+    struct extent;
+
+  template<typename>
+    struct remove_all_extents;
+
+  template<typename _Tp>
+    struct __is_array_known_bounds
+    : public integral_constant<bool, (extent<_Tp>::value > 0)>
+    { };
+
+  template<typename _Tp>
+    struct __is_array_unknown_bounds
+    : public __and_<is_array<_Tp>, __not_<extent<_Tp>>>::type
+    { };
+
+
+
+
+
+
+  struct __do_is_destructible_impl
+  {
+    template<typename _Tp, typename = decltype(declval<_Tp&>().~_Tp())>
+      static true_type __test(int);
+
+    template<typename>
+      static false_type __test(...);
+  };
+
+  template<typename _Tp>
+    struct __is_destructible_impl
+    : public __do_is_destructible_impl
+    {
+      typedef decltype(__test<_Tp>(0)) type;
+    };
+
+  template<typename _Tp,
+           bool = __or_<is_void<_Tp>,
+                        __is_array_unknown_bounds<_Tp>,
+                        is_function<_Tp>>::value,
+           bool = __or_<is_reference<_Tp>, is_scalar<_Tp>>::value>
+    struct __is_destructible_safe;
+
+  template<typename _Tp>
+    struct __is_destructible_safe<_Tp, false, false>
+    : public __is_destructible_impl<typename
+               remove_all_extents<_Tp>::type>::type
+    { };
+
+  template<typename _Tp>
+    struct __is_destructible_safe<_Tp, true, false>
+    : public false_type { };
+
+  template<typename _Tp>
+    struct __is_destructible_safe<_Tp, false, true>
+    : public true_type { };
+
+
+  template<typename _Tp>
+    struct is_destructible
+    : public __is_destructible_safe<_Tp>::type
+    { };
+
+
+
+
+
+  struct __do_is_nt_destructible_impl
+  {
+    template<typename _Tp>
+      static integral_constant<bool, noexcept(declval<_Tp&>().~_Tp())>
+        __test(int);
+
+    template<typename>
+      static false_type __test(...);
+  };
+
+  template<typename _Tp>
+    struct __is_nt_destructible_impl
+    : public __do_is_nt_destructible_impl
+    {
+      typedef decltype(__test<_Tp>(0)) type;
+    };
+
+  template<typename _Tp,
+           bool = __or_<is_void<_Tp>,
+                        __is_array_unknown_bounds<_Tp>,
+                        is_function<_Tp>>::value,
+           bool = __or_<is_reference<_Tp>, is_scalar<_Tp>>::value>
+    struct __is_nt_destructible_safe;
+
+  template<typename _Tp>
+    struct __is_nt_destructible_safe<_Tp, false, false>
+    : public __is_nt_destructible_impl<typename
+               remove_all_extents<_Tp>::type>::type
+    { };
+
+  template<typename _Tp>
+    struct __is_nt_destructible_safe<_Tp, true, false>
+    : public false_type { };
+
+  template<typename _Tp>
+    struct __is_nt_destructible_safe<_Tp, false, true>
+    : public true_type { };
+
+
+  template<typename _Tp>
+    struct is_nothrow_destructible
+    : public __is_nt_destructible_safe<_Tp>::type
+    { };
+
+  struct __do_is_default_constructible_impl
+  {
+    template<typename _Tp, typename = decltype(_Tp())>
+      static true_type __test(int);
+
+    template<typename>
+      static false_type __test(...);
+  };
+
+  template<typename _Tp>
+    struct __is_default_constructible_impl
+    : public __do_is_default_constructible_impl
+    {
+      typedef decltype(__test<_Tp>(0)) type;
+    };
+
+  template<typename _Tp>
+    struct __is_default_constructible_atom
+    : public __and_<__not_<is_void<_Tp>>,
+                    __is_default_constructible_impl<_Tp>>::type
+    { };
+
+  template<typename _Tp, bool = is_array<_Tp>::value>
+    struct __is_default_constructible_safe;
+
+
+
+
+
+
+  template<typename _Tp>
+    struct __is_default_constructible_safe<_Tp, true>
+    : public __and_<__is_array_known_bounds<_Tp>,
+      __is_default_constructible_atom<typename
+                      remove_all_extents<_Tp>::type>>::type
+    { };
+
+  template<typename _Tp>
+    struct __is_default_constructible_safe<_Tp, false>
+    : public __is_default_constructible_atom<_Tp>::type
+    { };
+
+
+  template<typename _Tp>
+    struct is_default_constructible
+    : public __is_default_constructible_safe<_Tp>::type
+    { };
+# 906 "/aux/hubicka/trunk-install/include/c++/6.0.0/type_traits" 3
+  struct __do_is_static_castable_impl
+  {
+    template<typename _From, typename _To, typename
+             = decltype(static_cast<_To>(declval<_From>()))>
+      static true_type __test(int);
+
+    template<typename, typename>
+      static false_type __test(...);
+  };
+
+  template<typename _From, typename _To>
+    struct __is_static_castable_impl
+    : public __do_is_static_castable_impl
+    {
+      typedef decltype(__test<_From, _To>(0)) type;
+    };
+
+  template<typename _From, typename _To>
+    struct __is_static_castable_safe
+    : public __is_static_castable_impl<_From, _To>::type
+    { };
+
+
+  template<typename _From, typename _To>
+    struct __is_static_castable
+    : public integral_constant<bool, (__is_static_castable_safe<
+          _From, _To>::value)>
+    { };
+
+
+
+
+
+
+  struct __do_is_direct_constructible_impl
+  {
+    template<typename _Tp, typename _Arg, typename
+      = decltype(::new _Tp(declval<_Arg>()))>
+      static true_type __test(int);
+
+    template<typename, typename>
+      static false_type __test(...);
+  };
+
+  template<typename _Tp, typename _Arg>
+    struct __is_direct_constructible_impl
+    : public __do_is_direct_constructible_impl
+    {
+      typedef decltype(__test<_Tp, _Arg>(0)) type;
+    };
+
+  template<typename _Tp, typename _Arg>
+    struct __is_direct_constructible_new_safe
+    : public __and_<is_destructible<_Tp>,
+                    __is_direct_constructible_impl<_Tp, _Arg>>::type
+    { };
+
+  template<typename, typename>
+    struct is_same;
+
+  template<typename, typename>
+    struct is_base_of;
+
+  template<typename>
+    struct remove_reference;
+
+  template<typename _From, typename _To, bool
+           = __not_<__or_<is_void<_From>,
+                          is_function<_From>>>::value>
+    struct __is_base_to_derived_ref;
+
+
+
+  template<typename _From, typename _To>
+    struct __is_base_to_derived_ref<_From, _To, true>
+    {
+      typedef typename remove_cv<typename remove_reference<_From
+        >::type>::type __src_t;
+      typedef typename remove_cv<typename remove_reference<_To
+        >::type>::type __dst_t;
+      typedef __and_<__not_<is_same<__src_t, __dst_t>>,
+       is_base_of<__src_t, __dst_t>> type;
+      static constexpr bool value = type::value;
+    };
+
+  template<typename _From, typename _To>
+    struct __is_base_to_derived_ref<_From, _To, false>
+    : public false_type
+    { };
+
+  template<typename _From, typename _To, bool
+           = __and_<is_lvalue_reference<_From>,
+                    is_rvalue_reference<_To>>::value>
+    struct __is_lvalue_to_rvalue_ref;
+
+
+
+  template<typename _From, typename _To>
+    struct __is_lvalue_to_rvalue_ref<_From, _To, true>
+    {
+      typedef typename remove_cv<typename remove_reference<
+        _From>::type>::type __src_t;
+      typedef typename remove_cv<typename remove_reference<
+        _To>::type>::type __dst_t;
+      typedef __and_<__not_<is_function<__src_t>>,
+        __or_<is_same<__src_t, __dst_t>,
+      is_base_of<__dst_t, __src_t>>> type;
+      static constexpr bool value = type::value;
+    };
+
+  template<typename _From, typename _To>
+    struct __is_lvalue_to_rvalue_ref<_From, _To, false>
+    : public false_type
+    { };
+
+
+
+
+
+
+
+  template<typename _Tp, typename _Arg>
+    struct __is_direct_constructible_ref_cast
+    : public __and_<__is_static_castable<_Arg, _Tp>,
+                    __not_<__or_<__is_base_to_derived_ref<_Arg, _Tp>,
+                                 __is_lvalue_to_rvalue_ref<_Arg, _Tp>
+                   >>>::type
+    { };
+
+  template<typename _Tp, typename _Arg>
+    struct __is_direct_constructible_new
+    : public conditional<is_reference<_Tp>::value,
+    __is_direct_constructible_ref_cast<_Tp, _Arg>,
+    __is_direct_constructible_new_safe<_Tp, _Arg>
+    >::type
+    { };
+
+  template<typename _Tp, typename _Arg>
+    struct __is_direct_constructible
+    : public __is_direct_constructible_new<_Tp, _Arg>::type
+    { };
+
+
+
+
+
+
+  struct __do_is_nary_constructible_impl
+  {
+    template<typename _Tp, typename... _Args, typename
+             = decltype(_Tp(declval<_Args>()...))>
+      static true_type __test(int);
+
+    template<typename, typename...>
+      static false_type __test(...);
+  };
+
+  template<typename _Tp, typename... _Args>
+    struct __is_nary_constructible_impl
+    : public __do_is_nary_constructible_impl
+    {
+      typedef decltype(__test<_Tp, _Args...>(0)) type;
+    };
+
+  template<typename _Tp, typename... _Args>
+    struct __is_nary_constructible
+    : public __is_nary_constructible_impl<_Tp, _Args...>::type
+    {
+      static_assert(sizeof...(_Args) > 1,
+                    "Only useful for > 1 arguments");
+    };
+
+  template<typename _Tp, typename... _Args>
+    struct __is_constructible_impl
+    : public __is_nary_constructible<_Tp, _Args...>
+    { };
+
+  template<typename _Tp, typename _Arg>
+    struct __is_constructible_impl<_Tp, _Arg>
+    : public __is_direct_constructible<_Tp, _Arg>
+    { };
+
+  template<typename _Tp>
+    struct __is_constructible_impl<_Tp>
+    : public is_default_constructible<_Tp>
+    { };
+
+
+  template<typename _Tp, typename... _Args>
+    struct is_constructible
+    : public __is_constructible_impl<_Tp, _Args...>::type
+    { };
+
+  template<typename _Tp, bool = __is_referenceable<_Tp>::value>
+    struct __is_copy_constructible_impl;
+
+  template<typename _Tp>
+    struct __is_copy_constructible_impl<_Tp, false>
+    : public false_type { };
+
+  template<typename _Tp>
+    struct __is_copy_constructible_impl<_Tp, true>
+    : public is_constructible<_Tp, const _Tp&>
+    { };
+
+
+  template<typename _Tp>
+    struct is_copy_constructible
+    : public __is_copy_constructible_impl<_Tp>
+    { };
+
+  template<typename _Tp, bool = __is_referenceable<_Tp>::value>
+    struct __is_move_constructible_impl;
+
+  template<typename _Tp>
+    struct __is_move_constructible_impl<_Tp, false>
+    : public false_type { };
+
+  template<typename _Tp>
+    struct __is_move_constructible_impl<_Tp, true>
+    : public is_constructible<_Tp, _Tp&&>
+    { };
+
+
+  template<typename _Tp>
+    struct is_move_constructible
+    : public __is_move_constructible_impl<_Tp>
+    { };
+
+  template<typename _Tp>
+    struct __is_nt_default_constructible_atom
+    : public integral_constant<bool, noexcept(_Tp())>
+    { };
+
+  template<typename _Tp, bool = is_array<_Tp>::value>
+    struct __is_nt_default_constructible_impl;
+
+  template<typename _Tp>
+    struct __is_nt_default_constructible_impl<_Tp, true>
+    : public __and_<__is_array_known_bounds<_Tp>,
+      __is_nt_default_constructible_atom<typename
+                      remove_all_extents<_Tp>::type>>::type
+    { };
+
+  template<typename _Tp>
+    struct __is_nt_default_constructible_impl<_Tp, false>
+    : public __is_nt_default_constructible_atom<_Tp>
+    { };
+
+
+  template<typename _Tp>
+    struct is_nothrow_default_constructible
+    : public __and_<is_default_constructible<_Tp>,
+                    __is_nt_default_constructible_impl<_Tp>>::type
+    { };
+
+  template<typename _Tp, typename... _Args>
+    struct __is_nt_constructible_impl
+    : public integral_constant<bool, noexcept(_Tp(declval<_Args>()...))>
+    { };
+
+  template<typename _Tp, typename _Arg>
+    struct __is_nt_constructible_impl<_Tp, _Arg>
+    : public integral_constant<bool,
+                               noexcept(static_cast<_Tp>(declval<_Arg>()))>
+    { };
+
+  template<typename _Tp>
+    struct __is_nt_constructible_impl<_Tp>
+    : public is_nothrow_default_constructible<_Tp>
+    { };
+
+
+  template<typename _Tp, typename... _Args>
+    struct is_nothrow_constructible
+    : public __and_<is_constructible<_Tp, _Args...>,
+      __is_nt_constructible_impl<_Tp, _Args...>>::type
+    { };
+
+  template<typename _Tp, bool = __is_referenceable<_Tp>::value>
+    struct __is_nothrow_copy_constructible_impl;
+
+  template<typename _Tp>
+    struct __is_nothrow_copy_constructible_impl<_Tp, false>
+    : public false_type { };
+
+  template<typename _Tp>
+    struct __is_nothrow_copy_constructible_impl<_Tp, true>
+    : public is_nothrow_constructible<_Tp, const _Tp&>
+    { };
+
+
+  template<typename _Tp>
+    struct is_nothrow_copy_constructible
+    : public __is_nothrow_copy_constructible_impl<_Tp>
+    { };
+
+  template<typename _Tp, bool = __is_referenceable<_Tp>::value>
+    struct __is_nothrow_move_constructible_impl;
+
+  template<typename _Tp>
+    struct __is_nothrow_move_constructible_impl<_Tp, false>
+    : public false_type { };
+
+  template<typename _Tp>
+    struct __is_nothrow_move_constructible_impl<_Tp, true>
+    : public is_nothrow_constructible<_Tp, _Tp&&>
+    { };
+
+
+  template<typename _Tp>
+    struct is_nothrow_move_constructible
+    : public __is_nothrow_move_constructible_impl<_Tp>
+    { };
+
+  template<typename _Tp, typename _Up>
+    class __is_assignable_helper
+    {
+      template<typename _Tp1, typename _Up1,
+        typename = decltype(declval<_Tp1>() = declval<_Up1>())>
+ static true_type
+ __test(int);
+
+      template<typename, typename>
+ static false_type
+ __test(...);
+
+    public:
+      typedef decltype(__test<_Tp, _Up>(0)) type;
+    };
+
+
+  template<typename _Tp, typename _Up>
+    struct is_assignable
+      : public __is_assignable_helper<_Tp, _Up>::type
+    { };
+
+  template<typename _Tp, bool = __is_referenceable<_Tp>::value>
+    struct __is_copy_assignable_impl;
+
+  template<typename _Tp>
+    struct __is_copy_assignable_impl<_Tp, false>
+    : public false_type { };
+
+  template<typename _Tp>
+    struct __is_copy_assignable_impl<_Tp, true>
+    : public is_assignable<_Tp&, const _Tp&>
+    { };
+
+
+  template<typename _Tp>
+    struct is_copy_assignable
+    : public __is_copy_assignable_impl<_Tp>
+    { };
+
+  template<typename _Tp, bool = __is_referenceable<_Tp>::value>
+    struct __is_move_assignable_impl;
+
+  template<typename _Tp>
+    struct __is_move_assignable_impl<_Tp, false>
+    : public false_type { };
+
+  template<typename _Tp>
+    struct __is_move_assignable_impl<_Tp, true>
+    : public is_assignable<_Tp&, _Tp&&>
+    { };
+
+
+  template<typename _Tp>
+    struct is_move_assignable
+    : public __is_move_assignable_impl<_Tp>
+    { };
+
+  template<typename _Tp, typename _Up>
+    struct __is_nt_assignable_impl
+    : public integral_constant<bool, noexcept(declval<_Tp>() = declval<_Up>())>
+    { };
+
+
+  template<typename _Tp, typename _Up>
+    struct is_nothrow_assignable
+    : public __and_<is_assignable<_Tp, _Up>,
+      __is_nt_assignable_impl<_Tp, _Up>>::type
+    { };
+
+  template<typename _Tp, bool = __is_referenceable<_Tp>::value>
+    struct __is_nt_copy_assignable_impl;
+
+  template<typename _Tp>
+    struct __is_nt_copy_assignable_impl<_Tp, false>
+    : public false_type { };
+
+  template<typename _Tp>
+    struct __is_nt_copy_assignable_impl<_Tp, true>
+    : public is_nothrow_assignable<_Tp&, const _Tp&>
+    { };
+
+
+  template<typename _Tp>
+    struct is_nothrow_copy_assignable
+    : public __is_nt_copy_assignable_impl<_Tp>
+    { };
+
+  template<typename _Tp, bool = __is_referenceable<_Tp>::value>
+    struct __is_nt_move_assignable_impl;
+
+  template<typename _Tp>
+    struct __is_nt_move_assignable_impl<_Tp, false>
+    : public false_type { };
+
+  template<typename _Tp>
+    struct __is_nt_move_assignable_impl<_Tp, true>
+    : public is_nothrow_assignable<_Tp&, _Tp&&>
+    { };
+
+
+  template<typename _Tp>
+    struct is_nothrow_move_assignable
+    : public __is_nt_move_assignable_impl<_Tp>
+    { };
+
+
+  template<typename _Tp, typename... _Args>
+    struct is_trivially_constructible
+    : public __and_<is_constructible<_Tp, _Args...>, integral_constant<bool,
+   __is_trivially_constructible(_Tp, _Args...)>>::type
+    { };
+
+
+  template<typename _Tp>
+    struct is_trivially_default_constructible
+    : public is_trivially_constructible<_Tp>::type
+    { };
+
+
+  template<typename _Tp>
+    struct is_trivially_copy_constructible
+    : public __and_<is_copy_constructible<_Tp>,
+      integral_constant<bool,
+   __is_trivially_constructible(_Tp, const _Tp&)>>::type
+    { };
+
+
+  template<typename _Tp>
+    struct is_trivially_move_constructible
+    : public __and_<is_move_constructible<_Tp>,
+      integral_constant<bool,
+   __is_trivially_constructible(_Tp, _Tp&&)>>::type
+    { };
+
+
+  template<typename _Tp, typename _Up>
+    struct is_trivially_assignable
+    : public __and_<is_assignable<_Tp, _Up>,
+      integral_constant<bool,
+   __is_trivially_assignable(_Tp, _Up)>>::type
+    { };
+
+
+  template<typename _Tp>
+    struct is_trivially_copy_assignable
+    : public __and_<is_copy_assignable<_Tp>,
+      integral_constant<bool,
+   __is_trivially_assignable(_Tp&, const _Tp&)>>::type
+    { };
+
+
+  template<typename _Tp>
+    struct is_trivially_move_assignable
+    : public __and_<is_move_assignable<_Tp>,
+      integral_constant<bool,
+   __is_trivially_assignable(_Tp&, _Tp&&)>>::type
+    { };
+
+
+  template<typename _Tp>
+    struct is_trivially_destructible
+    : public __and_<is_destructible<_Tp>, integral_constant<bool,
+         __has_trivial_destructor(_Tp)>>::type
+    { };
+
+
+  template<typename _Tp>
+    struct has_trivial_default_constructor
+    : public integral_constant<bool, __has_trivial_constructor(_Tp)>
+    { } __attribute__ ((__deprecated__));
+
+
+  template<typename _Tp>
+    struct has_trivial_copy_constructor
+    : public integral_constant<bool, __has_trivial_copy(_Tp)>
+    { } __attribute__ ((__deprecated__));
+
+
+  template<typename _Tp>
+    struct has_trivial_copy_assign
+    : public integral_constant<bool, __has_trivial_assign(_Tp)>
+    { } __attribute__ ((__deprecated__));
+
+
+  template<typename _Tp>
+    struct has_virtual_destructor
+    : public integral_constant<bool, __has_virtual_destructor(_Tp)>
+    { };
+
+
+
+
+
+  template<typename _Tp>
+    struct alignment_of
+    : public integral_constant<std::size_t, __alignof__(_Tp)> { };
+
+
+  template<typename>
+    struct rank
+    : public integral_constant<std::size_t, 0> { };
+
+  template<typename _Tp, std::size_t _Size>
+    struct rank<_Tp[_Size]>
+    : public integral_constant<std::size_t, 1 + rank<_Tp>::value> { };
+
+  template<typename _Tp>
+    struct rank<_Tp[]>
+    : public integral_constant<std::size_t, 1 + rank<_Tp>::value> { };
+
+
+  template<typename, unsigned _Uint>
+    struct extent
+    : public integral_constant<std::size_t, 0> { };
+
+  template<typename _Tp, unsigned _Uint, std::size_t _Size>
+    struct extent<_Tp[_Size], _Uint>
+    : public integral_constant<std::size_t,
+          _Uint == 0 ? _Size : extent<_Tp,
+          _Uint - 1>::value>
+    { };
+
+  template<typename _Tp, unsigned _Uint>
+    struct extent<_Tp[], _Uint>
+    : public integral_constant<std::size_t,
+          _Uint == 0 ? 0 : extent<_Tp,
+             _Uint - 1>::value>
+    { };
+
+
+
+
+
+  template<typename, typename>
+    struct is_same
+    : public false_type { };
+
+  template<typename _Tp>
+    struct is_same<_Tp, _Tp>
+    : public true_type { };
+
+
+  template<typename _Base, typename _Derived>
+    struct is_base_of
+    : public integral_constant<bool, __is_base_of(_Base, _Derived)>
+    { };
+
+  template<typename _From, typename _To,
+           bool = __or_<is_void<_From>, is_function<_To>,
+                        is_array<_To>>::value>
+    struct __is_convertible_helper
+    { typedef typename is_void<_To>::type type; };
+
+  template<typename _From, typename _To>
+    class __is_convertible_helper<_From, _To, false>
+    {
+       template<typename _To1>
+ static void __test_aux(_To1);
+
+      template<typename _From1, typename _To1,
+        typename = decltype(__test_aux<_To1>(std::declval<_From1>()))>
+ static true_type
+ __test(int);
+
+      template<typename, typename>
+ static false_type
+ __test(...);
+
+    public:
+      typedef decltype(__test<_From, _To>(0)) type;
+    };
+
+
+
+  template<typename _From, typename _To>
+    struct is_convertible
+    : public __is_convertible_helper<_From, _To>::type
+    { };
+
+
+
+
+
+  template<typename _Tp>
+    struct remove_const
+    { typedef _Tp type; };
+
+  template<typename _Tp>
+    struct remove_const<_Tp const>
+    { typedef _Tp type; };
+
+
+  template<typename _Tp>
+    struct remove_volatile
+    { typedef _Tp type; };
+
+  template<typename _Tp>
+    struct remove_volatile<_Tp volatile>
+    { typedef _Tp type; };
+
+
+  template<typename _Tp>
+    struct remove_cv
+    {
+      typedef typename
+      remove_const<typename remove_volatile<_Tp>::type>::type type;
+    };
+
+
+  template<typename _Tp>
+    struct add_const
+    { typedef _Tp const type; };
+
+
+  template<typename _Tp>
+    struct add_volatile
+    { typedef _Tp volatile type; };
+
+
+  template<typename _Tp>
+    struct add_cv
+    {
+      typedef typename
+      add_const<typename add_volatile<_Tp>::type>::type type;
+    };
+
+
+
+
+
+
+  template<typename _Tp>
+    using remove_const_t = typename remove_const<_Tp>::type;
+
+
+  template<typename _Tp>
+    using remove_volatile_t = typename remove_volatile<_Tp>::type;
+
+
+  template<typename _Tp>
+    using remove_cv_t = typename remove_cv<_Tp>::type;
+
+
+  template<typename _Tp>
+    using add_const_t = typename add_const<_Tp>::type;
+
+
+  template<typename _Tp>
+    using add_volatile_t = typename add_volatile<_Tp>::type;
+
+
+  template<typename _Tp>
+    using add_cv_t = typename add_cv<_Tp>::type;
+
+
+
+
+
+  template<typename _Tp>
+    struct remove_reference
+    { typedef _Tp type; };
+
+  template<typename _Tp>
+    struct remove_reference<_Tp&>
+    { typedef _Tp type; };
+
+  template<typename _Tp>
+    struct remove_reference<_Tp&&>
+    { typedef _Tp type; };
+
+  template<typename _Tp, bool = __is_referenceable<_Tp>::value>
+    struct __add_lvalue_reference_helper
+    { typedef _Tp type; };
+
+  template<typename _Tp>
+    struct __add_lvalue_reference_helper<_Tp, true>
+    { typedef _Tp& type; };
+
+
+  template<typename _Tp>
+    struct add_lvalue_reference
+    : public __add_lvalue_reference_helper<_Tp>
+    { };
+
+  template<typename _Tp, bool = __is_referenceable<_Tp>::value>
+    struct __add_rvalue_reference_helper
+    { typedef _Tp type; };
+
+  template<typename _Tp>
+    struct __add_rvalue_reference_helper<_Tp, true>
+    { typedef _Tp&& type; };
+
+
+  template<typename _Tp>
+    struct add_rvalue_reference
+    : public __add_rvalue_reference_helper<_Tp>
+    { };
+
+
+
+  template<typename _Tp>
+    using remove_reference_t = typename remove_reference<_Tp>::type;
+
+
+  template<typename _Tp>
+    using add_lvalue_reference_t = typename add_lvalue_reference<_Tp>::type;
+
+
+  template<typename _Tp>
+    using add_rvalue_reference_t = typename add_rvalue_reference<_Tp>::type;
+
+
+
+
+
+  template<typename _Unqualified, bool _IsConst, bool _IsVol>
+    struct __cv_selector;
+
+  template<typename _Unqualified>
+    struct __cv_selector<_Unqualified, false, false>
+    { typedef _Unqualified __type; };
+
+  template<typename _Unqualified>
+    struct __cv_selector<_Unqualified, false, true>
+    { typedef volatile _Unqualified __type; };
+
+  template<typename _Unqualified>
+    struct __cv_selector<_Unqualified, true, false>
+    { typedef const _Unqualified __type; };
+
+  template<typename _Unqualified>
+    struct __cv_selector<_Unqualified, true, true>
+    { typedef const volatile _Unqualified __type; };
+
+  template<typename _Qualified, typename _Unqualified,
+    bool _IsConst = is_const<_Qualified>::value,
+    bool _IsVol = is_volatile<_Qualified>::value>
+    class __match_cv_qualifiers
+    {
+      typedef __cv_selector<_Unqualified, _IsConst, _IsVol> __match;
+
+    public:
+      typedef typename __match::__type __type;
+    };
+
+
+  template<typename _Tp>
+    struct __make_unsigned
+    { typedef _Tp __type; };
+
+  template<>
+    struct __make_unsigned<char>
+    { typedef unsigned char __type; };
+
+  template<>
+    struct __make_unsigned<signed char>
+    { typedef unsigned char __type; };
+
+  template<>
+    struct __make_unsigned<short>
+    { typedef unsigned short __type; };
+
+  template<>
+    struct __make_unsigned<int>
+    { typedef unsigned int __type; };
+
+  template<>
+    struct __make_unsigned<long>
+    { typedef unsigned long __type; };
+
+  template<>
+    struct __make_unsigned<long long>
+    { typedef unsigned long long __type; };
+
+
+  template<>
+    struct __make_unsigned<wchar_t> : __make_unsigned<int>
+    { };
+
+
+
+  template<>
+    struct __make_unsigned<__int128>
+    { typedef unsigned __int128 __type; };
+# 1724 "/aux/hubicka/trunk-install/include/c++/6.0.0/type_traits" 3
+  template<typename _Tp,
+    bool _IsInt = is_integral<_Tp>::value,
+    bool _IsEnum = is_enum<_Tp>::value>
+    class __make_unsigned_selector;
+
+  template<typename _Tp>
+    class __make_unsigned_selector<_Tp, true, false>
+    {
+      typedef __make_unsigned<typename remove_cv<_Tp>::type> __unsignedt;
+      typedef typename __unsignedt::__type __unsigned_type;
+      typedef __match_cv_qualifiers<_Tp, __unsigned_type> __cv_unsigned;
+
+    public:
+      typedef typename __cv_unsigned::__type __type;
+    };
+
+  template<typename _Tp>
+    class __make_unsigned_selector<_Tp, false, true>
+    {
+
+      typedef unsigned char __smallest;
+      static const bool __b0 = sizeof(_Tp) <= sizeof(__smallest);
+      static const bool __b1 = sizeof(_Tp) <= sizeof(unsigned short);
+      static const bool __b2 = sizeof(_Tp) <= sizeof(unsigned int);
+      static const bool __b3 = sizeof(_Tp) <= sizeof(unsigned long);
+      typedef conditional<__b3, unsigned long, unsigned long long> __cond3;
+      typedef typename __cond3::type __cond3_type;
+      typedef conditional<__b2, unsigned int, __cond3_type> __cond2;
+      typedef typename __cond2::type __cond2_type;
+      typedef conditional<__b1, unsigned short, __cond2_type> __cond1;
+      typedef typename __cond1::type __cond1_type;
+
+      typedef typename conditional<__b0, __smallest, __cond1_type>::type
+ __unsigned_type;
+      typedef __match_cv_qualifiers<_Tp, __unsigned_type> __cv_unsigned;
+
+    public:
+      typedef typename __cv_unsigned::__type __type;
+    };
+
+
+
+
+
+  template<typename _Tp>
+    struct make_unsigned
+    { typedef typename __make_unsigned_selector<_Tp>::__type type; };
+
+
+  template<>
+    struct make_unsigned<bool>;
+
+
+
+  template<typename _Tp>
+    struct __make_signed
+    { typedef _Tp __type; };
+
+  template<>
+    struct __make_signed<char>
+    { typedef signed char __type; };
+
+  template<>
+    struct __make_signed<unsigned char>
+    { typedef signed char __type; };
+
+  template<>
+    struct __make_signed<unsigned short>
+    { typedef signed short __type; };
+
+  template<>
+    struct __make_signed<unsigned int>
+    { typedef signed int __type; };
+
+  template<>
+    struct __make_signed<unsigned long>
+    { typedef signed long __type; };
+
+  template<>
+    struct __make_signed<unsigned long long>
+    { typedef signed long long __type; };
+# 1813 "/aux/hubicka/trunk-install/include/c++/6.0.0/type_traits" 3
+  template<>
+    struct __make_signed<char16_t> : __make_signed<uint_least16_t>
+    { };
+  template<>
+    struct __make_signed<char32_t> : __make_signed<uint_least32_t>
+    { };
+
+
+
+  template<>
+    struct __make_signed<unsigned __int128>
+    { typedef __int128 __type; };
+# 1843 "/aux/hubicka/trunk-install/include/c++/6.0.0/type_traits" 3
+  template<typename _Tp,
+    bool _IsInt = is_integral<_Tp>::value,
+    bool _IsEnum = is_enum<_Tp>::value>
+    class __make_signed_selector;
+
+  template<typename _Tp>
+    class __make_signed_selector<_Tp, true, false>
+    {
+      typedef __make_signed<typename remove_cv<_Tp>::type> __signedt;
+      typedef typename __signedt::__type __signed_type;
+      typedef __match_cv_qualifiers<_Tp, __signed_type> __cv_signed;
+
+    public:
+      typedef typename __cv_signed::__type __type;
+    };
+
+  template<typename _Tp>
+    class __make_signed_selector<_Tp, false, true>
+    {
+      typedef typename __make_unsigned_selector<_Tp>::__type __unsigned_type;
+
+    public:
+      typedef typename __make_signed_selector<__unsigned_type>::__type __type;
+    };
+
+
+
+
+
+  template<typename _Tp>
+    struct make_signed
+    { typedef typename __make_signed_selector<_Tp>::__type type; };
+
+
+  template<>
+    struct make_signed<bool>;
+
+
+
+  template<typename _Tp>
+    using make_signed_t = typename make_signed<_Tp>::type;
+
+
+  template<typename _Tp>
+    using make_unsigned_t = typename make_unsigned<_Tp>::type;
+
+
+
+
+
+  template<typename _Tp>
+    struct remove_extent
+    { typedef _Tp type; };
+
+  template<typename _Tp, std::size_t _Size>
+    struct remove_extent<_Tp[_Size]>
+    { typedef _Tp type; };
+
+  template<typename _Tp>
+    struct remove_extent<_Tp[]>
+    { typedef _Tp type; };
+
+
+  template<typename _Tp>
+    struct remove_all_extents
+    { typedef _Tp type; };
+
+  template<typename _Tp, std::size_t _Size>
+    struct remove_all_extents<_Tp[_Size]>
+    { typedef typename remove_all_extents<_Tp>::type type; };
+
+  template<typename _Tp>
+    struct remove_all_extents<_Tp[]>
+    { typedef typename remove_all_extents<_Tp>::type type; };
+
+
+
+  template<typename _Tp>
+    using remove_extent_t = typename remove_extent<_Tp>::type;
+
+
+  template<typename _Tp>
+    using remove_all_extents_t = typename remove_all_extents<_Tp>::type;
+
+
+
+
+  template<typename _Tp, typename>
+    struct __remove_pointer_helper
+    { typedef _Tp type; };
+
+  template<typename _Tp, typename _Up>
+    struct __remove_pointer_helper<_Tp, _Up*>
+    { typedef _Up type; };
+
+
+  template<typename _Tp>
+    struct remove_pointer
+    : public __remove_pointer_helper<_Tp, typename remove_cv<_Tp>::type>
+    { };
+
+
+  template<typename _Tp, bool = __or_<__is_referenceable<_Tp>,
+          is_void<_Tp>>::value>
+    struct __add_pointer_helper
+    { typedef _Tp type; };
+
+  template<typename _Tp>
+    struct __add_pointer_helper<_Tp, true>
+    { typedef typename remove_reference<_Tp>::type* type; };
+
+  template<typename _Tp>
+    struct add_pointer
+    : public __add_pointer_helper<_Tp>
+    { };
+
+
+
+  template<typename _Tp>
+    using remove_pointer_t = typename remove_pointer<_Tp>::type;
+
+
+  template<typename _Tp>
+    using add_pointer_t = typename add_pointer<_Tp>::type;
+
+
+  template<std::size_t _Len>
+    struct __aligned_storage_msa
+    {
+      union __type
+      {
+ unsigned char __data[_Len];
+ struct __attribute__((__aligned__)) { } __align;
+      };
+    };
+# 1989 "/aux/hubicka/trunk-install/include/c++/6.0.0/type_traits" 3
+  template<std::size_t _Len, std::size_t _Align =
+    __alignof__(typename __aligned_storage_msa<_Len>::__type)>
+    struct aligned_storage
+    {
+      union type
+      {
+ unsigned char __data[_Len];
+ struct __attribute__((__aligned__((_Align)))) { } __align;
+      };
+    };
+
+  template <typename... _Types>
+    struct __strictest_alignment
+    {
+      static const size_t _S_alignment = 0;
+      static const size_t _S_size = 0;
+    };
+
+  template <typename _Tp, typename... _Types>
+    struct __strictest_alignment<_Tp, _Types...>
+    {
+      static const size_t _S_alignment =
+        alignof(_Tp) > __strictest_alignment<_Types...>::_S_alignment
+ ? alignof(_Tp) : __strictest_alignment<_Types...>::_S_alignment;
+      static const size_t _S_size =
+        sizeof(_Tp) > __strictest_alignment<_Types...>::_S_size
+ ? sizeof(_Tp) : __strictest_alignment<_Types...>::_S_size;
+    };
+# 2028 "/aux/hubicka/trunk-install/include/c++/6.0.0/type_traits" 3
+  template <size_t _Len, typename... _Types>
+    struct aligned_union
+    {
+    private:
+      static_assert(sizeof...(_Types) != 0, "At least one type is required");
+
+      using __strictest = __strictest_alignment<_Types...>;
+      static const size_t _S_len = _Len > __strictest::_S_size
+ ? _Len : __strictest::_S_size;
+    public:
+
+      static const size_t alignment_value = __strictest::_S_alignment;
+
+      typedef typename aligned_storage<_S_len, alignment_value>::type type;
+    };
+
+  template <size_t _Len, typename... _Types>
+    const size_t aligned_union<_Len, _Types...>::alignment_value;
+
+
+
+  template<typename _Up,
+    bool _IsArray = is_array<_Up>::value,
+    bool _IsFunction = is_function<_Up>::value>
+    struct __decay_selector;
+
+
+  template<typename _Up>
+    struct __decay_selector<_Up, false, false>
+    { typedef typename remove_cv<_Up>::type __type; };
+
+  template<typename _Up>
+    struct __decay_selector<_Up, true, false>
+    { typedef typename remove_extent<_Up>::type* __type; };
+
+  template<typename _Up>
+    struct __decay_selector<_Up, false, true>
+    { typedef typename add_pointer<_Up>::type __type; };
+
+
+  template<typename _Tp>
+    class decay
+    {
+      typedef typename remove_reference<_Tp>::type __remove_type;
+
+    public:
+      typedef typename __decay_selector<__remove_type>::__type type;
+    };
+
+  template<typename _Tp>
+    class reference_wrapper;
+
+
+  template<typename _Tp>
+    struct __strip_reference_wrapper
+    {
+      typedef _Tp __type;
+    };
+
+  template<typename _Tp>
+    struct __strip_reference_wrapper<reference_wrapper<_Tp> >
+    {
+      typedef _Tp& __type;
+    };
+
+  template<typename _Tp>
+    struct __decay_and_strip
+    {
+      typedef typename __strip_reference_wrapper<
+ typename decay<_Tp>::type>::__type __type;
+    };
+
+
+
+
+  template<bool, typename _Tp = void>
+    struct enable_if
+    { };
+
+
+  template<typename _Tp>
+    struct enable_if<true, _Tp>
+    { typedef _Tp type; };
+
+  template<typename... _Cond>
+    using _Require = typename enable_if<__and_<_Cond...>::value>::type;
+
+
+
+  template<bool _Cond, typename _Iftrue, typename _Iffalse>
+    struct conditional
+    { typedef _Iftrue type; };
+
+
+  template<typename _Iftrue, typename _Iffalse>
+    struct conditional<false, _Iftrue, _Iffalse>
+    { typedef _Iffalse type; };
+
+
+  template<typename... _Tp>
+    struct common_type;
+
+
+
+  struct __do_common_type_impl
+  {
+    template<typename _Tp, typename _Up>
+      static __success_type<typename decay<decltype
+       (true ? std::declval<_Tp>()
+        : std::declval<_Up>())>::type> _S_test(int);
+
+    template<typename, typename>
+      static __failure_type _S_test(...);
+  };
+
+  template<typename _Tp, typename _Up>
+    struct __common_type_impl
+    : private __do_common_type_impl
+    {
+      typedef decltype(_S_test<_Tp, _Up>(0)) type;
+    };
+
+  struct __do_member_type_wrapper
+  {
+    template<typename _Tp>
+      static __success_type<typename _Tp::type> _S_test(int);
+
+    template<typename>
+      static __failure_type _S_test(...);
+  };
+
+  template<typename _Tp>
+    struct __member_type_wrapper
+    : private __do_member_type_wrapper
+    {
+      typedef decltype(_S_test<_Tp>(0)) type;
+    };
+
+  template<typename _CTp, typename... _Args>
+    struct __expanded_common_type_wrapper
+    {
+      typedef common_type<typename _CTp::type, _Args...> type;
+    };
+
+  template<typename... _Args>
+    struct __expanded_common_type_wrapper<__failure_type, _Args...>
+    { typedef __failure_type type; };
+
+  template<typename _Tp>
+    struct common_type<_Tp>
+    { typedef typename decay<_Tp>::type type; };
+
+  template<typename _Tp, typename _Up>
+    struct common_type<_Tp, _Up>
+    : public __common_type_impl<_Tp, _Up>::type
+    { };
+
+  template<typename _Tp, typename _Up, typename... _Vp>
+    struct common_type<_Tp, _Up, _Vp...>
+    : public __expanded_common_type_wrapper<typename __member_type_wrapper<
+               common_type<_Tp, _Up>>::type, _Vp...>::type
+    { };
+
+
+  template<typename _Tp>
+    struct underlying_type
+    {
+      typedef __underlying_type(_Tp) type;
+    };
+
+  template<typename _Tp>
+    struct __declval_protector
+    {
+      static const bool __stop = false;
+      static typename add_rvalue_reference<_Tp>::type __delegate();
+    };
+
+  template<typename _Tp>
+    inline typename add_rvalue_reference<_Tp>::type
+    declval() noexcept
+    {
+      static_assert(__declval_protector<_Tp>::__stop,
+      "declval() must not be used!");
+      return __declval_protector<_Tp>::__delegate();
+    }
+
+
+  template<typename _Signature>
+    class result_of;
+
+
+
+
+
+
+  struct __result_of_memfun_ref_impl
+  {
+    template<typename _Fp, typename _Tp1, typename... _Args>
+      static __success_type<decltype(
+      (std::declval<_Tp1>().*std::declval<_Fp>())(std::declval<_Args>()...)
+      )> _S_test(int);
+
+    template<typename...>
+      static __failure_type _S_test(...);
+  };
+
+  template<typename _MemPtr, typename _Arg, typename... _Args>
+    struct __result_of_memfun_ref
+    : private __result_of_memfun_ref_impl
+    {
+      typedef decltype(_S_test<_MemPtr, _Arg, _Args...>(0)) type;
+    };
+
+
+  struct __result_of_memfun_deref_impl
+  {
+    template<typename _Fp, typename _Tp1, typename... _Args>
+      static __success_type<decltype(
+      ((*std::declval<_Tp1>()).*std::declval<_Fp>())(std::declval<_Args>()...)
+      )> _S_test(int);
+
+    template<typename...>
+      static __failure_type _S_test(...);
+  };
+
+  template<typename _MemPtr, typename _Arg, typename... _Args>
+    struct __result_of_memfun_deref
+    : private __result_of_memfun_deref_impl
+    {
+      typedef decltype(_S_test<_MemPtr, _Arg, _Args...>(0)) type;
+    };
+
+
+  struct __result_of_memobj_ref_impl
+  {
+    template<typename _Fp, typename _Tp1>
+      static __success_type<decltype(
+      std::declval<_Tp1>().*std::declval<_Fp>()
+      )> _S_test(int);
+
+    template<typename, typename>
+      static __failure_type _S_test(...);
+  };
+
+  template<typename _MemPtr, typename _Arg>
+    struct __result_of_memobj_ref
+    : private __result_of_memobj_ref_impl
+    {
+      typedef decltype(_S_test<_MemPtr, _Arg>(0)) type;
+    };
+
+
+  struct __result_of_memobj_deref_impl
+  {
+    template<typename _Fp, typename _Tp1>
+      static __success_type<decltype(
+      (*std::declval<_Tp1>()).*std::declval<_Fp>()
+      )> _S_test(int);
+
+    template<typename, typename>
+      static __failure_type _S_test(...);
+  };
+
+  template<typename _MemPtr, typename _Arg>
+    struct __result_of_memobj_deref
+    : private __result_of_memobj_deref_impl
+    {
+      typedef decltype(_S_test<_MemPtr, _Arg>(0)) type;
+    };
+
+  template<typename _MemPtr, typename _Arg>
+    struct __result_of_memobj;
+
+  template<typename _Res, typename _Class, typename _Arg>
+    struct __result_of_memobj<_Res _Class::*, _Arg>
+    {
+      typedef typename remove_cv<typename remove_reference<
+        _Arg>::type>::type _Argval;
+      typedef _Res _Class::* _MemPtr;
+      typedef typename conditional<__or_<is_same<_Argval, _Class>,
+        is_base_of<_Class, _Argval>>::value,
+        __result_of_memobj_ref<_MemPtr, _Arg>,
+        __result_of_memobj_deref<_MemPtr, _Arg>
+      >::type::type type;
+    };
+
+  template<typename _MemPtr, typename _Arg, typename... _Args>
+    struct __result_of_memfun;
+
+  template<typename _Res, typename _Class, typename _Arg, typename... _Args>
+    struct __result_of_memfun<_Res _Class::*, _Arg, _Args...>
+    {
+      typedef typename remove_cv<typename remove_reference<
+        _Arg>::type>::type _Argval;
+      typedef _Res _Class::* _MemPtr;
+      typedef typename conditional<__or_<is_same<_Argval, _Class>,
+        is_base_of<_Class, _Argval>>::value,
+        __result_of_memfun_ref<_MemPtr, _Arg, _Args...>,
+        __result_of_memfun_deref<_MemPtr, _Arg, _Args...>
+      >::type::type type;
+    };
+
+  template<bool, bool, typename _Functor, typename... _ArgTypes>
+    struct __result_of_impl
+    {
+      typedef __failure_type type;
+    };
+
+  template<typename _MemPtr, typename _Arg>
+    struct __result_of_impl<true, false, _MemPtr, _Arg>
+    : public __result_of_memobj<typename decay<_MemPtr>::type, _Arg>
+    { };
+
+  template<typename _MemPtr, typename _Arg, typename... _Args>
+    struct __result_of_impl<false, true, _MemPtr, _Arg, _Args...>
+    : public __result_of_memfun<typename decay<_MemPtr>::type, _Arg, _Args...>
+    { };
+
+
+  struct __result_of_other_impl
+  {
+    template<typename _Fn, typename... _Args>
+      static __success_type<decltype(
+      std::declval<_Fn>()(std::declval<_Args>()...)
+      )> _S_test(int);
+
+    template<typename...>
+      static __failure_type _S_test(...);
+  };
+
+  template<typename _Functor, typename... _ArgTypes>
+    struct __result_of_impl<false, false, _Functor, _ArgTypes...>
+    : private __result_of_other_impl
+    {
+      typedef decltype(_S_test<_Functor, _ArgTypes...>(0)) type;
+    };
+
+  template<typename _Functor, typename... _ArgTypes>
+    struct result_of<_Functor(_ArgTypes...)>
+    : public __result_of_impl<
+        is_member_object_pointer<
+          typename remove_reference<_Functor>::type
+        >::value,
+        is_member_function_pointer<
+          typename remove_reference<_Functor>::type
+        >::value,
+     _Functor, _ArgTypes...
+      >::type
+    { };
+
+
+
+  template<size_t _Len, size_t _Align =
+     __alignof__(typename __aligned_storage_msa<_Len>::__type)>
+    using aligned_storage_t = typename aligned_storage<_Len, _Align>::type;
+
+  template <size_t _Len, typename... _Types>
+    using aligned_union_t = typename aligned_union<_Len, _Types...>::type;
+
+
+  template<typename _Tp>
+    using decay_t = typename decay<_Tp>::type;
+
+
+  template<bool _Cond, typename _Tp = void>
+    using enable_if_t = typename enable_if<_Cond, _Tp>::type;
+
+
+  template<bool _Cond, typename _Iftrue, typename _Iffalse>
+    using conditional_t = typename conditional<_Cond, _Iftrue, _Iffalse>::type;
+
+
+  template<typename... _Tp>
+    using common_type_t = typename common_type<_Tp...>::type;
+
+
+  template<typename _Tp>
+    using underlying_type_t = typename underlying_type<_Tp>::type;
+
+
+  template<typename _Tp>
+    using result_of_t = typename result_of<_Tp>::type;
+
+
+  template<typename...> using __void_t = void;
+
+
+
+
+  template<typename...> using void_t = void;
+
+
+
+  template<typename _Default, typename _AlwaysVoid,
+    template<typename...> class _Op, typename... _Args>
+    struct __detector
+    {
+      using value_t = false_type;
+      using type = _Default;
+    };
+
+
+  template<typename _Default, template<typename...> class _Op,
+     typename... _Args>
+    struct __detector<_Default, __void_t<_Op<_Args...>>, _Op, _Args...>
+    {
+      using value_t = true_type;
+      using type = _Op<_Args...>;
+    };
+
+
+  template<typename _Default, template<typename...> class _Op,
+    typename... _Args>
+    using __detected_or = __detector<_Default, void, _Op, _Args...>;
+
+
+  template<typename _Default, template<typename...> class _Op,
+    typename... _Args>
+    using __detected_or_t
+      = typename __detected_or<_Default, _Op, _Args...>::type;
+
+
+  template<template<typename...> class _Default,
+    template<typename...> class _Op, typename... _Args>
+    using __detected_or_t_ =
+      __detected_or_t<_Default<_Args...>, _Op, _Args...>;
+# 2472 "/aux/hubicka/trunk-install/include/c++/6.0.0/type_traits" 3
+   namespace __is_swappable_impl {
+     template <typename _Tp, typename=void>
+     struct __is_swappable : public false_type
+     { };
+   }
+
+  template<typename _Tp>
+    inline
+    typename enable_if<__and_<is_move_constructible<_Tp>,
+         is_move_assignable<_Tp>>::value>::type
+    swap(_Tp&, _Tp&)
+    noexcept(__and_<is_nothrow_move_constructible<_Tp>,
+             is_nothrow_move_assignable<_Tp>>::value);
+
+  template<typename _Tp, size_t _Nm>
+    inline
+    typename enable_if<__is_swappable_impl::__is_swappable<_Tp>::value>::type
+    swap(_Tp (&__a)[_Nm], _Tp (&__b)[_Nm])
+    noexcept(noexcept(swap(*__a, *__b)));
+
+  namespace __is_swappable_impl {
+    using std::swap;
+
+    template <typename _Tp>
+    struct __is_swappable<_Tp, __void_t<decltype(swap(declval<_Tp&>(),
+                                                      declval<_Tp&>()))>>
+    : public true_type
+    { };
+  }
+
+  template <bool, typename _Tp>
+    struct __is_nothrow_swappable_impl
+    : public __bool_constant<noexcept(swap(declval<_Tp&>(), declval<_Tp&>()))>
+    { };
+
+  template <typename _Tp>
+    struct __is_nothrow_swappable_impl<false, _Tp> : public false_type
+    { };
+
+  template <typename _Tp>
+    struct __is_nothrow_swappable
+    : public __is_nothrow_swappable_impl<
+               __is_swappable_impl::__is_swappable<_Tp>::value, _Tp>
+    { };
+
+
+}
+# 58 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/move.h" 2 3
+
+namespace std __attribute__ ((__visibility__ ("default")))
+{
+
+# 74 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/move.h" 3
+  template<typename _Tp>
+    constexpr _Tp&&
+    forward(typename std::remove_reference<_Tp>::type& __t) noexcept
+    { return static_cast<_Tp&&>(__t); }
+
+
+
+
+
+
+
+  template<typename _Tp>
+    constexpr _Tp&&
+    forward(typename std::remove_reference<_Tp>::type&& __t) noexcept
+    {
+      static_assert(!std::is_lvalue_reference<_Tp>::value, "template argument"
+      " substituting _Tp is an lvalue reference type");
+      return static_cast<_Tp&&>(__t);
+    }
+
+
+
+
+
+
+  template<typename _Tp>
+    constexpr typename std::remove_reference<_Tp>::type&&
+    move(_Tp&& __t) noexcept
+    { return static_cast<typename std::remove_reference<_Tp>::type&&>(__t); }
+
+
+  template<typename _Tp>
+    struct __move_if_noexcept_cond
+    : public __and_<__not_<is_nothrow_move_constructible<_Tp>>,
+                    is_copy_constructible<_Tp>>::type { };
+# 118 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/move.h" 3
+  template<typename _Tp>
+    constexpr typename
+    conditional<__move_if_noexcept_cond<_Tp>::value, const _Tp&, _Tp&&>::type
+    move_if_noexcept(_Tp& __x) noexcept
+    { return std::move(__x); }
+# 133 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/move.h" 3
+  template<typename _Tp>
+    inline _Tp*
+    addressof(_Tp& __r) noexcept
+    { return std::__addressof(__r); }
+
+
+  template <typename _Tp, typename _Up = _Tp>
+    inline _Tp
+    __exchange(_Tp& __obj, _Up&& __new_val)
+    {
+      _Tp __old_val = std::move(__obj);
+      __obj = std::forward<_Up>(__new_val);
+      return __old_val;
+    }
+
+
+
+}
+# 159 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/move.h" 3
+namespace std __attribute__ ((__visibility__ ("default")))
+{
+
+# 174 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/move.h" 3
+  template<typename _Tp>
+    inline
+
+    typename enable_if<__and_<is_move_constructible<_Tp>,
+         is_move_assignable<_Tp>>::value>::type
+    swap(_Tp& __a, _Tp& __b)
+    noexcept(__and_<is_nothrow_move_constructible<_Tp>,
+             is_nothrow_move_assignable<_Tp>>::value)
+
+
+
+
+    {
+
+     
+
+      _Tp __tmp = std::move(__a);
+      __a = std::move(__b);
+      __b = std::move(__tmp);
+    }
+
+
+
+
+  template<typename _Tp, size_t _Nm>
+    inline
+
+    typename enable_if<__is_swappable_impl::__is_swappable<_Tp>::value>::type
+    swap(_Tp (&__a)[_Nm], _Tp (&__b)[_Nm])
+    noexcept(noexcept(swap(*__a, *__b)))
+
+
+
+
+    {
+      for (size_t __n = 0; __n < _Nm; ++__n)
+ swap(__a[__n], __b[__n]);
+    }
+
+
+
+}
+# 60 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/stl_pair.h" 2 3
+
+
+
+
+
+namespace std __attribute__ ((__visibility__ ("default")))
+{
+
+# 76 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/stl_pair.h" 3
+  struct piecewise_construct_t { };
+
+
+  constexpr piecewise_construct_t piecewise_construct = piecewise_construct_t();
+
+
+  template<typename...>
+    class tuple;
+
+  template<std::size_t...>
+    struct _Index_tuple;
+
+
+
+  template <typename _T1, typename _T2, typename _U1, typename _U2>
+  constexpr bool _ConstructiblePair()
+  {
+    return __and_<is_constructible<_T1, const _U1&>,
+    is_constructible<_T2, const _U2&>>::value;
+  }
+
+  template <typename _T1, typename _T2, typename _U1, typename _U2>
+  constexpr bool _ImplicitlyConvertiblePair()
+  {
+    return __and_<is_convertible<const _U1&, _T1>,
+    is_convertible<const _U2&, _T2>>::value;
+  }
+
+  template <typename _T1, typename _T2, typename _U1, typename _U2>
+  constexpr bool _MoveConstructiblePair()
+  {
+    return __and_<is_constructible<_T1, _U1&&>,
+    is_constructible<_T2, _U2&&>>::value;
+  }
+
+  template <typename _T1, typename _T2, typename _U1, typename _U2>
+  constexpr bool _ImplicitlyMoveConvertiblePair()
+  {
+    return __and_<is_convertible<_U1&&, _T1>,
+    is_convertible<_U2&&, _T2>>::value;
+  }
+# 127 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/stl_pair.h" 3
+  template<typename _T1, typename _T2>
+    struct pair
+    {
+      typedef _T1 first_type;
+      typedef _T2 second_type;
+
+      _T1 first;
+      _T2 second;
+
+
+
+
+
+
+      template <typename _U1 = _T1,
+                typename _U2 = _T2,
+                typename enable_if<__and_<
+                                     is_default_constructible<_U1>,
+                                     is_default_constructible<_U2>>
+                                   ::value, bool>::type = true>
+
+      constexpr pair()
+      : first(), second() { }
+
+
+
+
+
+
+      template<typename _U1 = _T1, typename _U2=_T2, typename
+                enable_if<_ConstructiblePair<_T1, _T2, _U1, _U2>()
+                         && _ImplicitlyConvertiblePair<_T1, _T2, _U1, _U2>(),
+                         bool>::type=true>
+      constexpr pair(const _T1& __a, const _T2& __b)
+      : first(__a), second(__b) { }
+
+       template<typename _U1 = _T1, typename _U2=_T2, typename
+        enable_if<_ConstructiblePair<_T1, _T2, _U1, _U2>()
+                         && !_ImplicitlyConvertiblePair<_T1, _T2, _U1, _U2>(),
+                         bool>::type=false>
+      explicit constexpr pair(const _T1& __a, const _T2& __b)
+      : first(__a), second(__b) { }
+# 177 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/stl_pair.h" 3
+      template<typename _U1, typename _U2, typename
+        enable_if<_ConstructiblePair<_T1, _T2, _U1, _U2>()
+                         && _ImplicitlyConvertiblePair<_T1, _T2, _U1, _U2>(),
+                         bool>::type=true>
+        constexpr pair(const pair<_U1, _U2>& __p)
+        : first(__p.first), second(__p.second) { }
+
+      template<typename _U1, typename _U2, typename
+               enable_if<_ConstructiblePair<_T1, _T2, _U1, _U2>()
+                         && !_ImplicitlyConvertiblePair<_T1, _T2, _U1, _U2>(),
+                         bool>::type=false>
+ explicit constexpr pair(const pair<_U1, _U2>& __p)
+ : first(__p.first), second(__p.second) { }
+
+      constexpr pair(const pair&) = default;
+      constexpr pair(pair&&) = default;
+
+
+      template<typename _U1, typename
+               enable_if<_ConstructiblePair<_T2, _T2, _T2, _T2>()
+                         && _MoveConstructiblePair<_T1, _T2, _U1, _T2>()
+                         && _ImplicitlyConvertiblePair<_T2, _T2, _T2, _T2>()
+                         && _ImplicitlyMoveConvertiblePair<_T1, _T2,
+         _U1, _T2>(),
+                         bool>::type=true>
+       constexpr pair(_U1&& __x, const _T2& __y)
+       : first(std::forward<_U1>(__x)), second(__y) { }
+
+      template<typename _U1, typename
+               enable_if<_ConstructiblePair<_T2, _T2, _T2, _T2>()
+                         && _MoveConstructiblePair<_T1, _T2, _U1, _T2>()
+                         && (!_ImplicitlyConvertiblePair<_T2, _T2, _T2, _T2>()
+                             || !_ImplicitlyMoveConvertiblePair<_T1, _T2,
+                                                                _U1, _T2>()),
+                         bool>::type=false>
+       explicit constexpr pair(_U1&& __x, const _T2& __y)
+       : first(std::forward<_U1>(__x)), second(__y) { }
+
+      template<typename _U2, typename
+               enable_if<_ConstructiblePair<_T1, _T1, _T1, _T1>()
+                         && _MoveConstructiblePair<_T1, _T2, _T1, _U2>()
+                         && _ImplicitlyConvertiblePair<_T1, _T1, _T1, _T1>()
+                         && _ImplicitlyMoveConvertiblePair<_T1, _T2,
+                                                           _T1, _U2>(),
+                         bool>::type=true>
+       constexpr pair(const _T1& __x, _U2&& __y)
+       : first(__x), second(std::forward<_U2>(__y)) { }
+
+      template<typename _U2, typename
+               enable_if<_ConstructiblePair<_T1, _T1, _T1, _T1>()
+                         && _MoveConstructiblePair<_T1, _T2, _T1, _U2>()
+                         && (!_ImplicitlyConvertiblePair<_T1, _T1, _T1, _T1>()
+                             || !_ImplicitlyMoveConvertiblePair<_T1, _T2,
+                                                                _T1, _U2>()),
+                         bool>::type=false>
+       explicit pair(const _T1& __x, _U2&& __y)
+       : first(__x), second(std::forward<_U2>(__y)) { }
+
+      template<typename _U1, typename _U2, typename
+        enable_if<_MoveConstructiblePair<_T1, _T2, _U1, _U2>()
+                         && _ImplicitlyMoveConvertiblePair<_T1, _T2,
+          _U1, _U2>(),
+                         bool>::type=true>
+ constexpr pair(_U1&& __x, _U2&& __y)
+ : first(std::forward<_U1>(__x)), second(std::forward<_U2>(__y)) { }
+
+      template<typename _U1, typename _U2, typename
+        enable_if<_MoveConstructiblePair<_T1, _T2, _U1, _U2>()
+                         && !_ImplicitlyMoveConvertiblePair<_T1, _T2,
+           _U1, _U2>(),
+                         bool>::type=false>
+ explicit constexpr pair(_U1&& __x, _U2&& __y)
+ : first(std::forward<_U1>(__x)), second(std::forward<_U2>(__y)) { }
+
+
+      template<typename _U1, typename _U2, typename
+        enable_if<_MoveConstructiblePair<_T1, _T2, _U1, _U2>()
+                         && _ImplicitlyMoveConvertiblePair<_T1, _T2,
+          _U1, _U2>(),
+                         bool>::type=true>
+ constexpr pair(pair<_U1, _U2>&& __p)
+ : first(std::forward<_U1>(__p.first)),
+   second(std::forward<_U2>(__p.second)) { }
+
+      template<typename _U1, typename _U2, typename
+        enable_if<_MoveConstructiblePair<_T1, _T2, _U1, _U2>()
+                         && !_ImplicitlyMoveConvertiblePair<_T1, _T2,
+          _U1, _U2>(),
+                         bool>::type=false>
+ explicit constexpr pair(pair<_U1, _U2>&& __p)
+ : first(std::forward<_U1>(__p.first)),
+   second(std::forward<_U2>(__p.second)) { }
+
+      template<typename... _Args1, typename... _Args2>
+        pair(piecewise_construct_t, tuple<_Args1...>, tuple<_Args2...>);
+
+      pair&
+      operator=(const pair& __p)
+      {
+ first = __p.first;
+ second = __p.second;
+ return *this;
+      }
+
+      pair&
+      operator=(pair&& __p)
+      noexcept(__and_<is_nothrow_move_assignable<_T1>,
+               is_nothrow_move_assignable<_T2>>::value)
+      {
+ first = std::forward<first_type>(__p.first);
+ second = std::forward<second_type>(__p.second);
+ return *this;
+      }
+
+      template<typename _U1, typename _U2>
+ pair&
+ operator=(const pair<_U1, _U2>& __p)
+ {
+   first = __p.first;
+   second = __p.second;
+   return *this;
+ }
+
+      template<typename _U1, typename _U2>
+ pair&
+ operator=(pair<_U1, _U2>&& __p)
+ {
+   first = std::forward<_U1>(__p.first);
+   second = std::forward<_U2>(__p.second);
+   return *this;
+ }
+
+      void
+      swap(pair& __p)
+      noexcept(__is_nothrow_swappable<_T1>::value
+               && __is_nothrow_swappable<_T2>::value)
+      {
+ using std::swap;
+ swap(first, __p.first);
+ swap(second, __p.second);
+      }
+
+    private:
+      template<typename... _Args1, std::size_t... _Indexes1,
+               typename... _Args2, std::size_t... _Indexes2>
+        pair(tuple<_Args1...>&, tuple<_Args2...>&,
+             _Index_tuple<_Indexes1...>, _Index_tuple<_Indexes2...>);
+
+    };
+
+
+  template<typename _T1, typename _T2>
+    inline constexpr bool
+    operator==(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y)
+    { return __x.first == __y.first && __x.second == __y.second; }
+
+
+  template<typename _T1, typename _T2>
+    inline constexpr bool
+    operator<(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y)
+    { return __x.first < __y.first
+      || (!(__y.first < __x.first) && __x.second < __y.second); }
+
+
+  template<typename _T1, typename _T2>
+    inline constexpr bool
+    operator!=(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y)
+    { return !(__x == __y); }
+
+
+  template<typename _T1, typename _T2>
+    inline constexpr bool
+    operator>(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y)
+    { return __y < __x; }
+
+
+  template<typename _T1, typename _T2>
+    inline constexpr bool
+    operator<=(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y)
+    { return !(__y < __x); }
+
+
+  template<typename _T1, typename _T2>
+    inline constexpr bool
+    operator>=(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y)
+    { return !(__x < __y); }
+
+
+
+
+
+  template<typename _T1, typename _T2>
+    inline void
+    swap(pair<_T1, _T2>& __x, pair<_T1, _T2>& __y)
+    noexcept(noexcept(__x.swap(__y)))
+    { __x.swap(__y); }
+# 389 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/stl_pair.h" 3
+  template<typename _T1, typename _T2>
+    constexpr pair<typename __decay_and_strip<_T1>::__type,
+                   typename __decay_and_strip<_T2>::__type>
+    make_pair(_T1&& __x, _T2&& __y)
+    {
+      typedef typename __decay_and_strip<_T1>::__type __ds_type1;
+      typedef typename __decay_and_strip<_T2>::__type __ds_type2;
+      typedef pair<__ds_type1, __ds_type2> __pair_type;
+      return __pair_type(std::forward<_T1>(__x), std::forward<_T2>(__y));
+    }
+# 408 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/stl_pair.h" 3
+
+}
+# 65 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/stl_algobase.h" 2 3
+# 1 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/stl_iterator_base_types.h" 1 3
+# 62 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/stl_iterator_base_types.h" 3
+       
+# 63 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/stl_iterator_base_types.h" 3
+
+
+
+
+
+
+
+namespace std __attribute__ ((__visibility__ ("default")))
+{
+
+# 89 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/stl_iterator_base_types.h" 3
+  struct input_iterator_tag { };
+
+
+  struct output_iterator_tag { };
+
+
+  struct forward_iterator_tag : public input_iterator_tag { };
+
+
+
+  struct bidirectional_iterator_tag : public forward_iterator_tag { };
+
+
+
+  struct random_access_iterator_tag : public bidirectional_iterator_tag { };
+# 116 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/stl_iterator_base_types.h" 3
+  template<typename _Category, typename _Tp, typename _Distance = ptrdiff_t,
+           typename _Pointer = _Tp*, typename _Reference = _Tp&>
+    struct iterator
+    {
+
+      typedef _Category iterator_category;
+
+      typedef _Tp value_type;
+
+      typedef _Distance difference_type;
+
+      typedef _Pointer pointer;
+
+      typedef _Reference reference;
+    };
+# 143 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/stl_iterator_base_types.h" 3
+  template<typename _Iterator, typename = __void_t<>>
+    struct __iterator_traits { };
+
+  template<typename _Iterator>
+    struct __iterator_traits<_Iterator,
+        __void_t<typename _Iterator::iterator_category,
+          typename _Iterator::value_type,
+          typename _Iterator::difference_type,
+          typename _Iterator::pointer,
+          typename _Iterator::reference>>
+    {
+      typedef typename _Iterator::iterator_category iterator_category;
+      typedef typename _Iterator::value_type value_type;
+      typedef typename _Iterator::difference_type difference_type;
+      typedef typename _Iterator::pointer pointer;
+      typedef typename _Iterator::reference reference;
+    };
+
+  template<typename _Iterator>
+    struct iterator_traits
+    : public __iterator_traits<_Iterator> { };
+# 177 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/stl_iterator_base_types.h" 3
+  template<typename _Tp>
+    struct iterator_traits<_Tp*>
+    {
+      typedef random_access_iterator_tag iterator_category;
+      typedef _Tp value_type;
+      typedef ptrdiff_t difference_type;
+      typedef _Tp* pointer;
+      typedef _Tp& reference;
+    };
+
+
+  template<typename _Tp>
+    struct iterator_traits<const _Tp*>
+    {
+      typedef random_access_iterator_tag iterator_category;
+      typedef _Tp value_type;
+      typedef ptrdiff_t difference_type;
+      typedef const _Tp* pointer;
+      typedef const _Tp& reference;
+    };
+
+
+
+
+
+  template<typename _Iter>
+    inline typename iterator_traits<_Iter>::iterator_category
+    __iterator_category(const _Iter&)
+    { return typename iterator_traits<_Iter>::iterator_category(); }
+# 230 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/stl_iterator_base_types.h" 3
+  template<typename _InIter>
+    using _RequireInputIter = typename
+      enable_if<is_convertible<typename
+  iterator_traits<_InIter>::iterator_category,
+          input_iterator_tag>::value>::type;
+
+
+
+}
+# 66 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/stl_algobase.h" 2 3
+# 1 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/stl_iterator_base_funcs.h" 1 3
+# 62 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/stl_iterator_base_funcs.h" 3
+       
+# 63 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/stl_iterator_base_funcs.h" 3
+
+
+# 1 "/aux/hubicka/trunk-install/include/c++/6.0.0/debug/assertions.h" 1 3
+# 66 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/stl_iterator_base_funcs.h" 2 3
+
+namespace std __attribute__ ((__visibility__ ("default")))
+{
+
+
+  template <typename> struct _List_iterator;
+  template <typename> struct _List_const_iterator;
+
+
+
+
+  template<typename _InputIterator>
+    inline typename iterator_traits<_InputIterator>::difference_type
+    __distance(_InputIterator __first, _InputIterator __last,
+               input_iterator_tag)
+    {
+
+     
+
+      typename iterator_traits<_InputIterator>::difference_type __n = 0;
+      while (__first != __last)
+ {
+   ++__first;
+   ++__n;
+ }
+      return __n;
+    }
+
+  template<typename _RandomAccessIterator>
+    inline typename iterator_traits<_RandomAccessIterator>::difference_type
+    __distance(_RandomAccessIterator __first, _RandomAccessIterator __last,
+               random_access_iterator_tag)
+    {
+
+     
+
+      return __last - __first;
+    }
+
+
+
+  template<typename _Tp>
+    ptrdiff_t
+    __distance(std::_List_iterator<_Tp>,
+        std::_List_iterator<_Tp>,
+        input_iterator_tag);
+
+  template<typename _Tp>
+    ptrdiff_t
+    __distance(std::_List_const_iterator<_Tp>,
+        std::_List_const_iterator<_Tp>,
+        input_iterator_tag);
+# 133 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/stl_iterator_base_funcs.h" 3
+  template<typename _InputIterator>
+    inline typename iterator_traits<_InputIterator>::difference_type
+    distance(_InputIterator __first, _InputIterator __last)
+    {
+
+      return std::__distance(__first, __last,
+        std::__iterator_category(__first));
+    }
+
+  template<typename _InputIterator, typename _Distance>
+    inline void
+    __advance(_InputIterator& __i, _Distance __n, input_iterator_tag)
+    {
+
+     
+      ;
+      while (__n--)
+ ++__i;
+    }
+
+  template<typename _BidirectionalIterator, typename _Distance>
+    inline void
+    __advance(_BidirectionalIterator& __i, _Distance __n,
+       bidirectional_iterator_tag)
+    {
+
+     
+
+      if (__n > 0)
+        while (__n--)
+   ++__i;
+      else
+        while (__n++)
+   --__i;
+    }
+
+  template<typename _RandomAccessIterator, typename _Distance>
+    inline void
+    __advance(_RandomAccessIterator& __i, _Distance __n,
+              random_access_iterator_tag)
+    {
+
+     
+
+      __i += __n;
+    }
+# 192 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/stl_iterator_base_funcs.h" 3
+  template<typename _InputIterator, typename _Distance>
+    inline void
+    advance(_InputIterator& __i, _Distance __n)
+    {
+
+      typename iterator_traits<_InputIterator>::difference_type __d = __n;
+      std::__advance(__i, __d, std::__iterator_category(__i));
+    }
+
+
+
+  template<typename _ForwardIterator>
+    inline _ForwardIterator
+    next(_ForwardIterator __x, typename
+  iterator_traits<_ForwardIterator>::difference_type __n = 1)
+    {
+
+     
+
+      std::advance(__x, __n);
+      return __x;
+    }
+
+  template<typename _BidirectionalIterator>
+    inline _BidirectionalIterator
+    prev(_BidirectionalIterator __x, typename
+  iterator_traits<_BidirectionalIterator>::difference_type __n = 1)
+    {
+
+     
+
+      std::advance(__x, -__n);
+      return __x;
+    }
+
+
+
+
+}
+# 67 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/stl_algobase.h" 2 3
+# 1 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/stl_iterator.h" 1 3
+# 66 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/stl_iterator.h" 3
+# 1 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/ptr_traits.h" 1 3
+# 37 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/ptr_traits.h" 3
+namespace std __attribute__ ((__visibility__ ("default")))
+{
+
+
+  class __undefined;
+
+
+  template<typename _Tp>
+    struct __get_first_arg
+    { using type = __undefined; };
+
+  template<template<typename, typename...> class _Template, typename _Tp,
+           typename... _Types>
+    struct __get_first_arg<_Template<_Tp, _Types...>>
+    { using type = _Tp; };
+
+  template<typename _Tp>
+    using __get_first_arg_t = typename __get_first_arg<_Tp>::type;
+
+
+  template<typename _Tp, typename _Up>
+    struct __replace_first_arg
+    { using type = __undefined; };
+
+  template<template<typename, typename...> class _Template, typename _Up,
+           typename _Tp, typename... _Types>
+    struct __replace_first_arg<_Template<_Tp, _Types...>, _Up>
+    { using type = _Template<_Up, _Types...>; };
+
+  template<typename _Tp, typename _Up>
+    using __replace_first_arg_t = typename __replace_first_arg<_Tp, _Up>::type;
+
+  template<typename _Tp>
+    using __make_not_void
+      = typename conditional<is_void<_Tp>::value, __undefined, _Tp>::type;
+
+
+
+
+
+  template<typename _Ptr>
+    struct pointer_traits
+    {
+    private:
+      template<typename _Tp>
+ using __element_type = typename _Tp::element_type;
+
+      template<typename _Tp>
+ using __difference_type = typename _Tp::difference_type;
+
+      template<typename _Tp, typename _Up>
+ using __rebind = typename _Tp::template rebind<_Up>;
+
+    public:
+
+      using pointer = _Ptr;
+
+
+      using element_type
+ = __detected_or_t_<__get_first_arg_t, __element_type, _Ptr>;
+
+
+      using difference_type
+ = __detected_or_t<ptrdiff_t, __difference_type, _Ptr>;
+
+
+      template<typename _Up>
+        using rebind
+   = __detected_or_t_<__replace_first_arg_t, __rebind, _Ptr, _Up>;
+
+      static _Ptr
+      pointer_to(__make_not_void<element_type>& __e)
+      { return _Ptr::pointer_to(__e); }
+
+      static_assert(!is_same<element_type, __undefined>::value,
+   "pointer type defines element_type or is like SomePointer<T, Args>");
+      static_assert(!is_same<rebind<element_type>, __undefined>::value,
+   "pointer type defines rebind<U> or is like SomePointer<T, Args>");
+    };
+
+
+
+
+
+  template<typename _Tp>
+    struct pointer_traits<_Tp*>
+    {
+
+      typedef _Tp* pointer;
+
+      typedef _Tp element_type;
+
+      typedef ptrdiff_t difference_type;
+
+      template<typename _Up>
+        using rebind = _Up*;
+
+
+
+
+
+
+      static pointer
+      pointer_to(__make_not_void<element_type>& __r) noexcept
+      { return std::addressof(__r); }
+    };
+
+
+  template<typename _Ptr, typename _Tp>
+    using __ptr_rebind = typename pointer_traits<_Ptr>::template rebind<_Tp>;
+
+
+}
+# 67 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/stl_iterator.h" 2 3
+
+namespace std __attribute__ ((__visibility__ ("default")))
+{
+
+# 96 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/stl_iterator.h" 3
+  template<typename _Iterator>
+    class reverse_iterator
+    : public iterator<typename iterator_traits<_Iterator>::iterator_category,
+        typename iterator_traits<_Iterator>::value_type,
+        typename iterator_traits<_Iterator>::difference_type,
+        typename iterator_traits<_Iterator>::pointer,
+                      typename iterator_traits<_Iterator>::reference>
+    {
+    protected:
+      _Iterator current;
+
+      typedef iterator_traits<_Iterator> __traits_type;
+
+    public:
+      typedef _Iterator iterator_type;
+      typedef typename __traits_type::difference_type difference_type;
+      typedef typename __traits_type::pointer pointer;
+      typedef typename __traits_type::reference reference;
+
+
+
+
+
+
+
+      reverse_iterator() : current() { }
+
+
+
+
+      explicit
+      reverse_iterator(iterator_type __x) : current(__x) { }
+
+
+
+
+      reverse_iterator(const reverse_iterator& __x)
+      : current(__x.current) { }
+
+
+
+
+
+      template<typename _Iter>
+        reverse_iterator(const reverse_iterator<_Iter>& __x)
+ : current(__x.base()) { }
+
+
+
+
+      iterator_type
+      base() const
+      { return current; }
+# 160 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/stl_iterator.h" 3
+      reference
+      operator*() const
+      {
+ _Iterator __tmp = current;
+ return *--__tmp;
+      }
+
+
+
+
+
+
+      pointer
+      operator->() const
+      { return &(operator*()); }
+
+
+
+
+
+
+      reverse_iterator&
+      operator++()
+      {
+ --current;
+ return *this;
+      }
+
+
+
+
+
+
+      reverse_iterator
+      operator++(int)
+      {
+ reverse_iterator __tmp = *this;
+ --current;
+ return __tmp;
+      }
+
+
+
+
+
+
+      reverse_iterator&
+      operator--()
+      {
+ ++current;
+ return *this;
+      }
+
+
+
+
+
+
+      reverse_iterator
+      operator--(int)
+      {
+ reverse_iterator __tmp = *this;
+ ++current;
+ return __tmp;
+      }
+
+
+
+
+
+
+      reverse_iterator
+      operator+(difference_type __n) const
+      { return reverse_iterator(current - __n); }
+
+
+
+
+
+
+
+      reverse_iterator&
+      operator+=(difference_type __n)
+      {
+ current -= __n;
+ return *this;
+      }
+
+
+
+
+
+
+      reverse_iterator
+      operator-(difference_type __n) const
+      { return reverse_iterator(current + __n); }
+
+
+
+
+
+
+
+      reverse_iterator&
+      operator-=(difference_type __n)
+      {
+ current += __n;
+ return *this;
+      }
+
+
+
+
+
+
+      reference
+      operator[](difference_type __n) const
+      { return *(*this + __n); }
+    };
+# 290 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/stl_iterator.h" 3
+  template<typename _Iterator>
+    inline bool
+    operator==(const reverse_iterator<_Iterator>& __x,
+        const reverse_iterator<_Iterator>& __y)
+    { return __x.base() == __y.base(); }
+
+  template<typename _Iterator>
+    inline bool
+    operator<(const reverse_iterator<_Iterator>& __x,
+       const reverse_iterator<_Iterator>& __y)
+    { return __y.base() < __x.base(); }
+
+  template<typename _Iterator>
+    inline bool
+    operator!=(const reverse_iterator<_Iterator>& __x,
+        const reverse_iterator<_Iterator>& __y)
+    { return !(__x == __y); }
+
+  template<typename _Iterator>
+    inline bool
+    operator>(const reverse_iterator<_Iterator>& __x,
+       const reverse_iterator<_Iterator>& __y)
+    { return __y < __x; }
+
+  template<typename _Iterator>
+    inline bool
+    operator<=(const reverse_iterator<_Iterator>& __x,
+        const reverse_iterator<_Iterator>& __y)
+    { return !(__y < __x); }
+
+  template<typename _Iterator>
+    inline bool
+    operator>=(const reverse_iterator<_Iterator>& __x,
+        const reverse_iterator<_Iterator>& __y)
+    { return !(__x < __y); }
+
+  template<typename _Iterator>
+    inline typename reverse_iterator<_Iterator>::difference_type
+    operator-(const reverse_iterator<_Iterator>& __x,
+       const reverse_iterator<_Iterator>& __y)
+    { return __y.base() - __x.base(); }
+
+  template<typename _Iterator>
+    inline reverse_iterator<_Iterator>
+    operator+(typename reverse_iterator<_Iterator>::difference_type __n,
+       const reverse_iterator<_Iterator>& __x)
+    { return reverse_iterator<_Iterator>(__x.base() - __n); }
+
+
+
+  template<typename _IteratorL, typename _IteratorR>
+    inline bool
+    operator==(const reverse_iterator<_IteratorL>& __x,
+        const reverse_iterator<_IteratorR>& __y)
+    { return __x.base() == __y.base(); }
+
+  template<typename _IteratorL, typename _IteratorR>
+    inline bool
+    operator<(const reverse_iterator<_IteratorL>& __x,
+       const reverse_iterator<_IteratorR>& __y)
+    { return __y.base() < __x.base(); }
+
+  template<typename _IteratorL, typename _IteratorR>
+    inline bool
+    operator!=(const reverse_iterator<_IteratorL>& __x,
+        const reverse_iterator<_IteratorR>& __y)
+    { return !(__x == __y); }
+
+  template<typename _IteratorL, typename _IteratorR>
+    inline bool
+    operator>(const reverse_iterator<_IteratorL>& __x,
+       const reverse_iterator<_IteratorR>& __y)
+    { return __y < __x; }
+
+  template<typename _IteratorL, typename _IteratorR>
+    inline bool
+    operator<=(const reverse_iterator<_IteratorL>& __x,
+        const reverse_iterator<_IteratorR>& __y)
+    { return !(__y < __x); }
+
+  template<typename _IteratorL, typename _IteratorR>
+    inline bool
+    operator>=(const reverse_iterator<_IteratorL>& __x,
+        const reverse_iterator<_IteratorR>& __y)
+    { return !(__x < __y); }
+
+  template<typename _IteratorL, typename _IteratorR>
+
+
+    inline auto
+    operator-(const reverse_iterator<_IteratorL>& __x,
+       const reverse_iterator<_IteratorR>& __y)
+    -> decltype(__y.base() - __x.base())
+
+
+
+
+
+    { return __y.base() - __x.base(); }
+
+
+
+
+  template<typename _Iterator>
+    inline reverse_iterator<_Iterator>
+    __make_reverse_iterator(_Iterator __i)
+    { return reverse_iterator<_Iterator>(__i); }
+
+
+
+
+
+
+
+  template<typename _Iterator>
+    inline reverse_iterator<_Iterator>
+    make_reverse_iterator(_Iterator __i)
+    { return reverse_iterator<_Iterator>(__i); }
+
+
+
+
+  template<typename _Iterator>
+    auto
+    __niter_base(reverse_iterator<_Iterator> __it)
+    -> decltype(__make_reverse_iterator(__niter_base(__it.base())))
+    { return __make_reverse_iterator(__niter_base(__it.base())); }
+
+  template<typename _Iterator>
+    struct __is_move_iterator<reverse_iterator<_Iterator> >
+      : __is_move_iterator<_Iterator>
+    { };
+
+  template<typename _Iterator>
+    auto
+    __miter_base(reverse_iterator<_Iterator> __it)
+    -> decltype(__make_reverse_iterator(__miter_base(__it.base())))
+    { return __make_reverse_iterator(__miter_base(__it.base())); }
+# 441 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/stl_iterator.h" 3
+  template<typename _Container>
+    class back_insert_iterator
+    : public iterator<output_iterator_tag, void, void, void, void>
+    {
+    protected:
+      _Container* container;
+
+    public:
+
+      typedef _Container container_type;
+
+
+      explicit
+      back_insert_iterator(_Container& __x) : container(&__x) { }
+# 475 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/stl_iterator.h" 3
+      back_insert_iterator&
+      operator=(const typename _Container::value_type& __value)
+      {
+ container->push_back(__value);
+ return *this;
+      }
+
+      back_insert_iterator&
+      operator=(typename _Container::value_type&& __value)
+      {
+ container->push_back(std::move(__value));
+ return *this;
+      }
+
+
+
+      back_insert_iterator&
+      operator*()
+      { return *this; }
+
+
+      back_insert_iterator&
+      operator++()
+      { return *this; }
+
+
+      back_insert_iterator
+      operator++(int)
+      { return *this; }
+    };
+# 517 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/stl_iterator.h" 3
+  template<typename _Container>
+    inline back_insert_iterator<_Container>
+    back_inserter(_Container& __x)
+    { return back_insert_iterator<_Container>(__x); }
+# 532 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/stl_iterator.h" 3
+  template<typename _Container>
+    class front_insert_iterator
+    : public iterator<output_iterator_tag, void, void, void, void>
+    {
+    protected:
+      _Container* container;
+
+    public:
+
+      typedef _Container container_type;
+
+
+      explicit front_insert_iterator(_Container& __x) : container(&__x) { }
+# 565 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/stl_iterator.h" 3
+      front_insert_iterator&
+      operator=(const typename _Container::value_type& __value)
+      {
+ container->push_front(__value);
+ return *this;
+      }
+
+      front_insert_iterator&
+      operator=(typename _Container::value_type&& __value)
+      {
+ container->push_front(std::move(__value));
+ return *this;
+      }
+
+
+
+      front_insert_iterator&
+      operator*()
+      { return *this; }
+
+
+      front_insert_iterator&
+      operator++()
+      { return *this; }
+
+
+      front_insert_iterator
+      operator++(int)
+      { return *this; }
+    };
+# 607 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/stl_iterator.h" 3
+  template<typename _Container>
+    inline front_insert_iterator<_Container>
+    front_inserter(_Container& __x)
+    { return front_insert_iterator<_Container>(__x); }
+# 626 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/stl_iterator.h" 3
+  template<typename _Container>
+    class insert_iterator
+    : public iterator<output_iterator_tag, void, void, void, void>
+    {
+    protected:
+      _Container* container;
+      typename _Container::iterator iter;
+
+    public:
+
+      typedef _Container container_type;
+
+
+
+
+
+      insert_iterator(_Container& __x, typename _Container::iterator __i)
+      : container(&__x), iter(__i) {}
+# 677 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/stl_iterator.h" 3
+      insert_iterator&
+      operator=(const typename _Container::value_type& __value)
+      {
+ iter = container->insert(iter, __value);
+ ++iter;
+ return *this;
+      }
+
+      insert_iterator&
+      operator=(typename _Container::value_type&& __value)
+      {
+ iter = container->insert(iter, std::move(__value));
+ ++iter;
+ return *this;
+      }
+
+
+
+      insert_iterator&
+      operator*()
+      { return *this; }
+
+
+      insert_iterator&
+      operator++()
+      { return *this; }
+
+
+      insert_iterator&
+      operator++(int)
+      { return *this; }
+    };
+# 721 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/stl_iterator.h" 3
+  template<typename _Container, typename _Iterator>
+    inline insert_iterator<_Container>
+    inserter(_Container& __x, _Iterator __i)
+    {
+      return insert_iterator<_Container>(__x,
+      typename _Container::iterator(__i));
+    }
+
+
+
+
+}
+
+namespace __gnu_cxx __attribute__ ((__visibility__ ("default")))
+{
+
+# 745 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/stl_iterator.h" 3
+  using std::iterator_traits;
+  using std::iterator;
+  template<typename _Iterator, typename _Container>
+    class __normal_iterator
+    {
+    protected:
+      _Iterator _M_current;
+
+      typedef iterator_traits<_Iterator> __traits_type;
+
+    public:
+      typedef _Iterator iterator_type;
+      typedef typename __traits_type::iterator_category iterator_category;
+      typedef typename __traits_type::value_type value_type;
+      typedef typename __traits_type::difference_type difference_type;
+      typedef typename __traits_type::reference reference;
+      typedef typename __traits_type::pointer pointer;
+
+      constexpr __normal_iterator() noexcept
+      : _M_current(_Iterator()) { }
+
+      explicit
+      __normal_iterator(const _Iterator& __i) noexcept
+      : _M_current(__i) { }
+
+
+      template<typename _Iter>
+        __normal_iterator(const __normal_iterator<_Iter,
+     typename __enable_if<
+              (std::__are_same<_Iter, typename _Container::pointer>::__value),
+        _Container>::__type>& __i) noexcept
+        : _M_current(__i.base()) { }
+
+
+      reference
+      operator*() const noexcept
+      { return *_M_current; }
+
+      pointer
+      operator->() const noexcept
+      { return _M_current; }
+
+      __normal_iterator&
+      operator++() noexcept
+      {
+ ++_M_current;
+ return *this;
+      }
+
+      __normal_iterator
+      operator++(int) noexcept
+      { return __normal_iterator(_M_current++); }
+
+
+      __normal_iterator&
+      operator--() noexcept
+      {
+ --_M_current;
+ return *this;
+      }
+
+      __normal_iterator
+      operator--(int) noexcept
+      { return __normal_iterator(_M_current--); }
+
+
+      reference
+      operator[](difference_type __n) const noexcept
+      { return _M_current[__n]; }
+
+      __normal_iterator&
+      operator+=(difference_type __n) noexcept
+      { _M_current += __n; return *this; }
+
+      __normal_iterator
+      operator+(difference_type __n) const noexcept
+      { return __normal_iterator(_M_current + __n); }
+
+      __normal_iterator&
+      operator-=(difference_type __n) noexcept
+      { _M_current -= __n; return *this; }
+
+      __normal_iterator
+      operator-(difference_type __n) const noexcept
+      { return __normal_iterator(_M_current - __n); }
+
+      const _Iterator&
+      base() const noexcept
+      { return _M_current; }
+    };
+# 845 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/stl_iterator.h" 3
+  template<typename _IteratorL, typename _IteratorR, typename _Container>
+    inline bool
+    operator==(const __normal_iterator<_IteratorL, _Container>& __lhs,
+        const __normal_iterator<_IteratorR, _Container>& __rhs)
+    noexcept
+    { return __lhs.base() == __rhs.base(); }
+
+  template<typename _Iterator, typename _Container>
+    inline bool
+    operator==(const __normal_iterator<_Iterator, _Container>& __lhs,
+        const __normal_iterator<_Iterator, _Container>& __rhs)
+    noexcept
+    { return __lhs.base() == __rhs.base(); }
+
+  template<typename _IteratorL, typename _IteratorR, typename _Container>
+    inline bool
+    operator!=(const __normal_iterator<_IteratorL, _Container>& __lhs,
+        const __normal_iterator<_IteratorR, _Container>& __rhs)
+    noexcept
+    { return __lhs.base() != __rhs.base(); }
+
+  template<typename _Iterator, typename _Container>
+    inline bool
+    operator!=(const __normal_iterator<_Iterator, _Container>& __lhs,
+        const __normal_iterator<_Iterator, _Container>& __rhs)
+    noexcept
+    { return __lhs.base() != __rhs.base(); }
+
+
+  template<typename _IteratorL, typename _IteratorR, typename _Container>
+    inline bool
+    operator<(const __normal_iterator<_IteratorL, _Container>& __lhs,
+       const __normal_iterator<_IteratorR, _Container>& __rhs)
+    noexcept
+    { return __lhs.base() < __rhs.base(); }
+
+  template<typename _Iterator, typename _Container>
+    inline bool
+    operator<(const __normal_iterator<_Iterator, _Container>& __lhs,
+       const __normal_iterator<_Iterator, _Container>& __rhs)
+    noexcept
+    { return __lhs.base() < __rhs.base(); }
+
+  template<typename _IteratorL, typename _IteratorR, typename _Container>
+    inline bool
+    operator>(const __normal_iterator<_IteratorL, _Container>& __lhs,
+       const __normal_iterator<_IteratorR, _Container>& __rhs)
+    noexcept
+    { return __lhs.base() > __rhs.base(); }
+
+  template<typename _Iterator, typename _Container>
+    inline bool
+    operator>(const __normal_iterator<_Iterator, _Container>& __lhs,
+       const __normal_iterator<_Iterator, _Container>& __rhs)
+    noexcept
+    { return __lhs.base() > __rhs.base(); }
+
+  template<typename _IteratorL, typename _IteratorR, typename _Container>
+    inline bool
+    operator<=(const __normal_iterator<_IteratorL, _Container>& __lhs,
+        const __normal_iterator<_IteratorR, _Container>& __rhs)
+    noexcept
+    { return __lhs.base() <= __rhs.base(); }
+
+  template<typename _Iterator, typename _Container>
+    inline bool
+    operator<=(const __normal_iterator<_Iterator, _Container>& __lhs,
+        const __normal_iterator<_Iterator, _Container>& __rhs)
+    noexcept
+    { return __lhs.base() <= __rhs.base(); }
+
+  template<typename _IteratorL, typename _IteratorR, typename _Container>
+    inline bool
+    operator>=(const __normal_iterator<_IteratorL, _Container>& __lhs,
+        const __normal_iterator<_IteratorR, _Container>& __rhs)
+    noexcept
+    { return __lhs.base() >= __rhs.base(); }
+
+  template<typename _Iterator, typename _Container>
+    inline bool
+    operator>=(const __normal_iterator<_Iterator, _Container>& __lhs,
+        const __normal_iterator<_Iterator, _Container>& __rhs)
+    noexcept
+    { return __lhs.base() >= __rhs.base(); }
+
+
+
+
+
+  template<typename _IteratorL, typename _IteratorR, typename _Container>
+
+
+    inline auto
+    operator-(const __normal_iterator<_IteratorL, _Container>& __lhs,
+       const __normal_iterator<_IteratorR, _Container>& __rhs) noexcept
+    -> decltype(__lhs.base() - __rhs.base())
+
+
+
+
+
+    { return __lhs.base() - __rhs.base(); }
+
+  template<typename _Iterator, typename _Container>
+    inline typename __normal_iterator<_Iterator, _Container>::difference_type
+    operator-(const __normal_iterator<_Iterator, _Container>& __lhs,
+       const __normal_iterator<_Iterator, _Container>& __rhs)
+    noexcept
+    { return __lhs.base() - __rhs.base(); }
+
+  template<typename _Iterator, typename _Container>
+    inline __normal_iterator<_Iterator, _Container>
+    operator+(typename __normal_iterator<_Iterator, _Container>::difference_type
+       __n, const __normal_iterator<_Iterator, _Container>& __i)
+    noexcept
+    { return __normal_iterator<_Iterator, _Container>(__i.base() + __n); }
+
+
+}
+
+namespace std __attribute__ ((__visibility__ ("default")))
+{
+
+
+  template<typename _Iterator, typename _Container>
+    _Iterator
+    __niter_base(__gnu_cxx::__normal_iterator<_Iterator, _Container> __it)
+    { return __it.base(); }
+
+
+}
+
+
+
+namespace std __attribute__ ((__visibility__ ("default")))
+{
+
+# 997 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/stl_iterator.h" 3
+  template<typename _Iterator>
+    class move_iterator
+    {
+    protected:
+      _Iterator _M_current;
+
+      typedef iterator_traits<_Iterator> __traits_type;
+      typedef typename __traits_type::reference __base_ref;
+
+    public:
+      typedef _Iterator iterator_type;
+      typedef typename __traits_type::iterator_category iterator_category;
+      typedef typename __traits_type::value_type value_type;
+      typedef typename __traits_type::difference_type difference_type;
+
+      typedef _Iterator pointer;
+
+
+      typedef typename conditional<is_reference<__base_ref>::value,
+    typename remove_reference<__base_ref>::type&&,
+    __base_ref>::type reference;
+
+      move_iterator()
+      : _M_current() { }
+
+      explicit
+      move_iterator(iterator_type __i)
+      : _M_current(__i) { }
+
+      template<typename _Iter>
+ move_iterator(const move_iterator<_Iter>& __i)
+ : _M_current(__i.base()) { }
+
+      iterator_type
+      base() const
+      { return _M_current; }
+
+      reference
+      operator*() const
+      { return static_cast<reference>(*_M_current); }
+
+      pointer
+      operator->() const
+      { return _M_current; }
+
+      move_iterator&
+      operator++()
+      {
+ ++_M_current;
+ return *this;
+      }
+
+      move_iterator
+      operator++(int)
+      {
+ move_iterator __tmp = *this;
+ ++_M_current;
+ return __tmp;
+      }
+
+      move_iterator&
+      operator--()
+      {
+ --_M_current;
+ return *this;
+      }
+
+      move_iterator
+      operator--(int)
+      {
+ move_iterator __tmp = *this;
+ --_M_current;
+ return __tmp;
+      }
+
+      move_iterator
+      operator+(difference_type __n) const
+      { return move_iterator(_M_current + __n); }
+
+      move_iterator&
+      operator+=(difference_type __n)
+      {
+ _M_current += __n;
+ return *this;
+      }
+
+      move_iterator
+      operator-(difference_type __n) const
+      { return move_iterator(_M_current - __n); }
+
+      move_iterator&
+      operator-=(difference_type __n)
+      {
+ _M_current -= __n;
+ return *this;
+      }
+
+      reference
+      operator[](difference_type __n) const
+      { return std::move(_M_current[__n]); }
+    };
+
+
+
+
+  template<typename _IteratorL, typename _IteratorR>
+    inline bool
+    operator==(const move_iterator<_IteratorL>& __x,
+        const move_iterator<_IteratorR>& __y)
+    { return __x.base() == __y.base(); }
+
+  template<typename _Iterator>
+    inline bool
+    operator==(const move_iterator<_Iterator>& __x,
+        const move_iterator<_Iterator>& __y)
+    { return __x.base() == __y.base(); }
+
+  template<typename _IteratorL, typename _IteratorR>
+    inline bool
+    operator!=(const move_iterator<_IteratorL>& __x,
+        const move_iterator<_IteratorR>& __y)
+    { return !(__x == __y); }
+
+  template<typename _Iterator>
+    inline bool
+    operator!=(const move_iterator<_Iterator>& __x,
+        const move_iterator<_Iterator>& __y)
+    { return !(__x == __y); }
+
+  template<typename _IteratorL, typename _IteratorR>
+    inline bool
+    operator<(const move_iterator<_IteratorL>& __x,
+       const move_iterator<_IteratorR>& __y)
+    { return __x.base() < __y.base(); }
+
+  template<typename _Iterator>
+    inline bool
+    operator<(const move_iterator<_Iterator>& __x,
+       const move_iterator<_Iterator>& __y)
+    { return __x.base() < __y.base(); }
+
+  template<typename _IteratorL, typename _IteratorR>
+    inline bool
+    operator<=(const move_iterator<_IteratorL>& __x,
+        const move_iterator<_IteratorR>& __y)
+    { return !(__y < __x); }
+
+  template<typename _Iterator>
+    inline bool
+    operator<=(const move_iterator<_Iterator>& __x,
+        const move_iterator<_Iterator>& __y)
+    { return !(__y < __x); }
+
+  template<typename _IteratorL, typename _IteratorR>
+    inline bool
+    operator>(const move_iterator<_IteratorL>& __x,
+       const move_iterator<_IteratorR>& __y)
+    { return __y < __x; }
+
+  template<typename _Iterator>
+    inline bool
+    operator>(const move_iterator<_Iterator>& __x,
+       const move_iterator<_Iterator>& __y)
+    { return __y < __x; }
+
+  template<typename _IteratorL, typename _IteratorR>
+    inline bool
+    operator>=(const move_iterator<_IteratorL>& __x,
+        const move_iterator<_IteratorR>& __y)
+    { return !(__x < __y); }
+
+  template<typename _Iterator>
+    inline bool
+    operator>=(const move_iterator<_Iterator>& __x,
+        const move_iterator<_Iterator>& __y)
+    { return !(__x < __y); }
+
+
+  template<typename _IteratorL, typename _IteratorR>
+    inline auto
+    operator-(const move_iterator<_IteratorL>& __x,
+       const move_iterator<_IteratorR>& __y)
+    -> decltype(__x.base() - __y.base())
+    { return __x.base() - __y.base(); }
+
+  template<typename _Iterator>
+    inline auto
+    operator-(const move_iterator<_Iterator>& __x,
+       const move_iterator<_Iterator>& __y)
+    -> decltype(__x.base() - __y.base())
+    { return __x.base() - __y.base(); }
+
+  template<typename _Iterator>
+    inline move_iterator<_Iterator>
+    operator+(typename move_iterator<_Iterator>::difference_type __n,
+       const move_iterator<_Iterator>& __x)
+    { return __x + __n; }
+
+  template<typename _Iterator>
+    inline move_iterator<_Iterator>
+    make_move_iterator(_Iterator __i)
+    { return move_iterator<_Iterator>(__i); }
+
+  template<typename _Iterator, typename _ReturnType
+    = typename conditional<__move_if_noexcept_cond
+      <typename iterator_traits<_Iterator>::value_type>::value,
+                _Iterator, move_iterator<_Iterator>>::type>
+    inline _ReturnType
+    __make_move_if_noexcept_iterator(_Iterator __i)
+    { return _ReturnType(__i); }
+
+
+
+  template<typename _Tp, typename _ReturnType
+    = typename conditional<__move_if_noexcept_cond<_Tp>::value,
+      const _Tp*, move_iterator<_Tp*>>::type>
+    inline _ReturnType
+    __make_move_if_noexcept_iterator(_Tp* __i)
+    { return _ReturnType(__i); }
+
+
+
+  template<typename _Iterator>
+    auto
+    __niter_base(move_iterator<_Iterator> __it)
+    -> decltype(make_move_iterator(__niter_base(__it.base())))
+    { return make_move_iterator(__niter_base(__it.base())); }
+
+  template<typename _Iterator>
+    struct __is_move_iterator<move_iterator<_Iterator> >
+    {
+      enum { __value = 1 };
+      typedef __true_type __type;
+    };
+
+  template<typename _Iterator>
+    auto
+    __miter_base(move_iterator<_Iterator> __it)
+    -> decltype(__miter_base(__it.base()))
+    { return __miter_base(__it.base()); }
+
+
+}
+# 68 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/stl_algobase.h" 2 3
+
+# 1 "/aux/hubicka/trunk-install/include/c++/6.0.0/debug/debug.h" 1 3
+# 48 "/aux/hubicka/trunk-install/include/c++/6.0.0/debug/debug.h" 3
+namespace std
+{
+  namespace __debug { }
+}
+
+
+
+
+namespace __gnu_debug
+{
+  using namespace std::__debug;
+}
+# 70 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/stl_algobase.h" 2 3
+
+# 1 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/predefined_ops.h" 1 3
+# 33 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/predefined_ops.h" 3
+namespace __gnu_cxx
+{
+namespace __ops
+{
+  struct _Iter_less_iter
+  {
+    template<typename _Iterator1, typename _Iterator2>
+      constexpr
+      bool
+      operator()(_Iterator1 __it1, _Iterator2 __it2) const
+      { return *__it1 < *__it2; }
+  };
+  constexpr
+  inline _Iter_less_iter
+  __iter_less_iter()
+  { return _Iter_less_iter(); }
+
+  struct _Iter_less_val
+  {
+    template<typename _Iterator, typename _Value>
+      bool
+      operator()(_Iterator __it, _Value& __val) const
+      { return *__it < __val; }
+    };
+
+  inline _Iter_less_val
+  __iter_less_val()
+  { return _Iter_less_val(); }
+
+  inline _Iter_less_val
+  __iter_comp_val(_Iter_less_iter)
+  { return _Iter_less_val(); }
+
+  struct _Val_less_iter
+  {
+    template<typename _Value, typename _Iterator>
+      bool
+      operator()(_Value& __val, _Iterator __it) const
+      { return __val < *__it; }
+    };
+
+  inline _Val_less_iter
+  __val_less_iter()
+  { return _Val_less_iter(); }
+
+  inline _Val_less_iter
+  __val_comp_iter(_Iter_less_iter)
+  { return _Val_less_iter(); }
+
+  struct _Iter_equal_to_iter
+  {
+    template<typename _Iterator1, typename _Iterator2>
+      bool
+      operator()(_Iterator1 __it1, _Iterator2 __it2) const
+      { return *__it1 == *__it2; }
+    };
+
+  inline _Iter_equal_to_iter
+  __iter_equal_to_iter()
+  { return _Iter_equal_to_iter(); }
+
+  struct _Iter_equal_to_val
+  {
+    template<typename _Iterator, typename _Value>
+      bool
+      operator()(_Iterator __it, _Value& __val) const
+      { return *__it == __val; }
+    };
+
+  inline _Iter_equal_to_val
+  __iter_equal_to_val()
+  { return _Iter_equal_to_val(); }
+
+  inline _Iter_equal_to_val
+  __iter_comp_val(_Iter_equal_to_iter)
+  { return _Iter_equal_to_val(); }
+
+  template<typename _Compare>
+    struct _Iter_comp_iter
+    {
+      _Compare _M_comp;
+      constexpr
+      _Iter_comp_iter(_Compare __comp)
+ : _M_comp(__comp)
+      { }
+
+      template<typename _Iterator1, typename _Iterator2>
+        constexpr
+        bool
+        operator()(_Iterator1 __it1, _Iterator2 __it2)
+        { return bool(_M_comp(*__it1, *__it2)); }
+    };
+
+  template<typename _Compare>
+    constexpr
+    inline _Iter_comp_iter<_Compare>
+    __iter_comp_iter(_Compare __comp)
+    { return _Iter_comp_iter<_Compare>(__comp); }
+
+  template<typename _Compare>
+    struct _Iter_comp_val
+    {
+      _Compare _M_comp;
+
+      _Iter_comp_val(_Compare __comp)
+ : _M_comp(__comp)
+      { }
+
+      template<typename _Iterator, typename _Value>
+ bool
+ operator()(_Iterator __it, _Value& __val)
+ { return bool(_M_comp(*__it, __val)); }
+    };
+
+  template<typename _Compare>
+   inline _Iter_comp_val<_Compare>
+    __iter_comp_val(_Compare __comp)
+    { return _Iter_comp_val<_Compare>(__comp); }
+
+  template<typename _Compare>
+    inline _Iter_comp_val<_Compare>
+    __iter_comp_val(_Iter_comp_iter<_Compare> __comp)
+    { return _Iter_comp_val<_Compare>(__comp._M_comp); }
+
+  template<typename _Compare>
+    struct _Val_comp_iter
+    {
+      _Compare _M_comp;
+
+      _Val_comp_iter(_Compare __comp)
+ : _M_comp(__comp)
+      { }
+
+      template<typename _Value, typename _Iterator>
+ bool
+ operator()(_Value& __val, _Iterator __it)
+ { return bool(_M_comp(__val, *__it)); }
+    };
+
+  template<typename _Compare>
+    inline _Val_comp_iter<_Compare>
+    __val_comp_iter(_Compare __comp)
+    { return _Val_comp_iter<_Compare>(__comp); }
+
+  template<typename _Compare>
+    inline _Val_comp_iter<_Compare>
+    __val_comp_iter(_Iter_comp_iter<_Compare> __comp)
+    { return _Val_comp_iter<_Compare>(__comp._M_comp); }
+
+  template<typename _Value>
+    struct _Iter_equals_val
+    {
+      _Value& _M_value;
+
+      _Iter_equals_val(_Value& __value)
+ : _M_value(__value)
+      { }
+
+      template<typename _Iterator>
+ bool
+ operator()(_Iterator __it)
+ { return *__it == _M_value; }
+    };
+
+  template<typename _Value>
+    inline _Iter_equals_val<_Value>
+    __iter_equals_val(_Value& __val)
+    { return _Iter_equals_val<_Value>(__val); }
+
+  template<typename _Iterator1>
+    struct _Iter_equals_iter
+    {
+      typename std::iterator_traits<_Iterator1>::reference _M_ref;
+
+      _Iter_equals_iter(_Iterator1 __it1)
+ : _M_ref(*__it1)
+      { }
+
+      template<typename _Iterator2>
+ bool
+ operator()(_Iterator2 __it2)
+ { return *__it2 == _M_ref; }
+    };
+
+  template<typename _Iterator>
+    inline _Iter_equals_iter<_Iterator>
+    __iter_comp_iter(_Iter_equal_to_iter, _Iterator __it)
+    { return _Iter_equals_iter<_Iterator>(__it); }
+
+  template<typename _Predicate>
+    struct _Iter_pred
+    {
+      _Predicate _M_pred;
+
+      _Iter_pred(_Predicate __pred)
+ : _M_pred(__pred)
+      { }
+
+      template<typename _Iterator>
+ bool
+ operator()(_Iterator __it)
+ { return bool(_M_pred(*__it)); }
+    };
+
+  template<typename _Predicate>
+    inline _Iter_pred<_Predicate>
+    __pred_iter(_Predicate __pred)
+    { return _Iter_pred<_Predicate>(__pred); }
+
+  template<typename _Compare, typename _Value>
+    struct _Iter_comp_to_val
+    {
+      _Compare _M_comp;
+      _Value& _M_value;
+
+      _Iter_comp_to_val(_Compare __comp, _Value& __value)
+ : _M_comp(__comp), _M_value(__value)
+      { }
+
+      template<typename _Iterator>
+ bool
+ operator()(_Iterator __it)
+ { return bool(_M_comp(*__it, _M_value)); }
+    };
+
+  template<typename _Compare, typename _Value>
+    _Iter_comp_to_val<_Compare, _Value>
+    __iter_comp_val(_Compare __comp, _Value &__val)
+    { return _Iter_comp_to_val<_Compare, _Value>(__comp, __val); }
+
+  template<typename _Compare, typename _Iterator1>
+    struct _Iter_comp_to_iter
+    {
+      _Compare _M_comp;
+      typename std::iterator_traits<_Iterator1>::reference _M_ref;
+
+      _Iter_comp_to_iter(_Compare __comp, _Iterator1 __it1)
+ : _M_comp(__comp), _M_ref(*__it1)
+      { }
+
+      template<typename _Iterator2>
+ bool
+ operator()(_Iterator2 __it2)
+ { return bool(_M_comp(*__it2, _M_ref)); }
+    };
+
+  template<typename _Compare, typename _Iterator>
+    inline _Iter_comp_to_iter<_Compare, _Iterator>
+    __iter_comp_iter(_Iter_comp_iter<_Compare> __comp, _Iterator __it)
+    { return _Iter_comp_to_iter<_Compare, _Iterator>(__comp._M_comp, __it); }
+
+  template<typename _Predicate>
+    struct _Iter_negate
+    {
+      _Predicate _M_pred;
+
+      _Iter_negate(_Predicate __pred)
+ : _M_pred(__pred)
+      { }
+
+      template<typename _Iterator>
+ bool
+ operator()(_Iterator __it)
+ { return !bool(_M_pred(*__it)); }
+    };
+
+  template<typename _Predicate>
+    inline _Iter_negate<_Predicate>
+    __negate(_Iter_pred<_Predicate> __pred)
+    { return _Iter_negate<_Predicate>(__pred._M_pred); }
+
+}
+}
+# 72 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/stl_algobase.h" 2 3
+
+namespace std __attribute__ ((__visibility__ ("default")))
+{
+
+# 118 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/stl_algobase.h" 3
+  template<typename _ForwardIterator1, typename _ForwardIterator2>
+    inline void
+    iter_swap(_ForwardIterator1 __a, _ForwardIterator2 __b)
+    {
+
+     
+
+     
+# 148 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/stl_algobase.h" 3
+      swap(*__a, *__b);
+
+    }
+# 164 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/stl_algobase.h" 3
+  template<typename _ForwardIterator1, typename _ForwardIterator2>
+    _ForwardIterator2
+    swap_ranges(_ForwardIterator1 __first1, _ForwardIterator1 __last1,
+  _ForwardIterator2 __first2)
+    {
+
+     
+
+     
+
+      ;
+
+      for (; __first1 != __last1; ++__first1, (void)++__first2)
+ std::iter_swap(__first1, __first2);
+      return __first2;
+    }
+# 192 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/stl_algobase.h" 3
+  template<typename _Tp>
+    constexpr
+    inline const _Tp&
+    min(const _Tp& __a, const _Tp& __b)
+    {
+
+     
+
+      if (__b < __a)
+ return __b;
+      return __a;
+    }
+# 216 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/stl_algobase.h" 3
+  template<typename _Tp>
+    constexpr
+    inline const _Tp&
+    max(const _Tp& __a, const _Tp& __b)
+    {
+
+     
+
+      if (__a < __b)
+ return __b;
+      return __a;
+    }
+# 240 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/stl_algobase.h" 3
+  template<typename _Tp, typename _Compare>
+    constexpr
+    inline const _Tp&
+    min(const _Tp& __a, const _Tp& __b, _Compare __comp)
+    {
+
+      if (__comp(__b, __a))
+ return __b;
+      return __a;
+    }
+# 262 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/stl_algobase.h" 3
+  template<typename _Tp, typename _Compare>
+    constexpr
+    inline const _Tp&
+    max(const _Tp& __a, const _Tp& __b, _Compare __comp)
+    {
+
+      if (__comp(__a, __b))
+ return __b;
+      return __a;
+    }
+
+
+
+  template<typename _Iterator>
+    inline _Iterator
+    __niter_base(_Iterator __it)
+    { return __it; }
+
+
+
+
+
+
+
+  template<bool, bool, typename>
+    struct __copy_move
+    {
+      template<typename _II, typename _OI>
+        static _OI
+        __copy_m(_II __first, _II __last, _OI __result)
+        {
+   for (; __first != __last; ++__result, (void)++__first)
+     *__result = *__first;
+   return __result;
+ }
+    };
+
+
+  template<typename _Category>
+    struct __copy_move<true, false, _Category>
+    {
+      template<typename _II, typename _OI>
+        static _OI
+        __copy_m(_II __first, _II __last, _OI __result)
+        {
+   for (; __first != __last; ++__result, (void)++__first)
+     *__result = std::move(*__first);
+   return __result;
+ }
+    };
+
+
+  template<>
+    struct __copy_move<false, false, random_access_iterator_tag>
+    {
+      template<typename _II, typename _OI>
+        static _OI
+        __copy_m(_II __first, _II __last, _OI __result)
+        {
+   typedef typename iterator_traits<_II>::difference_type _Distance;
+   for(_Distance __n = __last - __first; __n > 0; --__n)
+     {
+       *__result = *__first;
+       ++__first;
+       ++__result;
+     }
+   return __result;
+ }
+    };
+
+
+  template<>
+    struct __copy_move<true, false, random_access_iterator_tag>
+    {
+      template<typename _II, typename _OI>
+        static _OI
+        __copy_m(_II __first, _II __last, _OI __result)
+        {
+   typedef typename iterator_traits<_II>::difference_type _Distance;
+   for(_Distance __n = __last - __first; __n > 0; --__n)
+     {
+       *__result = std::move(*__first);
+       ++__first;
+       ++__result;
+     }
+   return __result;
+ }
+    };
+
+
+  template<bool _IsMove>
+    struct __copy_move<_IsMove, true, random_access_iterator_tag>
+    {
+      template<typename _Tp>
+        static _Tp*
+        __copy_m(const _Tp* __first, const _Tp* __last, _Tp* __result)
+        {
+
+
+   static_assert( is_copy_assignable<_Tp>::value,
+                  "type is not assignable" );
+
+   const ptrdiff_t _Num = __last - __first;
+   if (_Num)
+     __builtin_memmove(__result, __first, sizeof(_Tp) * _Num);
+   return __result + _Num;
+ }
+    };
+
+  template<bool _IsMove, typename _II, typename _OI>
+    inline _OI
+    __copy_move_a(_II __first, _II __last, _OI __result)
+    {
+      typedef typename iterator_traits<_II>::value_type _ValueTypeI;
+      typedef typename iterator_traits<_OI>::value_type _ValueTypeO;
+      typedef typename iterator_traits<_II>::iterator_category _Category;
+      const bool __simple = (__is_trivial(_ValueTypeI)
+                      && __is_pointer<_II>::__value
+                      && __is_pointer<_OI>::__value
+        && __are_same<_ValueTypeI, _ValueTypeO>::__value);
+
+      return std::__copy_move<_IsMove, __simple,
+                       _Category>::__copy_m(__first, __last, __result);
+    }
+
+
+
+  template<typename _CharT>
+    struct char_traits;
+
+  template<typename _CharT, typename _Traits>
+    class istreambuf_iterator;
+
+  template<typename _CharT, typename _Traits>
+    class ostreambuf_iterator;
+
+  template<bool _IsMove, typename _CharT>
+    typename __gnu_cxx::__enable_if<__is_char<_CharT>::__value,
+      ostreambuf_iterator<_CharT, char_traits<_CharT> > >::__type
+    __copy_move_a2(_CharT*, _CharT*,
+     ostreambuf_iterator<_CharT, char_traits<_CharT> >);
+
+  template<bool _IsMove, typename _CharT>
+    typename __gnu_cxx::__enable_if<__is_char<_CharT>::__value,
+      ostreambuf_iterator<_CharT, char_traits<_CharT> > >::__type
+    __copy_move_a2(const _CharT*, const _CharT*,
+     ostreambuf_iterator<_CharT, char_traits<_CharT> >);
+
+  template<bool _IsMove, typename _CharT>
+    typename __gnu_cxx::__enable_if<__is_char<_CharT>::__value,
+        _CharT*>::__type
+    __copy_move_a2(istreambuf_iterator<_CharT, char_traits<_CharT> >,
+     istreambuf_iterator<_CharT, char_traits<_CharT> >, _CharT*);
+
+  template<bool _IsMove, typename _II, typename _OI>
+    inline _OI
+    __copy_move_a2(_II __first, _II __last, _OI __result)
+    {
+      return _OI(std::__copy_move_a<_IsMove>(std::__niter_base(__first),
+          std::__niter_base(__last),
+          std::__niter_base(__result)));
+    }
+# 442 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/stl_algobase.h" 3
+  template<typename _II, typename _OI>
+    inline _OI
+    copy(_II __first, _II __last, _OI __result)
+    {
+
+     
+     
+
+      ;
+
+      return (std::__copy_move_a2<__is_move_iterator<_II>::__value>
+       (std::__miter_base(__first), std::__miter_base(__last),
+        __result));
+    }
+# 475 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/stl_algobase.h" 3
+  template<typename _II, typename _OI>
+    inline _OI
+    move(_II __first, _II __last, _OI __result)
+    {
+
+     
+     
+
+      ;
+
+      return std::__copy_move_a2<true>(std::__miter_base(__first),
+           std::__miter_base(__last), __result);
+    }
+
+
+
+
+
+
+  template<bool, bool, typename>
+    struct __copy_move_backward
+    {
+      template<typename _BI1, typename _BI2>
+        static _BI2
+        __copy_move_b(_BI1 __first, _BI1 __last, _BI2 __result)
+        {
+   while (__first != __last)
+     *--__result = *--__last;
+   return __result;
+ }
+    };
+
+
+  template<typename _Category>
+    struct __copy_move_backward<true, false, _Category>
+    {
+      template<typename _BI1, typename _BI2>
+        static _BI2
+        __copy_move_b(_BI1 __first, _BI1 __last, _BI2 __result)
+        {
+   while (__first != __last)
+     *--__result = std::move(*--__last);
+   return __result;
+ }
+    };
+
+
+  template<>
+    struct __copy_move_backward<false, false, random_access_iterator_tag>
+    {
+      template<typename _BI1, typename _BI2>
+        static _BI2
+        __copy_move_b(_BI1 __first, _BI1 __last, _BI2 __result)
+        {
+   typename iterator_traits<_BI1>::difference_type __n;
+   for (__n = __last - __first; __n > 0; --__n)
+     *--__result = *--__last;
+   return __result;
+ }
+    };
+
+
+  template<>
+    struct __copy_move_backward<true, false, random_access_iterator_tag>
+    {
+      template<typename _BI1, typename _BI2>
+        static _BI2
+        __copy_move_b(_BI1 __first, _BI1 __last, _BI2 __result)
+        {
+   typename iterator_traits<_BI1>::difference_type __n;
+   for (__n = __last - __first; __n > 0; --__n)
+     *--__result = std::move(*--__last);
+   return __result;
+ }
+    };
+
+
+  template<bool _IsMove>
+    struct __copy_move_backward<_IsMove, true, random_access_iterator_tag>
+    {
+      template<typename _Tp>
+        static _Tp*
+        __copy_move_b(const _Tp* __first, const _Tp* __last, _Tp* __result)
+        {
+
+
+   static_assert( is_copy_assignable<_Tp>::value,
+                  "type is not assignable" );
+
+   const ptrdiff_t _Num = __last - __first;
+   if (_Num)
+     __builtin_memmove(__result - _Num, __first, sizeof(_Tp) * _Num);
+   return __result - _Num;
+ }
+    };
+
+  template<bool _IsMove, typename _BI1, typename _BI2>
+    inline _BI2
+    __copy_move_backward_a(_BI1 __first, _BI1 __last, _BI2 __result)
+    {
+      typedef typename iterator_traits<_BI1>::value_type _ValueType1;
+      typedef typename iterator_traits<_BI2>::value_type _ValueType2;
+      typedef typename iterator_traits<_BI1>::iterator_category _Category;
+      const bool __simple = (__is_trivial(_ValueType1)
+                      && __is_pointer<_BI1>::__value
+                      && __is_pointer<_BI2>::__value
+        && __are_same<_ValueType1, _ValueType2>::__value);
+
+      return std::__copy_move_backward<_IsMove, __simple,
+                                _Category>::__copy_move_b(__first,
+         __last,
+         __result);
+    }
+
+  template<bool _IsMove, typename _BI1, typename _BI2>
+    inline _BI2
+    __copy_move_backward_a2(_BI1 __first, _BI1 __last, _BI2 __result)
+    {
+      return _BI2(std::__copy_move_backward_a<_IsMove>
+    (std::__niter_base(__first), std::__niter_base(__last),
+     std::__niter_base(__result)));
+    }
+# 616 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/stl_algobase.h" 3
+  template<typename _BI1, typename _BI2>
+    inline _BI2
+    copy_backward(_BI1 __first, _BI1 __last, _BI2 __result)
+    {
+
+     
+     
+     
+
+
+      ;
+
+      return (std::__copy_move_backward_a2<__is_move_iterator<_BI1>::__value>
+       (std::__miter_base(__first), std::__miter_base(__last),
+        __result));
+    }
+# 652 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/stl_algobase.h" 3
+  template<typename _BI1, typename _BI2>
+    inline _BI2
+    move_backward(_BI1 __first, _BI1 __last, _BI2 __result)
+    {
+
+     
+     
+     
+
+
+      ;
+
+      return std::__copy_move_backward_a2<true>(std::__miter_base(__first),
+      std::__miter_base(__last),
+      __result);
+    }
+
+
+
+
+
+
+  template<typename _ForwardIterator, typename _Tp>
+    inline typename
+    __gnu_cxx::__enable_if<!__is_scalar<_Tp>::__value, void>::__type
+    __fill_a(_ForwardIterator __first, _ForwardIterator __last,
+       const _Tp& __value)
+    {
+      for (; __first != __last; ++__first)
+ *__first = __value;
+    }
+
+  template<typename _ForwardIterator, typename _Tp>
+    inline typename
+    __gnu_cxx::__enable_if<__is_scalar<_Tp>::__value, void>::__type
+    __fill_a(_ForwardIterator __first, _ForwardIterator __last,
+      const _Tp& __value)
+    {
+      const _Tp __tmp = __value;
+      for (; __first != __last; ++__first)
+ *__first = __tmp;
+    }
+
+
+  template<typename _Tp>
+    inline typename
+    __gnu_cxx::__enable_if<__is_byte<_Tp>::__value, void>::__type
+    __fill_a(_Tp* __first, _Tp* __last, const _Tp& __c)
+    {
+      const _Tp __tmp = __c;
+      if (const size_t __len = __last - __first)
+ __builtin_memset(__first, static_cast<unsigned char>(__tmp), __len);
+    }
+# 718 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/stl_algobase.h" 3
+  template<typename _ForwardIterator, typename _Tp>
+    inline void
+    fill(_ForwardIterator __first, _ForwardIterator __last, const _Tp& __value)
+    {
+
+     
+
+      ;
+
+      std::__fill_a(std::__niter_base(__first), std::__niter_base(__last),
+      __value);
+    }
+
+  template<typename _OutputIterator, typename _Size, typename _Tp>
+    inline typename
+    __gnu_cxx::__enable_if<!__is_scalar<_Tp>::__value, _OutputIterator>::__type
+    __fill_n_a(_OutputIterator __first, _Size __n, const _Tp& __value)
+    {
+      for (__decltype(__n + 0) __niter = __n;
+    __niter > 0; --__niter, ++__first)
+ *__first = __value;
+      return __first;
+    }
+
+  template<typename _OutputIterator, typename _Size, typename _Tp>
+    inline typename
+    __gnu_cxx::__enable_if<__is_scalar<_Tp>::__value, _OutputIterator>::__type
+    __fill_n_a(_OutputIterator __first, _Size __n, const _Tp& __value)
+    {
+      const _Tp __tmp = __value;
+      for (__decltype(__n + 0) __niter = __n;
+    __niter > 0; --__niter, ++__first)
+ *__first = __tmp;
+      return __first;
+    }
+
+  template<typename _Size, typename _Tp>
+    inline typename
+    __gnu_cxx::__enable_if<__is_byte<_Tp>::__value, _Tp*>::__type
+    __fill_n_a(_Tp* __first, _Size __n, const _Tp& __c)
+    {
+      std::__fill_a(__first, __first + __n, __c);
+      return __first + __n;
+    }
+# 778 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/stl_algobase.h" 3
+  template<typename _OI, typename _Size, typename _Tp>
+    inline _OI
+    fill_n(_OI __first, _Size __n, const _Tp& __value)
+    {
+
+     
+
+      return _OI(std::__fill_n_a(std::__niter_base(__first), __n, __value));
+    }
+
+  template<bool _BoolType>
+    struct __equal
+    {
+      template<typename _II1, typename _II2>
+        static bool
+        equal(_II1 __first1, _II1 __last1, _II2 __first2)
+        {
+   for (; __first1 != __last1; ++__first1, (void)++__first2)
+     if (!(*__first1 == *__first2))
+       return false;
+   return true;
+ }
+    };
+
+  template<>
+    struct __equal<true>
+    {
+      template<typename _Tp>
+        static bool
+        equal(const _Tp* __first1, const _Tp* __last1, const _Tp* __first2)
+        {
+   if (const size_t __len = (__last1 - __first1))
+     return !__builtin_memcmp(__first1, __first2, sizeof(_Tp) * __len);
+   return true;
+ }
+    };
+
+  template<typename _II1, typename _II2>
+    inline bool
+    __equal_aux(_II1 __first1, _II1 __last1, _II2 __first2)
+    {
+      typedef typename iterator_traits<_II1>::value_type _ValueType1;
+      typedef typename iterator_traits<_II2>::value_type _ValueType2;
+      const bool __simple = ((__is_integer<_ValueType1>::__value
+         || __is_pointer<_ValueType1>::__value)
+                      && __is_pointer<_II1>::__value
+                      && __is_pointer<_II2>::__value
+        && __are_same<_ValueType1, _ValueType2>::__value);
+
+      return std::__equal<__simple>::equal(__first1, __last1, __first2);
+    }
+
+  template<typename, typename>
+    struct __lc_rai
+    {
+      template<typename _II1, typename _II2>
+        static _II1
+        __newlast1(_II1, _II1 __last1, _II2, _II2)
+        { return __last1; }
+
+      template<typename _II>
+        static bool
+        __cnd2(_II __first, _II __last)
+        { return __first != __last; }
+    };
+
+  template<>
+    struct __lc_rai<random_access_iterator_tag, random_access_iterator_tag>
+    {
+      template<typename _RAI1, typename _RAI2>
+        static _RAI1
+        __newlast1(_RAI1 __first1, _RAI1 __last1,
+     _RAI2 __first2, _RAI2 __last2)
+        {
+   const typename iterator_traits<_RAI1>::difference_type
+     __diff1 = __last1 - __first1;
+   const typename iterator_traits<_RAI2>::difference_type
+     __diff2 = __last2 - __first2;
+   return __diff2 < __diff1 ? __first1 + __diff2 : __last1;
+ }
+
+      template<typename _RAI>
+        static bool
+        __cnd2(_RAI, _RAI)
+        { return true; }
+    };
+
+  template<typename _II1, typename _II2, typename _Compare>
+    bool
+    __lexicographical_compare_impl(_II1 __first1, _II1 __last1,
+       _II2 __first2, _II2 __last2,
+       _Compare __comp)
+    {
+      typedef typename iterator_traits<_II1>::iterator_category _Category1;
+      typedef typename iterator_traits<_II2>::iterator_category _Category2;
+      typedef std::__lc_rai<_Category1, _Category2> __rai_type;
+
+      __last1 = __rai_type::__newlast1(__first1, __last1, __first2, __last2);
+      for (; __first1 != __last1 && __rai_type::__cnd2(__first2, __last2);
+    ++__first1, (void)++__first2)
+ {
+   if (__comp(__first1, __first2))
+     return true;
+   if (__comp(__first2, __first1))
+     return false;
+ }
+      return __first1 == __last1 && __first2 != __last2;
+    }
+
+  template<bool _BoolType>
+    struct __lexicographical_compare
+    {
+      template<typename _II1, typename _II2>
+        static bool __lc(_II1, _II1, _II2, _II2);
+    };
+
+  template<bool _BoolType>
+    template<typename _II1, typename _II2>
+      bool
+      __lexicographical_compare<_BoolType>::
+      __lc(_II1 __first1, _II1 __last1, _II2 __first2, _II2 __last2)
+      {
+ return std::__lexicographical_compare_impl(__first1, __last1,
+         __first2, __last2,
+     __gnu_cxx::__ops::__iter_less_iter());
+      }
+
+  template<>
+    struct __lexicographical_compare<true>
+    {
+      template<typename _Tp, typename _Up>
+        static bool
+        __lc(const _Tp* __first1, const _Tp* __last1,
+      const _Up* __first2, const _Up* __last2)
+ {
+   const size_t __len1 = __last1 - __first1;
+   const size_t __len2 = __last2 - __first2;
+   if (const size_t __len = std::min(__len1, __len2))
+     if (int __result = __builtin_memcmp(__first1, __first2, __len))
+       return __result < 0;
+   return __len1 < __len2;
+ }
+    };
+
+  template<typename _II1, typename _II2>
+    inline bool
+    __lexicographical_compare_aux(_II1 __first1, _II1 __last1,
+      _II2 __first2, _II2 __last2)
+    {
+      typedef typename iterator_traits<_II1>::value_type _ValueType1;
+      typedef typename iterator_traits<_II2>::value_type _ValueType2;
+      const bool __simple =
+ (__is_byte<_ValueType1>::__value && __is_byte<_ValueType2>::__value
+  && !__gnu_cxx::__numeric_traits<_ValueType1>::__is_signed
+  && !__gnu_cxx::__numeric_traits<_ValueType2>::__is_signed
+  && __is_pointer<_II1>::__value
+  && __is_pointer<_II2>::__value);
+
+      return std::__lexicographical_compare<__simple>::__lc(__first1, __last1,
+           __first2, __last2);
+    }
+
+  template<typename _ForwardIterator, typename _Tp, typename _Compare>
+    _ForwardIterator
+    __lower_bound(_ForwardIterator __first, _ForwardIterator __last,
+    const _Tp& __val, _Compare __comp)
+    {
+      typedef typename iterator_traits<_ForwardIterator>::difference_type
+ _DistanceType;
+
+      _DistanceType __len = std::distance(__first, __last);
+
+      while (__len > 0)
+ {
+   _DistanceType __half = __len >> 1;
+   _ForwardIterator __middle = __first;
+   std::advance(__middle, __half);
+   if (__comp(__middle, __val))
+     {
+       __first = __middle;
+       ++__first;
+       __len = __len - __half - 1;
+     }
+   else
+     __len = __half;
+ }
+      return __first;
+    }
+# 978 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/stl_algobase.h" 3
+  template<typename _ForwardIterator, typename _Tp>
+    inline _ForwardIterator
+    lower_bound(_ForwardIterator __first, _ForwardIterator __last,
+  const _Tp& __val)
+    {
+
+     
+     
+
+      ;
+      ;
+
+      return std::__lower_bound(__first, __last, __val,
+    __gnu_cxx::__ops::__iter_less_val());
+    }
+
+
+
+  inline constexpr int
+  __lg(int __n)
+  { return sizeof(int) * 8 - 1 - __builtin_clz(__n); }
+
+  inline constexpr unsigned
+  __lg(unsigned __n)
+  { return sizeof(int) * 8 - 1 - __builtin_clz(__n); }
+
+  inline constexpr long
+  __lg(long __n)
+  { return sizeof(long) * 8 - 1 - __builtin_clzl(__n); }
+
+  inline constexpr unsigned long
+  __lg(unsigned long __n)
+  { return sizeof(long) * 8 - 1 - __builtin_clzl(__n); }
+
+  inline constexpr long long
+  __lg(long long __n)
+  { return sizeof(long long) * 8 - 1 - __builtin_clzll(__n); }
+
+  inline constexpr unsigned long long
+  __lg(unsigned long long __n)
+  { return sizeof(long long) * 8 - 1 - __builtin_clzll(__n); }
+
+
+
+
+# 1036 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/stl_algobase.h" 3
+  template<typename _II1, typename _II2>
+    inline bool
+    equal(_II1 __first1, _II1 __last1, _II2 __first2)
+    {
+
+     
+     
+     
+
+
+      ;
+
+      return std::__equal_aux(std::__niter_base(__first1),
+         std::__niter_base(__last1),
+         std::__niter_base(__first2));
+    }
+# 1068 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/stl_algobase.h" 3
+  template<typename _IIter1, typename _IIter2, typename _BinaryPredicate>
+    inline bool
+    equal(_IIter1 __first1, _IIter1 __last1,
+   _IIter2 __first2, _BinaryPredicate __binary_pred)
+    {
+
+     
+     
+      ;
+
+      for (; __first1 != __last1; ++__first1, (void)++__first2)
+ if (!bool(__binary_pred(*__first1, *__first2)))
+   return false;
+      return true;
+    }
+# 1101 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/stl_algobase.h" 3
+  template<typename _II1, typename _II2>
+    inline bool
+    equal(_II1 __first1, _II1 __last1, _II2 __first2, _II2 __last2)
+    {
+
+     
+     
+     
+
+
+      ;
+      ;
+
+      using _RATag = random_access_iterator_tag;
+      using _Cat1 = typename iterator_traits<_II1>::iterator_category;
+      using _Cat2 = typename iterator_traits<_II2>::iterator_category;
+      using _RAIters = __and_<is_same<_Cat1, _RATag>, is_same<_Cat2, _RATag>>;
+      if (_RAIters())
+ {
+   auto __d1 = std::distance(__first1, __last1);
+   auto __d2 = std::distance(__first2, __last2);
+   if (__d1 != __d2)
+     return false;
+   return std::equal(__first1, __last1, __first2);
+ }
+
+      for (; __first1 != __last1 && __first2 != __last2;
+   ++__first1, (void)++__first2)
+ if (!(*__first1 == *__first2))
+   return false;
+      return __first1 == __last1 && __first2 == __last2;
+    }
+# 1150 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/stl_algobase.h" 3
+  template<typename _IIter1, typename _IIter2, typename _BinaryPredicate>
+    inline bool
+    equal(_IIter1 __first1, _IIter1 __last1,
+   _IIter2 __first2, _IIter2 __last2, _BinaryPredicate __binary_pred)
+    {
+
+     
+     
+      ;
+      ;
+
+      using _RATag = random_access_iterator_tag;
+      using _Cat1 = typename iterator_traits<_IIter1>::iterator_category;
+      using _Cat2 = typename iterator_traits<_IIter2>::iterator_category;
+      using _RAIters = __and_<is_same<_Cat1, _RATag>, is_same<_Cat2, _RATag>>;
+      if (_RAIters())
+ {
+   auto __d1 = std::distance(__first1, __last1);
+   auto __d2 = std::distance(__first2, __last2);
+   if (__d1 != __d2)
+     return false;
+   return std::equal(__first1, __last1, __first2,
+           __binary_pred);
+ }
+
+      for (; __first1 != __last1 && __first2 != __last2;
+   ++__first1, (void)++__first2)
+ if (!bool(__binary_pred(*__first1, *__first2)))
+   return false;
+      return __first1 == __last1 && __first2 == __last2;
+    }
+# 1198 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/stl_algobase.h" 3
+  template<typename _II1, typename _II2>
+    inline bool
+    lexicographical_compare(_II1 __first1, _II1 __last1,
+       _II2 __first2, _II2 __last2)
+    {
+
+
+
+
+
+     
+     
+     
+     
+      ;
+      ;
+      ;
+      ;
+
+      return std::__lexicographical_compare_aux(std::__niter_base(__first1),
+      std::__niter_base(__last1),
+      std::__niter_base(__first2),
+      std::__niter_base(__last2));
+    }
+# 1236 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/stl_algobase.h" 3
+  template<typename _II1, typename _II2, typename _Compare>
+    inline bool
+    lexicographical_compare(_II1 __first1, _II1 __last1,
+       _II2 __first2, _II2 __last2, _Compare __comp)
+    {
+
+     
+     
+      ;
+      ;
+      ;
+      ;
+
+      return std::__lexicographical_compare_impl
+ (__first1, __last1, __first2, __last2,
+  __gnu_cxx::__ops::__iter_comp_iter(__comp));
+    }
+
+  template<typename _InputIterator1, typename _InputIterator2,
+    typename _BinaryPredicate>
+    pair<_InputIterator1, _InputIterator2>
+    __mismatch(_InputIterator1 __first1, _InputIterator1 __last1,
+        _InputIterator2 __first2, _BinaryPredicate __binary_pred)
+    {
+      while (__first1 != __last1 && __binary_pred(__first1, __first2))
+        {
+   ++__first1;
+   ++__first2;
+        }
+      return pair<_InputIterator1, _InputIterator2>(__first1, __first2);
+    }
+# 1281 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/stl_algobase.h" 3
+  template<typename _InputIterator1, typename _InputIterator2>
+    inline pair<_InputIterator1, _InputIterator2>
+    mismatch(_InputIterator1 __first1, _InputIterator1 __last1,
+      _InputIterator2 __first2)
+    {
+
+     
+     
+     
+
+
+      ;
+
+      return std::__mismatch(__first1, __last1, __first2,
+        __gnu_cxx::__ops::__iter_equal_to_iter());
+    }
+# 1314 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/stl_algobase.h" 3
+  template<typename _InputIterator1, typename _InputIterator2,
+    typename _BinaryPredicate>
+    inline pair<_InputIterator1, _InputIterator2>
+    mismatch(_InputIterator1 __first1, _InputIterator1 __last1,
+      _InputIterator2 __first2, _BinaryPredicate __binary_pred)
+    {
+
+     
+     
+      ;
+
+      return std::__mismatch(__first1, __last1, __first2,
+ __gnu_cxx::__ops::__iter_comp_iter(__binary_pred));
+    }
+
+
+
+  template<typename _InputIterator1, typename _InputIterator2,
+    typename _BinaryPredicate>
+    pair<_InputIterator1, _InputIterator2>
+    __mismatch(_InputIterator1 __first1, _InputIterator1 __last1,
+        _InputIterator2 __first2, _InputIterator2 __last2,
+        _BinaryPredicate __binary_pred)
+    {
+      while (__first1 != __last1 && __first2 != __last2
+      && __binary_pred(__first1, __first2))
+        {
+   ++__first1;
+   ++__first2;
+        }
+      return pair<_InputIterator1, _InputIterator2>(__first1, __first2);
+    }
+# 1361 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/stl_algobase.h" 3
+  template<typename _InputIterator1, typename _InputIterator2>
+    inline pair<_InputIterator1, _InputIterator2>
+    mismatch(_InputIterator1 __first1, _InputIterator1 __last1,
+      _InputIterator2 __first2, _InputIterator2 __last2)
+    {
+
+     
+     
+     
+
+
+      ;
+      ;
+
+      return std::__mismatch(__first1, __last1, __first2, __last2,
+        __gnu_cxx::__ops::__iter_equal_to_iter());
+    }
+# 1396 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/stl_algobase.h" 3
+  template<typename _InputIterator1, typename _InputIterator2,
+    typename _BinaryPredicate>
+    inline pair<_InputIterator1, _InputIterator2>
+    mismatch(_InputIterator1 __first1, _InputIterator1 __last1,
+      _InputIterator2 __first2, _InputIterator2 __last2,
+      _BinaryPredicate __binary_pred)
+    {
+
+     
+     
+      ;
+      ;
+
+      return std::__mismatch(__first1, __last1, __first2, __last2,
+        __gnu_cxx::__ops::__iter_comp_iter(__binary_pred));
+    }
+
+
+
+}
+# 40 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/char_traits.h" 2 3
+
+# 1 "/aux/hubicka/trunk-install/include/c++/6.0.0/cwchar" 1 3
+# 39 "/aux/hubicka/trunk-install/include/c++/6.0.0/cwchar" 3
+       
+# 40 "/aux/hubicka/trunk-install/include/c++/6.0.0/cwchar" 3
+
+
+
+
+# 1 "/usr/include/wchar.h" 1 3 4
+# 45 "/aux/hubicka/trunk-install/include/c++/6.0.0/cwchar" 2 3
+# 42 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/char_traits.h" 2 3
+
+namespace __gnu_cxx __attribute__ ((__visibility__ ("default")))
+{
+
+# 57 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/char_traits.h" 3
+  template<typename _CharT>
+    struct _Char_types
+    {
+      typedef unsigned long int_type;
+      typedef std::streampos pos_type;
+      typedef std::streamoff off_type;
+      typedef std::mbstate_t state_type;
+    };
+# 82 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/char_traits.h" 3
+  template<typename _CharT>
+    struct char_traits
+    {
+      typedef _CharT char_type;
+      typedef typename _Char_types<_CharT>::int_type int_type;
+      typedef typename _Char_types<_CharT>::pos_type pos_type;
+      typedef typename _Char_types<_CharT>::off_type off_type;
+      typedef typename _Char_types<_CharT>::state_type state_type;
+
+      static void
+      assign(char_type& __c1, const char_type& __c2)
+      { __c1 = __c2; }
+
+      static constexpr bool
+      eq(const char_type& __c1, const char_type& __c2)
+      { return __c1 == __c2; }
+
+      static constexpr bool
+      lt(const char_type& __c1, const char_type& __c2)
+      { return __c1 < __c2; }
+
+      static int
+      compare(const char_type* __s1, const char_type* __s2, std::size_t __n);
+
+      static std::size_t
+      length(const char_type* __s);
+
+      static const char_type*
+      find(const char_type* __s, std::size_t __n, const char_type& __a);
+
+      static char_type*
+      move(char_type* __s1, const char_type* __s2, std::size_t __n);
+
+      static char_type*
+      copy(char_type* __s1, const char_type* __s2, std::size_t __n);
+
+      static char_type*
+      assign(char_type* __s, std::size_t __n, char_type __a);
+
+      static constexpr char_type
+      to_char_type(const int_type& __c)
+      { return static_cast<char_type>(__c); }
+
+      static constexpr int_type
+      to_int_type(const char_type& __c)
+      { return static_cast<int_type>(__c); }
+
+      static constexpr bool
+      eq_int_type(const int_type& __c1, const int_type& __c2)
+      { return __c1 == __c2; }
+
+      static constexpr int_type
+      eof()
+      { return static_cast<int_type>(-1); }
+
+      static constexpr int_type
+      not_eof(const int_type& __c)
+      { return !eq_int_type(__c, eof()) ? __c : to_int_type(char_type()); }
+    };
+
+  template<typename _CharT>
+    int
+    char_traits<_CharT>::
+    compare(const char_type* __s1, const char_type* __s2, std::size_t __n)
+    {
+      for (std::size_t __i = 0; __i < __n; ++__i)
+ if (lt(__s1[__i], __s2[__i]))
+   return -1;
+ else if (lt(__s2[__i], __s1[__i]))
+   return 1;
+      return 0;
+    }
+
+  template<typename _CharT>
+    std::size_t
+    char_traits<_CharT>::
+    length(const char_type* __p)
+    {
+      std::size_t __i = 0;
+      while (!eq(__p[__i], char_type()))
+        ++__i;
+      return __i;
+    }
+
+  template<typename _CharT>
+    const typename char_traits<_CharT>::char_type*
+    char_traits<_CharT>::
+    find(const char_type* __s, std::size_t __n, const char_type& __a)
+    {
+      for (std::size_t __i = 0; __i < __n; ++__i)
+        if (eq(__s[__i], __a))
+          return __s + __i;
+      return 0;
+    }
+
+  template<typename _CharT>
+    typename char_traits<_CharT>::char_type*
+    char_traits<_CharT>::
+    move(char_type* __s1, const char_type* __s2, std::size_t __n)
+    {
+      return static_cast<_CharT*>(__builtin_memmove(__s1, __s2,
+          __n * sizeof(char_type)));
+    }
+
+  template<typename _CharT>
+    typename char_traits<_CharT>::char_type*
+    char_traits<_CharT>::
+    copy(char_type* __s1, const char_type* __s2, std::size_t __n)
+    {
+
+      std::copy(__s2, __s2 + __n, __s1);
+      return __s1;
+    }
+
+  template<typename _CharT>
+    typename char_traits<_CharT>::char_type*
+    char_traits<_CharT>::
+    assign(char_type* __s, std::size_t __n, char_type __a)
+    {
+
+      std::fill_n(__s, __n, __a);
+      return __s;
+    }
+
+
+}
+
+namespace std __attribute__ ((__visibility__ ("default")))
+{
+
+# 226 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/char_traits.h" 3
+  template<class _CharT>
+    struct char_traits : public __gnu_cxx::char_traits<_CharT>
+    { };
+
+
+
+  template<>
+    struct char_traits<char>
+    {
+      typedef char char_type;
+      typedef int int_type;
+      typedef streampos pos_type;
+      typedef streamoff off_type;
+      typedef mbstate_t state_type;
+
+      static void
+      assign(char_type& __c1, const char_type& __c2) noexcept
+      { __c1 = __c2; }
+
+      static constexpr bool
+      eq(const char_type& __c1, const char_type& __c2) noexcept
+      { return __c1 == __c2; }
+
+      static constexpr bool
+      lt(const char_type& __c1, const char_type& __c2) noexcept
+      {
+
+ return (static_cast<unsigned char>(__c1)
+  < static_cast<unsigned char>(__c2));
+      }
+
+      static int
+      compare(const char_type* __s1, const char_type* __s2, size_t __n)
+      {
+ if (__n == 0)
+   return 0;
+ return __builtin_memcmp(__s1, __s2, __n);
+      }
+
+      static size_t
+      length(const char_type* __s)
+      { return __builtin_strlen(__s); }
+
+      static const char_type*
+      find(const char_type* __s, size_t __n, const char_type& __a)
+      {
+ if (__n == 0)
+   return 0;
+ return static_cast<const char_type*>(__builtin_memchr(__s, __a, __n));
+      }
+
+      static char_type*
+      move(char_type* __s1, const char_type* __s2, size_t __n)
+      {
+ if (__n == 0)
+   return __s1;
+ return static_cast<char_type*>(__builtin_memmove(__s1, __s2, __n));
+      }
+
+      static char_type*
+      copy(char_type* __s1, const char_type* __s2, size_t __n)
+      {
+ if (__n == 0)
+   return __s1;
+ return static_cast<char_type*>(__builtin_memcpy(__s1, __s2, __n));
+      }
+
+      static char_type*
+      assign(char_type* __s, size_t __n, char_type __a)
+      {
+ if (__n == 0)
+   return __s;
+ return static_cast<char_type*>(__builtin_memset(__s, __a, __n));
+      }
+
+      static constexpr char_type
+      to_char_type(const int_type& __c) noexcept
+      { return static_cast<char_type>(__c); }
+
+
+
+      static constexpr int_type
+      to_int_type(const char_type& __c) noexcept
+      { return static_cast<int_type>(static_cast<unsigned char>(__c)); }
+
+      static constexpr bool
+      eq_int_type(const int_type& __c1, const int_type& __c2) noexcept
+      { return __c1 == __c2; }
+
+      static constexpr int_type
+      eof() noexcept
+      { return static_cast<int_type>(-1); }
+
+      static constexpr int_type
+      not_eof(const int_type& __c) noexcept
+      { return (__c == eof()) ? 0 : __c; }
+  };
+
+
+
+
+  template<>
+    struct char_traits<wchar_t>
+    {
+      typedef wchar_t char_type;
+      typedef wint_t int_type;
+      typedef streamoff off_type;
+      typedef wstreampos pos_type;
+      typedef mbstate_t state_type;
+
+      static void
+      assign(char_type& __c1, const char_type& __c2) noexcept
+      { __c1 = __c2; }
+
+      static constexpr bool
+      eq(const char_type& __c1, const char_type& __c2) noexcept
+      { return __c1 == __c2; }
+
+      static constexpr bool
+      lt(const char_type& __c1, const char_type& __c2) noexcept
+      { return __c1 < __c2; }
+
+      static int
+      compare(const char_type* __s1, const char_type* __s2, size_t __n)
+      {
+ if (__n == 0)
+   return 0;
+ return wmemcmp(__s1, __s2, __n);
+      }
+
+      static size_t
+      length(const char_type* __s)
+      { return wcslen(__s); }
+
+      static const char_type*
+      find(const char_type* __s, size_t __n, const char_type& __a)
+      {
+ if (__n == 0)
+   return 0;
+ return wmemchr(__s, __a, __n);
+      }
+
+      static char_type*
+      move(char_type* __s1, const char_type* __s2, size_t __n)
+      {
+ if (__n == 0)
+   return __s1;
+ return wmemmove(__s1, __s2, __n);
+      }
+
+      static char_type*
+      copy(char_type* __s1, const char_type* __s2, size_t __n)
+      {
+ if (__n == 0)
+   return __s1;
+ return wmemcpy(__s1, __s2, __n);
+      }
+
+      static char_type*
+      assign(char_type* __s, size_t __n, char_type __a)
+      {
+ if (__n == 0)
+   return __s;
+ return wmemset(__s, __a, __n);
+      }
+
+      static constexpr char_type
+      to_char_type(const int_type& __c) noexcept
+      { return char_type(__c); }
+
+      static constexpr int_type
+      to_int_type(const char_type& __c) noexcept
+      { return int_type(__c); }
+
+      static constexpr bool
+      eq_int_type(const int_type& __c1, const int_type& __c2) noexcept
+      { return __c1 == __c2; }
+
+      static constexpr int_type
+      eof() noexcept
+      { return static_cast<int_type>((0xffffffffu)); }
+
+      static constexpr int_type
+      not_eof(const int_type& __c) noexcept
+      { return eq_int_type(__c, eof()) ? 0 : __c; }
+  };
+
+
+
+}
+
+
+
+
+# 1 "/aux/hubicka/trunk-install/include/c++/6.0.0/cstdint" 1 3
+# 32 "/aux/hubicka/trunk-install/include/c++/6.0.0/cstdint" 3
+       
+# 33 "/aux/hubicka/trunk-install/include/c++/6.0.0/cstdint" 3
+# 41 "/aux/hubicka/trunk-install/include/c++/6.0.0/cstdint" 3
+# 1 "/aux/hubicka/trunk-install/lib/gcc/x86_64-pc-linux-gnu/6.0.0/include/stdint.h" 1 3 4
+# 9 "/aux/hubicka/trunk-install/lib/gcc/x86_64-pc-linux-gnu/6.0.0/include/stdint.h" 3 4
+# 1 "/usr/include/stdint.h" 1 3 4
+# 28 "/usr/include/stdint.h" 3 4
+# 1 "/usr/include/x86_64-linux-gnu/bits/wordsize.h" 1 3 4
+# 29 "/usr/include/stdint.h" 2 3 4
+# 37 "/usr/include/stdint.h" 3 4
+typedef signed char int8_t;
+typedef short int int16_t;
+typedef int int32_t;
+
+typedef long int int64_t;
+
+
+
+
+
+
+
+typedef unsigned char uint8_t;
+typedef unsigned short int uint16_t;
+
+typedef unsigned int uint32_t;
+
+
+
+typedef unsigned long int uint64_t;
+# 66 "/usr/include/stdint.h" 3 4
+typedef signed char int_least8_t;
+typedef short int int_least16_t;
+typedef int int_least32_t;
+
+typedef long int int_least64_t;
+
+
+
+
+
+
+typedef unsigned char uint_least8_t;
+typedef unsigned short int uint_least16_t;
+typedef unsigned int uint_least32_t;
+
+typedef unsigned long int uint_least64_t;
+# 91 "/usr/include/stdint.h" 3 4
+typedef signed char int_fast8_t;
+
+typedef long int int_fast16_t;
+typedef long int int_fast32_t;
+typedef long int int_fast64_t;
+# 104 "/usr/include/stdint.h" 3 4
+typedef unsigned char uint_fast8_t;
+
+typedef unsigned long int uint_fast16_t;
+typedef unsigned long int uint_fast32_t;
+typedef unsigned long int uint_fast64_t;
+# 120 "/usr/include/stdint.h" 3 4
+typedef long int intptr_t;
+
+
+typedef unsigned long int uintptr_t;
+# 135 "/usr/include/stdint.h" 3 4
+typedef long int intmax_t;
+typedef unsigned long int uintmax_t;
+# 10 "/aux/hubicka/trunk-install/lib/gcc/x86_64-pc-linux-gnu/6.0.0/include/stdint.h" 2 3 4
+# 42 "/aux/hubicka/trunk-install/include/c++/6.0.0/cstdint" 2 3
+
+
+
+
+namespace std
+{
+  using ::int8_t;
+  using ::int16_t;
+  using ::int32_t;
+  using ::int64_t;
+
+  using ::int_fast8_t;
+  using ::int_fast16_t;
+  using ::int_fast32_t;
+  using ::int_fast64_t;
+
+  using ::int_least8_t;
+  using ::int_least16_t;
+  using ::int_least32_t;
+  using ::int_least64_t;
+
+  using ::intmax_t;
+  using ::intptr_t;
+
+  using ::uint8_t;
+  using ::uint16_t;
+  using ::uint32_t;
+  using ::uint64_t;
+
+  using ::uint_fast8_t;
+  using ::uint_fast16_t;
+  using ::uint_fast32_t;
+  using ::uint_fast64_t;
+
+  using ::uint_least8_t;
+  using ::uint_least16_t;
+  using ::uint_least32_t;
+  using ::uint_least64_t;
+
+  using ::uintmax_t;
+  using ::uintptr_t;
+}
+# 421 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/char_traits.h" 2 3
+
+namespace std __attribute__ ((__visibility__ ("default")))
+{
+
+
+  template<>
+    struct char_traits<char16_t>
+    {
+      typedef char16_t char_type;
+      typedef uint_least16_t int_type;
+      typedef streamoff off_type;
+      typedef u16streampos pos_type;
+      typedef mbstate_t state_type;
+
+      static void
+      assign(char_type& __c1, const char_type& __c2) noexcept
+      { __c1 = __c2; }
+
+      static constexpr bool
+      eq(const char_type& __c1, const char_type& __c2) noexcept
+      { return __c1 == __c2; }
+
+      static constexpr bool
+      lt(const char_type& __c1, const char_type& __c2) noexcept
+      { return __c1 < __c2; }
+
+      static int
+      compare(const char_type* __s1, const char_type* __s2, size_t __n)
+      {
+ for (size_t __i = 0; __i < __n; ++__i)
+   if (lt(__s1[__i], __s2[__i]))
+     return -1;
+   else if (lt(__s2[__i], __s1[__i]))
+     return 1;
+ return 0;
+      }
+
+      static size_t
+      length(const char_type* __s)
+      {
+ size_t __i = 0;
+ while (!eq(__s[__i], char_type()))
+   ++__i;
+ return __i;
+      }
+
+      static const char_type*
+      find(const char_type* __s, size_t __n, const char_type& __a)
+      {
+ for (size_t __i = 0; __i < __n; ++__i)
+   if (eq(__s[__i], __a))
+     return __s + __i;
+ return 0;
+      }
+
+      static char_type*
+      move(char_type* __s1, const char_type* __s2, size_t __n)
+      {
+ if (__n == 0)
+   return __s1;
+ return (static_cast<char_type*>
+  (__builtin_memmove(__s1, __s2, __n * sizeof(char_type))));
+      }
+
+      static char_type*
+      copy(char_type* __s1, const char_type* __s2, size_t __n)
+      {
+ if (__n == 0)
+   return __s1;
+ return (static_cast<char_type*>
+  (__builtin_memcpy(__s1, __s2, __n * sizeof(char_type))));
+      }
+
+      static char_type*
+      assign(char_type* __s, size_t __n, char_type __a)
+      {
+ for (size_t __i = 0; __i < __n; ++__i)
+   assign(__s[__i], __a);
+ return __s;
+      }
+
+      static constexpr char_type
+      to_char_type(const int_type& __c) noexcept
+      { return char_type(__c); }
+
+      static constexpr int_type
+      to_int_type(const char_type& __c) noexcept
+      { return int_type(__c); }
+
+      static constexpr bool
+      eq_int_type(const int_type& __c1, const int_type& __c2) noexcept
+      { return __c1 == __c2; }
+
+      static constexpr int_type
+      eof() noexcept
+      { return static_cast<int_type>(-1); }
+
+      static constexpr int_type
+      not_eof(const int_type& __c) noexcept
+      { return eq_int_type(__c, eof()) ? 0 : __c; }
+    };
+
+  template<>
+    struct char_traits<char32_t>
+    {
+      typedef char32_t char_type;
+      typedef uint_least32_t int_type;
+      typedef streamoff off_type;
+      typedef u32streampos pos_type;
+      typedef mbstate_t state_type;
+
+      static void
+      assign(char_type& __c1, const char_type& __c2) noexcept
+      { __c1 = __c2; }
+
+      static constexpr bool
+      eq(const char_type& __c1, const char_type& __c2) noexcept
+      { return __c1 == __c2; }
+
+      static constexpr bool
+      lt(const char_type& __c1, const char_type& __c2) noexcept
+      { return __c1 < __c2; }
+
+      static int
+      compare(const char_type* __s1, const char_type* __s2, size_t __n)
+      {
+ for (size_t __i = 0; __i < __n; ++__i)
+   if (lt(__s1[__i], __s2[__i]))
+     return -1;
+   else if (lt(__s2[__i], __s1[__i]))
+     return 1;
+ return 0;
+      }
+
+      static size_t
+      length(const char_type* __s)
+      {
+ size_t __i = 0;
+ while (!eq(__s[__i], char_type()))
+   ++__i;
+ return __i;
+      }
+
+      static const char_type*
+      find(const char_type* __s, size_t __n, const char_type& __a)
+      {
+ for (size_t __i = 0; __i < __n; ++__i)
+   if (eq(__s[__i], __a))
+     return __s + __i;
+ return 0;
+      }
+
+      static char_type*
+      move(char_type* __s1, const char_type* __s2, size_t __n)
+      {
+ if (__n == 0)
+   return __s1;
+ return (static_cast<char_type*>
+  (__builtin_memmove(__s1, __s2, __n * sizeof(char_type))));
+      }
+
+      static char_type*
+      copy(char_type* __s1, const char_type* __s2, size_t __n)
+      {
+ if (__n == 0)
+   return __s1;
+ return (static_cast<char_type*>
+  (__builtin_memcpy(__s1, __s2, __n * sizeof(char_type))));
+      }
+
+      static char_type*
+      assign(char_type* __s, size_t __n, char_type __a)
+      {
+ for (size_t __i = 0; __i < __n; ++__i)
+   assign(__s[__i], __a);
+ return __s;
+      }
+
+      static constexpr char_type
+      to_char_type(const int_type& __c) noexcept
+      { return char_type(__c); }
+
+      static constexpr int_type
+      to_int_type(const char_type& __c) noexcept
+      { return int_type(__c); }
+
+      static constexpr bool
+      eq_int_type(const int_type& __c1, const int_type& __c2) noexcept
+      { return __c1 == __c2; }
+
+      static constexpr int_type
+      eof() noexcept
+      { return static_cast<int_type>(-1); }
+
+      static constexpr int_type
+      not_eof(const int_type& __c) noexcept
+      { return eq_int_type(__c, eof()) ? 0 : __c; }
+    };
+
+
+}
+# 41 "/aux/hubicka/trunk-install/include/c++/6.0.0/ios" 2 3
+# 1 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/localefwd.h" 1 3
+# 37 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/localefwd.h" 3
+       
+# 38 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/localefwd.h" 3
+
+
+# 1 "/aux/hubicka/trunk-install/include/c++/6.0.0/x86_64-pc-linux-gnu/bits/c++locale.h" 1 3
+# 39 "/aux/hubicka/trunk-install/include/c++/6.0.0/x86_64-pc-linux-gnu/bits/c++locale.h" 3
+       
+# 40 "/aux/hubicka/trunk-install/include/c++/6.0.0/x86_64-pc-linux-gnu/bits/c++locale.h" 3
+
+# 1 "/aux/hubicka/trunk-install/include/c++/6.0.0/clocale" 1 3
+# 39 "/aux/hubicka/trunk-install/include/c++/6.0.0/clocale" 3
+       
+# 40 "/aux/hubicka/trunk-install/include/c++/6.0.0/clocale" 3
+
+
+# 1 "/usr/include/locale.h" 1 3 4
+# 29 "/usr/include/locale.h" 3 4
+# 1 "/aux/hubicka/trunk-install/lib/gcc/x86_64-pc-linux-gnu/6.0.0/include/stddef.h" 1 3 4
+# 30 "/usr/include/locale.h" 2 3 4
+# 1 "/usr/include/x86_64-linux-gnu/bits/locale.h" 1 3 4
+# 27 "/usr/include/x86_64-linux-gnu/bits/locale.h" 3 4
+enum
+{
+  __LC_CTYPE = 0,
+  __LC_NUMERIC = 1,
+  __LC_TIME = 2,
+  __LC_COLLATE = 3,
+  __LC_MONETARY = 4,
+  __LC_MESSAGES = 5,
+  __LC_ALL = 6,
+  __LC_PAPER = 7,
+  __LC_NAME = 8,
+  __LC_ADDRESS = 9,
+  __LC_TELEPHONE = 10,
+  __LC_MEASUREMENT = 11,
+  __LC_IDENTIFICATION = 12
+};
+# 31 "/usr/include/locale.h" 2 3 4
+
+extern "C" {
+# 51 "/usr/include/locale.h" 3 4
+
+
+
+struct lconv
+{
+
+
+  char *decimal_point;
+  char *thousands_sep;
+
+
+
+
+
+  char *grouping;
+
+
+
+
+
+  char *int_curr_symbol;
+  char *currency_symbol;
+  char *mon_decimal_point;
+  char *mon_thousands_sep;
+  char *mon_grouping;
+  char *positive_sign;
+  char *negative_sign;
+  char int_frac_digits;
+  char frac_digits;
+
+  char p_cs_precedes;
+
+  char p_sep_by_space;
+
+  char n_cs_precedes;
+
+  char n_sep_by_space;
+
+
+
+
+
+
+  char p_sign_posn;
+  char n_sign_posn;
+
+
+  char int_p_cs_precedes;
+
+  char int_p_sep_by_space;
+
+  char int_n_cs_precedes;
+
+  char int_n_sep_by_space;
+
+
+
+
+
+
+  char int_p_sign_posn;
+  char int_n_sign_posn;
+# 121 "/usr/include/locale.h" 3 4
+};
+
+
+
+extern char *setlocale (int __category, __const char *__locale) throw ();
+
+
+extern struct lconv *localeconv (void) throw ();
+
+
+# 152 "/usr/include/locale.h" 3 4
+extern __locale_t newlocale (int __category_mask, __const char *__locale,
+        __locale_t __base) throw ();
+# 187 "/usr/include/locale.h" 3 4
+extern __locale_t duplocale (__locale_t __dataset) throw ();
+
+
+
+extern void freelocale (__locale_t __dataset) throw ();
+
+
+
+
+
+
+extern __locale_t uselocale (__locale_t __dataset) throw ();
+
+
+
+
+
+
+
+}
+# 43 "/aux/hubicka/trunk-install/include/c++/6.0.0/clocale" 2 3
+# 51 "/aux/hubicka/trunk-install/include/c++/6.0.0/clocale" 3
+namespace std
+{
+  using ::lconv;
+  using ::setlocale;
+  using ::localeconv;
+}
+# 42 "/aux/hubicka/trunk-install/include/c++/6.0.0/x86_64-pc-linux-gnu/bits/c++locale.h" 2 3
+
+
+
+
+
+
+namespace __gnu_cxx __attribute__ ((__visibility__ ("default")))
+{
+
+
+  extern "C" __typeof(uselocale) __uselocale;
+
+
+}
+
+
+namespace std __attribute__ ((__visibility__ ("default")))
+{
+
+
+  typedef __locale_t __c_locale;
+
+
+
+
+
+  inline int
+  __convert_from_v(const __c_locale& __cloc __attribute__ ((__unused__)),
+     char* __out,
+     const int __size __attribute__ ((__unused__)),
+     const char* __fmt, ...)
+  {
+
+    __c_locale __old = __gnu_cxx::__uselocale(__cloc);
+# 88 "/aux/hubicka/trunk-install/include/c++/6.0.0/x86_64-pc-linux-gnu/bits/c++locale.h" 3
+    __builtin_va_list __args;
+    __builtin_va_start(__args, __fmt);
+
+
+    const int __ret = __builtin_vsnprintf(__out, __size, __fmt, __args);
+
+
+
+
+    __builtin_va_end(__args);
+
+
+    __gnu_cxx::__uselocale(__old);
+
+
+
+
+
+
+
+    return __ret;
+  }
+
+
+}
+# 41 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/localefwd.h" 2 3
+
+# 1 "/aux/hubicka/trunk-install/include/c++/6.0.0/cctype" 1 3
+# 39 "/aux/hubicka/trunk-install/include/c++/6.0.0/cctype" 3
+       
+# 40 "/aux/hubicka/trunk-install/include/c++/6.0.0/cctype" 3
+
+
+# 1 "/usr/include/ctype.h" 1 3 4
+# 28 "/usr/include/ctype.h" 3 4
+# 1 "/usr/include/x86_64-linux-gnu/bits/types.h" 1 3 4
+# 28 "/usr/include/x86_64-linux-gnu/bits/types.h" 3 4
+# 1 "/usr/include/x86_64-linux-gnu/bits/wordsize.h" 1 3 4
+# 29 "/usr/include/x86_64-linux-gnu/bits/types.h" 2 3 4
+
+
+typedef unsigned char __u_char;
+typedef unsigned short int __u_short;
+typedef unsigned int __u_int;
+typedef unsigned long int __u_long;
+
+
+typedef signed char __int8_t;
+typedef unsigned char __uint8_t;
+typedef signed short int __int16_t;
+typedef unsigned short int __uint16_t;
+typedef signed int __int32_t;
+typedef unsigned int __uint32_t;
+
+typedef signed long int __int64_t;
+typedef unsigned long int __uint64_t;
+
+
+
+
+
+
+
+typedef long int __quad_t;
+typedef unsigned long int __u_quad_t;
+# 131 "/usr/include/x86_64-linux-gnu/bits/types.h" 3 4
+# 1 "/usr/include/x86_64-linux-gnu/bits/typesizes.h" 1 3 4
+# 132 "/usr/include/x86_64-linux-gnu/bits/types.h" 2 3 4
+
+
+typedef unsigned long int __dev_t;
+typedef unsigned int __uid_t;
+typedef unsigned int __gid_t;
+typedef unsigned long int __ino_t;
+typedef unsigned long int __ino64_t;
+typedef unsigned int __mode_t;
+typedef unsigned long int __nlink_t;
+typedef long int __off_t;
+typedef long int __off64_t;
+typedef int __pid_t;
+typedef struct { int __val[2]; } __fsid_t;
+typedef long int __clock_t;
+typedef unsigned long int __rlim_t;
+typedef unsigned long int __rlim64_t;
+typedef unsigned int __id_t;
+typedef long int __time_t;
+typedef unsigned int __useconds_t;
+typedef long int __suseconds_t;
+
+typedef int __daddr_t;
+typedef long int __swblk_t;
+typedef int __key_t;
+
+
+typedef int __clockid_t;
+
+
+typedef void * __timer_t;
+
+
+typedef long int __blksize_t;
+
+
+
+
+typedef long int __blkcnt_t;
+typedef long int __blkcnt64_t;
+
+
+typedef unsigned long int __fsblkcnt_t;
+typedef unsigned long int __fsblkcnt64_t;
+
+
+typedef unsigned long int __fsfilcnt_t;
+typedef unsigned long int __fsfilcnt64_t;
+
+typedef long int __ssize_t;
+
+
+
+typedef __off64_t __loff_t;
+typedef __quad_t *__qaddr_t;
+typedef char *__caddr_t;
+
+
+typedef long int __intptr_t;
+
+
+typedef unsigned int __socklen_t;
+# 29 "/usr/include/ctype.h" 2 3 4
+
+extern "C" {
+# 41 "/usr/include/ctype.h" 3 4
+# 1 "/usr/include/endian.h" 1 3 4
+# 37 "/usr/include/endian.h" 3 4
+# 1 "/usr/include/x86_64-linux-gnu/bits/endian.h" 1 3 4
+# 38 "/usr/include/endian.h" 2 3 4
+# 61 "/usr/include/endian.h" 3 4
+# 1 "/usr/include/x86_64-linux-gnu/bits/byteswap.h" 1 3 4
+# 28 "/usr/include/x86_64-linux-gnu/bits/byteswap.h" 3 4
+# 1 "/usr/include/x86_64-linux-gnu/bits/wordsize.h" 1 3 4
+# 29 "/usr/include/x86_64-linux-gnu/bits/byteswap.h" 2 3 4
+# 62 "/usr/include/endian.h" 2 3 4
+# 42 "/usr/include/ctype.h" 2 3 4
+
+
+
+
+
+
+enum
+{
+  _ISupper = ((0) < 8 ? ((1 << (0)) << 8) : ((1 << (0)) >> 8)),
+  _ISlower = ((1) < 8 ? ((1 << (1)) << 8) : ((1 << (1)) >> 8)),
+  _ISalpha = ((2) < 8 ? ((1 << (2)) << 8) : ((1 << (2)) >> 8)),
+  _ISdigit = ((3) < 8 ? ((1 << (3)) << 8) : ((1 << (3)) >> 8)),
+  _ISxdigit = ((4) < 8 ? ((1 << (4)) << 8) : ((1 << (4)) >> 8)),
+  _ISspace = ((5) < 8 ? ((1 << (5)) << 8) : ((1 << (5)) >> 8)),
+  _ISprint = ((6) < 8 ? ((1 << (6)) << 8) : ((1 << (6)) >> 8)),
+  _ISgraph = ((7) < 8 ? ((1 << (7)) << 8) : ((1 << (7)) >> 8)),
+  _ISblank = ((8) < 8 ? ((1 << (8)) << 8) : ((1 << (8)) >> 8)),
+  _IScntrl = ((9) < 8 ? ((1 << (9)) << 8) : ((1 << (9)) >> 8)),
+  _ISpunct = ((10) < 8 ? ((1 << (10)) << 8) : ((1 << (10)) >> 8)),
+  _ISalnum = ((11) < 8 ? ((1 << (11)) << 8) : ((1 << (11)) >> 8))
+};
+# 81 "/usr/include/ctype.h" 3 4
+extern __const unsigned short int **__ctype_b_loc (void)
+     throw () __attribute__ ((__const));
+extern __const __int32_t **__ctype_tolower_loc (void)
+     throw () __attribute__ ((__const));
+extern __const __int32_t **__ctype_toupper_loc (void)
+     throw () __attribute__ ((__const));
+# 96 "/usr/include/ctype.h" 3 4
+
+
+
+
+
+
+extern int isalnum (int) throw ();
+extern int isalpha (int) throw ();
+extern int iscntrl (int) throw ();
+extern int isdigit (int) throw ();
+extern int islower (int) throw ();
+extern int isgraph (int) throw ();
+extern int isprint (int) throw ();
+extern int ispunct (int) throw ();
+extern int isspace (int) throw ();
+extern int isupper (int) throw ();
+extern int isxdigit (int) throw ();
+
+
+
+extern int tolower (int __c) throw ();
+
+
+extern int toupper (int __c) throw ();
+
+
+
+
+
+
+
+
+extern int isblank (int) throw ();
+
+
+
+
+
+
+extern int isctype (int __c, int __mask) throw ();
+
+
+
+
+
+
+extern int isascii (int __c) throw ();
+
+
+
+extern int toascii (int __c) throw ();
+
+
+
+extern int _toupper (int) throw ();
+extern int _tolower (int) throw ();
+# 247 "/usr/include/ctype.h" 3 4
+extern int isalnum_l (int, __locale_t) throw ();
+extern int isalpha_l (int, __locale_t) throw ();
+extern int iscntrl_l (int, __locale_t) throw ();
+extern int isdigit_l (int, __locale_t) throw ();
+extern int islower_l (int, __locale_t) throw ();
+extern int isgraph_l (int, __locale_t) throw ();
+extern int isprint_l (int, __locale_t) throw ();
+extern int ispunct_l (int, __locale_t) throw ();
+extern int isspace_l (int, __locale_t) throw ();
+extern int isupper_l (int, __locale_t) throw ();
+extern int isxdigit_l (int, __locale_t) throw ();
+
+extern int isblank_l (int, __locale_t) throw ();
+
+
+
+extern int __tolower_l (int __c, __locale_t __l) throw ();
+extern int tolower_l (int __c, __locale_t __l) throw ();
+
+
+extern int __toupper_l (int __c, __locale_t __l) throw ();
+extern int toupper_l (int __c, __locale_t __l) throw ();
+# 323 "/usr/include/ctype.h" 3 4
+}
+# 43 "/aux/hubicka/trunk-install/include/c++/6.0.0/cctype" 2 3
+# 62 "/aux/hubicka/trunk-install/include/c++/6.0.0/cctype" 3
+namespace std
+{
+  using ::isalnum;
+  using ::isalpha;
+  using ::iscntrl;
+  using ::isdigit;
+  using ::isgraph;
+  using ::islower;
+  using ::isprint;
+  using ::ispunct;
+  using ::isspace;
+  using ::isupper;
+  using ::isxdigit;
+  using ::tolower;
+  using ::toupper;
+}
+
+
+
+
+
+
+
+namespace std
+{
+  using ::isblank;
+}
+# 43 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/localefwd.h" 2 3
+
+namespace std __attribute__ ((__visibility__ ("default")))
+{
+
+# 55 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/localefwd.h" 3
+  class locale;
+
+  template<typename _Facet>
+    bool
+    has_facet(const locale&) throw();
+
+  template<typename _Facet>
+    const _Facet&
+    use_facet(const locale&);
+
+
+  template<typename _CharT>
+    bool
+    isspace(_CharT, const locale&);
+
+  template<typename _CharT>
+    bool
+    isprint(_CharT, const locale&);
+
+  template<typename _CharT>
+    bool
+    iscntrl(_CharT, const locale&);
+
+  template<typename _CharT>
+    bool
+    isupper(_CharT, const locale&);
+
+  template<typename _CharT>
+    bool
+    islower(_CharT, const locale&);
+
+  template<typename _CharT>
+    bool
+    isalpha(_CharT, const locale&);
+
+  template<typename _CharT>
+    bool
+    isdigit(_CharT, const locale&);
+
+  template<typename _CharT>
+    bool
+    ispunct(_CharT, const locale&);
+
+  template<typename _CharT>
+    bool
+    isxdigit(_CharT, const locale&);
+
+  template<typename _CharT>
+    bool
+    isalnum(_CharT, const locale&);
+
+  template<typename _CharT>
+    bool
+    isgraph(_CharT, const locale&);
+
+
+  template<typename _CharT>
+    bool
+    isblank(_CharT, const locale&);
+
+
+  template<typename _CharT>
+    _CharT
+    toupper(_CharT, const locale&);
+
+  template<typename _CharT>
+    _CharT
+    tolower(_CharT, const locale&);
+
+
+  class ctype_base;
+  template<typename _CharT>
+    class ctype;
+  template<> class ctype<char>;
+
+  template<> class ctype<wchar_t>;
+
+  template<typename _CharT>
+    class ctype_byname;
+
+
+  class codecvt_base;
+  template<typename _InternT, typename _ExternT, typename _StateT>
+    class codecvt;
+  template<> class codecvt<char, char, mbstate_t>;
+
+  template<> class codecvt<wchar_t, char, mbstate_t>;
+
+  template<typename _InternT, typename _ExternT, typename _StateT>
+    class codecvt_byname;
+
+
+
+  template<typename _CharT, typename _InIter = istreambuf_iterator<_CharT> >
+    class num_get;
+  template<typename _CharT, typename _OutIter = ostreambuf_iterator<_CharT> >
+    class num_put;
+
+namespace __cxx11 {
+  template<typename _CharT> class numpunct;
+  template<typename _CharT> class numpunct_byname;
+}
+
+namespace __cxx11 {
+
+  template<typename _CharT>
+    class collate;
+  template<typename _CharT>
+    class collate_byname;
+}
+
+
+  class time_base;
+namespace __cxx11 {
+  template<typename _CharT, typename _InIter = istreambuf_iterator<_CharT> >
+    class time_get;
+  template<typename _CharT, typename _InIter = istreambuf_iterator<_CharT> >
+    class time_get_byname;
+}
+  template<typename _CharT, typename _OutIter = ostreambuf_iterator<_CharT> >
+    class time_put;
+  template<typename _CharT, typename _OutIter = ostreambuf_iterator<_CharT> >
+    class time_put_byname;
+
+
+  class money_base;
+namespace __cxx11 {
+  template<typename _CharT, typename _InIter = istreambuf_iterator<_CharT> >
+    class money_get;
+  template<typename _CharT, typename _OutIter = ostreambuf_iterator<_CharT> >
+    class money_put;
+}
+namespace __cxx11 {
+  template<typename _CharT, bool _Intl = false>
+    class moneypunct;
+  template<typename _CharT, bool _Intl = false>
+    class moneypunct_byname;
+}
+
+
+  class messages_base;
+namespace __cxx11 {
+  template<typename _CharT>
+    class messages;
+  template<typename _CharT>
+    class messages_byname;
+}
+
+
+}
+# 42 "/aux/hubicka/trunk-install/include/c++/6.0.0/ios" 2 3
+# 1 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/ios_base.h" 1 3
+# 37 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/ios_base.h" 3
+       
+# 38 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/ios_base.h" 3
+
+# 1 "/aux/hubicka/trunk-install/include/c++/6.0.0/ext/atomicity.h" 1 3
+# 32 "/aux/hubicka/trunk-install/include/c++/6.0.0/ext/atomicity.h" 3
+       
+# 33 "/aux/hubicka/trunk-install/include/c++/6.0.0/ext/atomicity.h" 3
+
+
+# 1 "/aux/hubicka/trunk-install/include/c++/6.0.0/x86_64-pc-linux-gnu/bits/gthr.h" 1 3
+# 30 "/aux/hubicka/trunk-install/include/c++/6.0.0/x86_64-pc-linux-gnu/bits/gthr.h" 3
+#pragma GCC visibility push(default)
+# 148 "/aux/hubicka/trunk-install/include/c++/6.0.0/x86_64-pc-linux-gnu/bits/gthr.h" 3
+# 1 "/aux/hubicka/trunk-install/include/c++/6.0.0/x86_64-pc-linux-gnu/bits/gthr-default.h" 1 3
+# 35 "/aux/hubicka/trunk-install/include/c++/6.0.0/x86_64-pc-linux-gnu/bits/gthr-default.h" 3
+# 1 "/usr/include/pthread.h" 1 3 4
+# 25 "/usr/include/pthread.h" 3 4
+# 1 "/usr/include/sched.h" 1 3 4
+# 30 "/usr/include/sched.h" 3 4
+# 1 "/aux/hubicka/trunk-install/lib/gcc/x86_64-pc-linux-gnu/6.0.0/include/stddef.h" 1 3 4
+# 31 "/usr/include/sched.h" 2 3 4
+
+
+
+# 1 "/usr/include/time.h" 1 3 4
+# 74 "/usr/include/time.h" 3 4
+
+
+typedef __time_t time_t;
+
+
+
+# 120 "/usr/include/time.h" 3 4
+struct timespec
+  {
+    __time_t tv_sec;
+    long int tv_nsec;
+  };
+# 35 "/usr/include/sched.h" 2 3 4
+
+
+typedef __pid_t pid_t;
+
+
+
+
+
+# 1 "/usr/include/x86_64-linux-gnu/bits/sched.h" 1 3 4
+# 74 "/usr/include/x86_64-linux-gnu/bits/sched.h" 3 4
+struct sched_param
+  {
+    int __sched_priority;
+  };
+
+extern "C" {
+
+
+
+extern int clone (int (*__fn) (void *__arg), void *__child_stack,
+    int __flags, void *__arg, ...) throw ();
+
+
+extern int unshare (int __flags) throw ();
+
+
+extern int sched_getcpu (void) throw ();
+
+
+}
+
+
+
+
+
+
+
+struct __sched_param
+  {
+    int __sched_priority;
+  };
+# 116 "/usr/include/x86_64-linux-gnu/bits/sched.h" 3 4
+typedef unsigned long int __cpu_mask;
+
+
+
+
+
+
+typedef struct
+{
+  __cpu_mask __bits[1024 / (8 * sizeof (__cpu_mask))];
+} cpu_set_t;
+# 199 "/usr/include/x86_64-linux-gnu/bits/sched.h" 3 4
+extern "C" {
+
+extern int __sched_cpucount (size_t __setsize, const cpu_set_t *__setp)
+  throw ();
+extern cpu_set_t *__sched_cpualloc (size_t __count) throw () ;
+extern void __sched_cpufree (cpu_set_t *__set) throw ();
+
+}
+# 44 "/usr/include/sched.h" 2 3 4
+
+
+
+
+extern "C" {
+
+
+extern int sched_setparam (__pid_t __pid, __const struct sched_param *__param)
+     throw ();
+
+
+extern int sched_getparam (__pid_t __pid, struct sched_param *__param) throw ();
+
+
+extern int sched_setscheduler (__pid_t __pid, int __policy,
+          __const struct sched_param *__param) throw ();
+
+
+extern int sched_getscheduler (__pid_t __pid) throw ();
+
+
+extern int sched_yield (void) throw ();
+
+
+extern int sched_get_priority_max (int __algorithm) throw ();
+
+
+extern int sched_get_priority_min (int __algorithm) throw ();
+
+
+extern int sched_rr_get_interval (__pid_t __pid, struct timespec *__t) throw ();
+# 118 "/usr/include/sched.h" 3 4
+extern int sched_setaffinity (__pid_t __pid, size_t __cpusetsize,
+         __const cpu_set_t *__cpuset) throw ();
+
+
+extern int sched_getaffinity (__pid_t __pid, size_t __cpusetsize,
+         cpu_set_t *__cpuset) throw ();
+
+
+}
+# 26 "/usr/include/pthread.h" 2 3 4
+# 1 "/usr/include/time.h" 1 3 4
+# 30 "/usr/include/time.h" 3 4
+extern "C" {
+
+
+
+
+
+
+
+# 1 "/aux/hubicka/trunk-install/lib/gcc/x86_64-pc-linux-gnu/6.0.0/include/stddef.h" 1 3 4
+# 39 "/usr/include/time.h" 2 3 4
+
+
+
+# 1 "/usr/include/x86_64-linux-gnu/bits/time.h" 1 3 4
+# 43 "/usr/include/time.h" 2 3 4
+# 58 "/usr/include/time.h" 3 4
+
+
+typedef __clock_t clock_t;
+
+
+
+# 92 "/usr/include/time.h" 3 4
+typedef __clockid_t clockid_t;
+# 104 "/usr/include/time.h" 3 4
+typedef __timer_t timer_t;
+# 131 "/usr/include/time.h" 3 4
+
+
+struct tm
+{
+  int tm_sec;
+  int tm_min;
+  int tm_hour;
+  int tm_mday;
+  int tm_mon;
+  int tm_year;
+  int tm_wday;
+  int tm_yday;
+  int tm_isdst;
+
+
+  long int tm_gmtoff;
+  __const char *tm_zone;
+
+
+
+
+};
+
+
+
+
+
+
+
+
+struct itimerspec
+  {
+    struct timespec it_interval;
+    struct timespec it_value;
+  };
+
+
+struct sigevent;
+# 180 "/usr/include/time.h" 3 4
+
+
+
+extern clock_t clock (void) throw ();
+
+
+extern time_t time (time_t *__timer) throw ();
+
+
+extern double difftime (time_t __time1, time_t __time0)
+     throw () __attribute__ ((__const__));
+
+
+extern time_t mktime (struct tm *__tp) throw ();
+
+
+
+
+
+extern size_t strftime (char *__restrict __s, size_t __maxsize,
+   __const char *__restrict __format,
+   __const struct tm *__restrict __tp) throw ();
+
+
+
+
+
+extern char *strptime (__const char *__restrict __s,
+         __const char *__restrict __fmt, struct tm *__tp)
+     throw ();
+
+
+
+
+
+
+
+extern size_t strftime_l (char *__restrict __s, size_t __maxsize,
+     __const char *__restrict __format,
+     __const struct tm *__restrict __tp,
+     __locale_t __loc) throw ();
+
+
+
+extern char *strptime_l (__const char *__restrict __s,
+    __const char *__restrict __fmt, struct tm *__tp,
+    __locale_t __loc) throw ();
+
+
+
+
+
+
+extern struct tm *gmtime (__const time_t *__timer) throw ();
+
+
+
+extern struct tm *localtime (__const time_t *__timer) throw ();
+
+
+
+
+
+extern struct tm *gmtime_r (__const time_t *__restrict __timer,
+       struct tm *__restrict __tp) throw ();
+
+
+
+extern struct tm *localtime_r (__const time_t *__restrict __timer,
+          struct tm *__restrict __tp) throw ();
+
+
+
+
+
+extern char *asctime (__const struct tm *__tp) throw ();
+
+
+extern char *ctime (__const time_t *__timer) throw ();
+
+
+
+
+
+
+
+extern char *asctime_r (__const struct tm *__restrict __tp,
+   char *__restrict __buf) throw ();
+
+
+extern char *ctime_r (__const time_t *__restrict __timer,
+        char *__restrict __buf) throw ();
+
+
+
+
+extern char *__tzname[2];
+extern int __daylight;
+extern long int __timezone;
+
+
+
+
+extern char *tzname[2];
+
+
+
+extern void tzset (void) throw ();
+
+
+
+extern int daylight;
+extern long int timezone;
+
+
+
+
+
+extern int stime (__const time_t *__when) throw ();
+# 313 "/usr/include/time.h" 3 4
+extern time_t timegm (struct tm *__tp) throw ();
+
+
+extern time_t timelocal (struct tm *__tp) throw ();
+
+
+extern int dysize (int __year) throw () __attribute__ ((__const__));
+# 328 "/usr/include/time.h" 3 4
+extern int nanosleep (__const struct timespec *__requested_time,
+        struct timespec *__remaining);
+
+
+
+extern int clock_getres (clockid_t __clock_id, struct timespec *__res) throw ();
+
+
+extern int clock_gettime (clockid_t __clock_id, struct timespec *__tp) throw ();
+
+
+extern int clock_settime (clockid_t __clock_id, __const struct timespec *__tp)
+     throw ();
+
+
+
+
+
+
+extern int clock_nanosleep (clockid_t __clock_id, int __flags,
+       __const struct timespec *__req,
+       struct timespec *__rem);
+
+
+extern int clock_getcpuclockid (pid_t __pid, clockid_t *__clock_id) throw ();
+
+
+
+
+extern int timer_create (clockid_t __clock_id,
+    struct sigevent *__restrict __evp,
+    timer_t *__restrict __timerid) throw ();
+
+
+extern int timer_delete (timer_t __timerid) throw ();
+
+
+extern int timer_settime (timer_t __timerid, int __flags,
+     __const struct itimerspec *__restrict __value,
+     struct itimerspec *__restrict __ovalue) throw ();
+
+
+extern int timer_gettime (timer_t __timerid, struct itimerspec *__value)
+     throw ();
+
+
+extern int timer_getoverrun (timer_t __timerid) throw ();
+# 390 "/usr/include/time.h" 3 4
+extern int getdate_err;
+# 399 "/usr/include/time.h" 3 4
+extern struct tm *getdate (__const char *__string);
+# 413 "/usr/include/time.h" 3 4
+extern int getdate_r (__const char *__restrict __string,
+        struct tm *__restrict __resbufp);
+
+
+}
+# 27 "/usr/include/pthread.h" 2 3 4
+
+# 1 "/usr/include/x86_64-linux-gnu/bits/pthreadtypes.h" 1 3 4
+# 23 "/usr/include/x86_64-linux-gnu/bits/pthreadtypes.h" 3 4
+# 1 "/usr/include/x86_64-linux-gnu/bits/wordsize.h" 1 3 4
+# 24 "/usr/include/x86_64-linux-gnu/bits/pthreadtypes.h" 2 3 4
+# 50 "/usr/include/x86_64-linux-gnu/bits/pthreadtypes.h" 3 4
+typedef unsigned long int pthread_t;
+
+
+typedef union
+{
+  char __size[56];
+  long int __align;
+} pthread_attr_t;
+
+
+
+typedef struct __pthread_internal_list
+{
+  struct __pthread_internal_list *__prev;
+  struct __pthread_internal_list *__next;
+} __pthread_list_t;
+# 76 "/usr/include/x86_64-linux-gnu/bits/pthreadtypes.h" 3 4
+typedef union
+{
+  struct __pthread_mutex_s
+  {
+    int __lock;
+    unsigned int __count;
+    int __owner;
+
+    unsigned int __nusers;
+
+
+
+    int __kind;
+
+    int __spins;
+    __pthread_list_t __list;
+# 101 "/usr/include/x86_64-linux-gnu/bits/pthreadtypes.h" 3 4
+  } __data;
+  char __size[40];
+  long int __align;
+} pthread_mutex_t;
+
+typedef union
+{
+  char __size[4];
+  int __align;
+} pthread_mutexattr_t;
+
+
+
+
+typedef union
+{
+  struct
+  {
+    int __lock;
+    unsigned int __futex;
+    __extension__ unsigned long long int __total_seq;
+    __extension__ unsigned long long int __wakeup_seq;
+    __extension__ unsigned long long int __woken_seq;
+    void *__mutex;
+    unsigned int __nwaiters;
+    unsigned int __broadcast_seq;
+  } __data;
+  char __size[48];
+  __extension__ long long int __align;
+} pthread_cond_t;
+
+typedef union
+{
+  char __size[4];
+  int __align;
+} pthread_condattr_t;
+
+
+
+typedef unsigned int pthread_key_t;
+
+
+
+typedef int pthread_once_t;
+
+
+
+
+
+typedef union
+{
+
+  struct
+  {
+    int __lock;
+    unsigned int __nr_readers;
+    unsigned int __readers_wakeup;
+    unsigned int __writer_wakeup;
+    unsigned int __nr_readers_queued;
+    unsigned int __nr_writers_queued;
+    int __writer;
+    int __shared;
+    unsigned long int __pad1;
+    unsigned long int __pad2;
+
+
+    unsigned int __flags;
+  } __data;
+# 187 "/usr/include/x86_64-linux-gnu/bits/pthreadtypes.h" 3 4
+  char __size[56];
+  long int __align;
+} pthread_rwlock_t;
+
+typedef union
+{
+  char __size[8];
+  long int __align;
+} pthread_rwlockattr_t;
+
+
+
+
+
+typedef volatile int pthread_spinlock_t;
+
+
+
+
+typedef union
+{
+  char __size[32];
+  long int __align;
+} pthread_barrier_t;
+
+typedef union
+{
+  char __size[4];
+  int __align;
+} pthread_barrierattr_t;
+# 29 "/usr/include/pthread.h" 2 3 4
+# 1 "/usr/include/x86_64-linux-gnu/bits/setjmp.h" 1 3 4
+# 27 "/usr/include/x86_64-linux-gnu/bits/setjmp.h" 3 4
+# 1 "/usr/include/x86_64-linux-gnu/bits/wordsize.h" 1 3 4
+# 28 "/usr/include/x86_64-linux-gnu/bits/setjmp.h" 2 3 4
+
+
+
+
+typedef long int __jmp_buf[8];
+# 30 "/usr/include/pthread.h" 2 3 4
+# 1 "/usr/include/x86_64-linux-gnu/bits/wordsize.h" 1 3 4
+# 31 "/usr/include/pthread.h" 2 3 4
+
+
+
+enum
+{
+  PTHREAD_CREATE_JOINABLE,
+
+  PTHREAD_CREATE_DETACHED
+
+};
+
+
+
+enum
+{
+  PTHREAD_MUTEX_TIMED_NP,
+  PTHREAD_MUTEX_RECURSIVE_NP,
+  PTHREAD_MUTEX_ERRORCHECK_NP,
+  PTHREAD_MUTEX_ADAPTIVE_NP
+
+  ,
+  PTHREAD_MUTEX_NORMAL = PTHREAD_MUTEX_TIMED_NP,
+  PTHREAD_MUTEX_RECURSIVE = PTHREAD_MUTEX_RECURSIVE_NP,
+  PTHREAD_MUTEX_ERRORCHECK = PTHREAD_MUTEX_ERRORCHECK_NP,
+  PTHREAD_MUTEX_DEFAULT = PTHREAD_MUTEX_NORMAL
+
+
+
+  , PTHREAD_MUTEX_FAST_NP = PTHREAD_MUTEX_TIMED_NP
+
+};
+
+
+
+
+enum
+{
+  PTHREAD_MUTEX_STALLED,
+  PTHREAD_MUTEX_STALLED_NP = PTHREAD_MUTEX_STALLED,
+  PTHREAD_MUTEX_ROBUST,
+  PTHREAD_MUTEX_ROBUST_NP = PTHREAD_MUTEX_ROBUST
+};
+
+
+
+
+
+enum
+{
+  PTHREAD_PRIO_NONE,
+  PTHREAD_PRIO_INHERIT,
+  PTHREAD_PRIO_PROTECT
+};
+# 115 "/usr/include/pthread.h" 3 4
+enum
+{
+  PTHREAD_RWLOCK_PREFER_READER_NP,
+  PTHREAD_RWLOCK_PREFER_WRITER_NP,
+  PTHREAD_RWLOCK_PREFER_WRITER_NONRECURSIVE_NP,
+  PTHREAD_RWLOCK_DEFAULT_NP = PTHREAD_RWLOCK_PREFER_READER_NP
+};
+# 147 "/usr/include/pthread.h" 3 4
+enum
+{
+  PTHREAD_INHERIT_SCHED,
+
+  PTHREAD_EXPLICIT_SCHED
+
+};
+
+
+
+enum
+{
+  PTHREAD_SCOPE_SYSTEM,
+
+  PTHREAD_SCOPE_PROCESS
+
+};
+
+
+
+enum
+{
+  PTHREAD_PROCESS_PRIVATE,
+
+  PTHREAD_PROCESS_SHARED
+
+};
+# 182 "/usr/include/pthread.h" 3 4
+struct _pthread_cleanup_buffer
+{
+  void (*__routine) (void *);
+  void *__arg;
+  int __canceltype;
+  struct _pthread_cleanup_buffer *__prev;
+};
+
+
+enum
+{
+  PTHREAD_CANCEL_ENABLE,
+
+  PTHREAD_CANCEL_DISABLE
+
+};
+enum
+{
+  PTHREAD_CANCEL_DEFERRED,
+
+  PTHREAD_CANCEL_ASYNCHRONOUS
+
+};
+# 220 "/usr/include/pthread.h" 3 4
+extern "C" {
+
+
+
+
+extern int pthread_create (pthread_t *__restrict __newthread,
+      __const pthread_attr_t *__restrict __attr,
+      void *(*__start_routine) (void *),
+      void *__restrict __arg) throw () __attribute__ ((__nonnull__ (1, 3)));
+
+
+
+
+
+extern void pthread_exit (void *__retval) __attribute__ ((__noreturn__));
+
+
+
+
+
+
+
+extern int pthread_join (pthread_t __th, void **__thread_return);
+
+
+
+
+extern int pthread_tryjoin_np (pthread_t __th, void **__thread_return) throw ();
+
+
+
+
+
+
+
+extern int pthread_timedjoin_np (pthread_t __th, void **__thread_return,
+     __const struct timespec *__abstime);
+
+
+
+
+
+
+extern int pthread_detach (pthread_t __th) throw ();
+
+
+
+extern pthread_t pthread_self (void) throw () __attribute__ ((__const__));
+
+
+extern int pthread_equal (pthread_t __thread1, pthread_t __thread2) throw ();
+
+
+
+
+
+
+
+extern int pthread_attr_init (pthread_attr_t *__attr) throw () __attribute__ ((__nonnull__ (1)));
+
+
+extern int pthread_attr_destroy (pthread_attr_t *__attr)
+     throw () __attribute__ ((__nonnull__ (1)));
+
+
+extern int pthread_attr_getdetachstate (__const pthread_attr_t *__attr,
+     int *__detachstate)
+     throw () __attribute__ ((__nonnull__ (1, 2)));
+
+
+extern int pthread_attr_setdetachstate (pthread_attr_t *__attr,
+     int __detachstate)
+     throw () __attribute__ ((__nonnull__ (1)));
+
+
+
+extern int pthread_attr_getguardsize (__const pthread_attr_t *__attr,
+          size_t *__guardsize)
+     throw () __attribute__ ((__nonnull__ (1, 2)));
+
+
+extern int pthread_attr_setguardsize (pthread_attr_t *__attr,
+          size_t __guardsize)
+     throw () __attribute__ ((__nonnull__ (1)));
+
+
+
+extern int pthread_attr_getschedparam (__const pthread_attr_t *__restrict
+           __attr,
+           struct sched_param *__restrict __param)
+     throw () __attribute__ ((__nonnull__ (1, 2)));
+
+
+extern int pthread_attr_setschedparam (pthread_attr_t *__restrict __attr,
+           __const struct sched_param *__restrict
+           __param) throw () __attribute__ ((__nonnull__ (1, 2)));
+
+
+extern int pthread_attr_getschedpolicy (__const pthread_attr_t *__restrict
+     __attr, int *__restrict __policy)
+     throw () __attribute__ ((__nonnull__ (1, 2)));
+
+
+extern int pthread_attr_setschedpolicy (pthread_attr_t *__attr, int __policy)
+     throw () __attribute__ ((__nonnull__ (1)));
+
+
+extern int pthread_attr_getinheritsched (__const pthread_attr_t *__restrict
+      __attr, int *__restrict __inherit)
+     throw () __attribute__ ((__nonnull__ (1, 2)));
+
+
+extern int pthread_attr_setinheritsched (pthread_attr_t *__attr,
+      int __inherit)
+     throw () __attribute__ ((__nonnull__ (1)));
+
+
+
+extern int pthread_attr_getscope (__const pthread_attr_t *__restrict __attr,
+      int *__restrict __scope)
+     throw () __attribute__ ((__nonnull__ (1, 2)));
+
+
+extern int pthread_attr_setscope (pthread_attr_t *__attr, int __scope)
+     throw () __attribute__ ((__nonnull__ (1)));
+
+
+extern int pthread_attr_getstackaddr (__const pthread_attr_t *__restrict
+          __attr, void **__restrict __stackaddr)
+     throw () __attribute__ ((__nonnull__ (1, 2))) __attribute__ ((__deprecated__));
+
+
+
+
+
+extern int pthread_attr_setstackaddr (pthread_attr_t *__attr,
+          void *__stackaddr)
+     throw () __attribute__ ((__nonnull__ (1))) __attribute__ ((__deprecated__));
+
+
+extern int pthread_attr_getstacksize (__const pthread_attr_t *__restrict
+          __attr, size_t *__restrict __stacksize)
+     throw () __attribute__ ((__nonnull__ (1, 2)));
+
+
+
+
+extern int pthread_attr_setstacksize (pthread_attr_t *__attr,
+          size_t __stacksize)
+     throw () __attribute__ ((__nonnull__ (1)));
+
+
+
+extern int pthread_attr_getstack (__const pthread_attr_t *__restrict __attr,
+      void **__restrict __stackaddr,
+      size_t *__restrict __stacksize)
+     throw () __attribute__ ((__nonnull__ (1, 2, 3)));
+
+
+
+
+extern int pthread_attr_setstack (pthread_attr_t *__attr, void *__stackaddr,
+      size_t __stacksize) throw () __attribute__ ((__nonnull__ (1)));
+
+
+
+
+
+extern int pthread_attr_setaffinity_np (pthread_attr_t *__attr,
+     size_t __cpusetsize,
+     __const cpu_set_t *__cpuset)
+     throw () __attribute__ ((__nonnull__ (1, 3)));
+
+
+
+extern int pthread_attr_getaffinity_np (__const pthread_attr_t *__attr,
+     size_t __cpusetsize,
+     cpu_set_t *__cpuset)
+     throw () __attribute__ ((__nonnull__ (1, 3)));
+
+
+
+
+
+extern int pthread_getattr_np (pthread_t __th, pthread_attr_t *__attr)
+     throw () __attribute__ ((__nonnull__ (2)));
+
+
+
+
+
+
+
+extern int pthread_setschedparam (pthread_t __target_thread, int __policy,
+      __const struct sched_param *__param)
+     throw () __attribute__ ((__nonnull__ (3)));
+
+
+extern int pthread_getschedparam (pthread_t __target_thread,
+      int *__restrict __policy,
+      struct sched_param *__restrict __param)
+     throw () __attribute__ ((__nonnull__ (2, 3)));
+
+
+extern int pthread_setschedprio (pthread_t __target_thread, int __prio)
+     throw ();
+
+
+
+
+extern int pthread_getname_np (pthread_t __target_thread, char *__buf,
+          size_t __buflen)
+     throw () __attribute__ ((__nonnull__ (2)));
+
+
+extern int pthread_setname_np (pthread_t __target_thread, __const char *__name)
+     throw () __attribute__ ((__nonnull__ (2)));
+
+
+
+
+
+extern int pthread_getconcurrency (void) throw ();
+
+
+extern int pthread_setconcurrency (int __level) throw ();
+
+
+
+
+
+
+
+extern int pthread_yield (void) throw ();
+
+
+
+
+extern int pthread_setaffinity_np (pthread_t __th, size_t __cpusetsize,
+       __const cpu_set_t *__cpuset)
+     throw () __attribute__ ((__nonnull__ (3)));
+
+
+extern int pthread_getaffinity_np (pthread_t __th, size_t __cpusetsize,
+       cpu_set_t *__cpuset)
+     throw () __attribute__ ((__nonnull__ (3)));
+# 478 "/usr/include/pthread.h" 3 4
+extern int pthread_once (pthread_once_t *__once_control,
+    void (*__init_routine) (void)) __attribute__ ((__nonnull__ (1, 2)));
+# 490 "/usr/include/pthread.h" 3 4
+extern int pthread_setcancelstate (int __state, int *__oldstate);
+
+
+
+extern int pthread_setcanceltype (int __type, int *__oldtype);
+
+
+extern int pthread_cancel (pthread_t __th);
+
+
+
+
+extern void pthread_testcancel (void);
+
+
+
+
+typedef struct
+{
+  struct
+  {
+    __jmp_buf __cancel_jmp_buf;
+    int __mask_was_saved;
+  } __cancel_jmp_buf[1];
+  void *__pad[4];
+} __pthread_unwind_buf_t __attribute__ ((__aligned__));
+# 524 "/usr/include/pthread.h" 3 4
+struct __pthread_cleanup_frame
+{
+  void (*__cancel_routine) (void *);
+  void *__cancel_arg;
+  int __do_it;
+  int __cancel_type;
+};
+
+
+
+
+class __pthread_cleanup_class
+{
+  void (*__cancel_routine) (void *);
+  void *__cancel_arg;
+  int __do_it;
+  int __cancel_type;
+
+ public:
+  __pthread_cleanup_class (void (*__fct) (void *), void *__arg)
+    : __cancel_routine (__fct), __cancel_arg (__arg), __do_it (1) { }
+  ~__pthread_cleanup_class () { if (__do_it) __cancel_routine (__cancel_arg); }
+  void __setdoit (int __newval) { __do_it = __newval; }
+  void __defer () { pthread_setcanceltype (PTHREAD_CANCEL_DEFERRED,
+        &__cancel_type); }
+  void __restore () const { pthread_setcanceltype (__cancel_type, 0); }
+};
+# 726 "/usr/include/pthread.h" 3 4
+struct __jmp_buf_tag;
+extern int __sigsetjmp (struct __jmp_buf_tag *__env, int __savemask) throw ();
+
+
+
+
+
+extern int pthread_mutex_init (pthread_mutex_t *__mutex,
+          __const pthread_mutexattr_t *__mutexattr)
+     throw () __attribute__ ((__nonnull__ (1)));
+
+
+extern int pthread_mutex_destroy (pthread_mutex_t *__mutex)
+     throw () __attribute__ ((__nonnull__ (1)));
+
+
+extern int pthread_mutex_trylock (pthread_mutex_t *__mutex)
+     throw () __attribute__ ((__nonnull__ (1)));
+
+
+extern int pthread_mutex_lock (pthread_mutex_t *__mutex)
+     throw () __attribute__ ((__nonnull__ (1)));
+
+
+
+extern int pthread_mutex_timedlock (pthread_mutex_t *__restrict __mutex,
+        __const struct timespec *__restrict
+        __abstime) throw () __attribute__ ((__nonnull__ (1, 2)));
+
+
+
+extern int pthread_mutex_unlock (pthread_mutex_t *__mutex)
+     throw () __attribute__ ((__nonnull__ (1)));
+
+
+
+extern int pthread_mutex_getprioceiling (__const pthread_mutex_t *
+      __restrict __mutex,
+      int *__restrict __prioceiling)
+     throw () __attribute__ ((__nonnull__ (1, 2)));
+
+
+
+extern int pthread_mutex_setprioceiling (pthread_mutex_t *__restrict __mutex,
+      int __prioceiling,
+      int *__restrict __old_ceiling)
+     throw () __attribute__ ((__nonnull__ (1, 3)));
+
+
+
+
+extern int pthread_mutex_consistent (pthread_mutex_t *__mutex)
+     throw () __attribute__ ((__nonnull__ (1)));
+
+extern int pthread_mutex_consistent_np (pthread_mutex_t *__mutex)
+     throw () __attribute__ ((__nonnull__ (1)));
+# 790 "/usr/include/pthread.h" 3 4
+extern int pthread_mutexattr_init (pthread_mutexattr_t *__attr)
+     throw () __attribute__ ((__nonnull__ (1)));
+
+
+extern int pthread_mutexattr_destroy (pthread_mutexattr_t *__attr)
+     throw () __attribute__ ((__nonnull__ (1)));
+
+
+extern int pthread_mutexattr_getpshared (__const pthread_mutexattr_t *
+      __restrict __attr,
+      int *__restrict __pshared)
+     throw () __attribute__ ((__nonnull__ (1, 2)));
+
+
+extern int pthread_mutexattr_setpshared (pthread_mutexattr_t *__attr,
+      int __pshared)
+     throw () __attribute__ ((__nonnull__ (1)));
+
+
+
+extern int pthread_mutexattr_gettype (__const pthread_mutexattr_t *__restrict
+          __attr, int *__restrict __kind)
+     throw () __attribute__ ((__nonnull__ (1, 2)));
+
+
+
+
+extern int pthread_mutexattr_settype (pthread_mutexattr_t *__attr, int __kind)
+     throw () __attribute__ ((__nonnull__ (1)));
+
+
+
+extern int pthread_mutexattr_getprotocol (__const pthread_mutexattr_t *
+       __restrict __attr,
+       int *__restrict __protocol)
+     throw () __attribute__ ((__nonnull__ (1, 2)));
+
+
+
+extern int pthread_mutexattr_setprotocol (pthread_mutexattr_t *__attr,
+       int __protocol)
+     throw () __attribute__ ((__nonnull__ (1)));
+
+
+extern int pthread_mutexattr_getprioceiling (__const pthread_mutexattr_t *
+          __restrict __attr,
+          int *__restrict __prioceiling)
+     throw () __attribute__ ((__nonnull__ (1, 2)));
+
+
+extern int pthread_mutexattr_setprioceiling (pthread_mutexattr_t *__attr,
+          int __prioceiling)
+     throw () __attribute__ ((__nonnull__ (1)));
+
+
+
+extern int pthread_mutexattr_getrobust (__const pthread_mutexattr_t *__attr,
+     int *__robustness)
+     throw () __attribute__ ((__nonnull__ (1, 2)));
+
+extern int pthread_mutexattr_getrobust_np (__const pthread_mutexattr_t *__attr,
+        int *__robustness)
+     throw () __attribute__ ((__nonnull__ (1, 2)));
+
+
+
+extern int pthread_mutexattr_setrobust (pthread_mutexattr_t *__attr,
+     int __robustness)
+     throw () __attribute__ ((__nonnull__ (1)));
+
+extern int pthread_mutexattr_setrobust_np (pthread_mutexattr_t *__attr,
+        int __robustness)
+     throw () __attribute__ ((__nonnull__ (1)));
+# 872 "/usr/include/pthread.h" 3 4
+extern int pthread_rwlock_init (pthread_rwlock_t *__restrict __rwlock,
+    __const pthread_rwlockattr_t *__restrict
+    __attr) throw () __attribute__ ((__nonnull__ (1)));
+
+
+extern int pthread_rwlock_destroy (pthread_rwlock_t *__rwlock)
+     throw () __attribute__ ((__nonnull__ (1)));
+
+
+extern int pthread_rwlock_rdlock (pthread_rwlock_t *__rwlock)
+     throw () __attribute__ ((__nonnull__ (1)));
+
+
+extern int pthread_rwlock_tryrdlock (pthread_rwlock_t *__rwlock)
+  throw () __attribute__ ((__nonnull__ (1)));
+
+
+
+extern int pthread_rwlock_timedrdlock (pthread_rwlock_t *__restrict __rwlock,
+           __const struct timespec *__restrict
+           __abstime) throw () __attribute__ ((__nonnull__ (1, 2)));
+
+
+
+extern int pthread_rwlock_wrlock (pthread_rwlock_t *__rwlock)
+     throw () __attribute__ ((__nonnull__ (1)));
+
+
+extern int pthread_rwlock_trywrlock (pthread_rwlock_t *__rwlock)
+     throw () __attribute__ ((__nonnull__ (1)));
+
+
+
+extern int pthread_rwlock_timedwrlock (pthread_rwlock_t *__restrict __rwlock,
+           __const struct timespec *__restrict
+           __abstime) throw () __attribute__ ((__nonnull__ (1, 2)));
+
+
+
+extern int pthread_rwlock_unlock (pthread_rwlock_t *__rwlock)
+     throw () __attribute__ ((__nonnull__ (1)));
+
+
+
+
+
+extern int pthread_rwlockattr_init (pthread_rwlockattr_t *__attr)
+     throw () __attribute__ ((__nonnull__ (1)));
+
+
+extern int pthread_rwlockattr_destroy (pthread_rwlockattr_t *__attr)
+     throw () __attribute__ ((__nonnull__ (1)));
+
+
+extern int pthread_rwlockattr_getpshared (__const pthread_rwlockattr_t *
+       __restrict __attr,
+       int *__restrict __pshared)
+     throw () __attribute__ ((__nonnull__ (1, 2)));
+
+
+extern int pthread_rwlockattr_setpshared (pthread_rwlockattr_t *__attr,
+       int __pshared)
+     throw () __attribute__ ((__nonnull__ (1)));
+
+
+extern int pthread_rwlockattr_getkind_np (__const pthread_rwlockattr_t *
+       __restrict __attr,
+       int *__restrict __pref)
+     throw () __attribute__ ((__nonnull__ (1, 2)));
+
+
+extern int pthread_rwlockattr_setkind_np (pthread_rwlockattr_t *__attr,
+       int __pref) throw () __attribute__ ((__nonnull__ (1)));
+
+
+
+
+
+
+
+extern int pthread_cond_init (pthread_cond_t *__restrict __cond,
+         __const pthread_condattr_t *__restrict
+         __cond_attr) throw () __attribute__ ((__nonnull__ (1)));
+
+
+extern int pthread_cond_destroy (pthread_cond_t *__cond)
+     throw () __attribute__ ((__nonnull__ (1)));
+
+
+extern int pthread_cond_signal (pthread_cond_t *__cond)
+     throw () __attribute__ ((__nonnull__ (1)));
+
+
+extern int pthread_cond_broadcast (pthread_cond_t *__cond)
+     throw () __attribute__ ((__nonnull__ (1)));
+
+
+
+
+
+
+extern int pthread_cond_wait (pthread_cond_t *__restrict __cond,
+         pthread_mutex_t *__restrict __mutex)
+     __attribute__ ((__nonnull__ (1, 2)));
+# 984 "/usr/include/pthread.h" 3 4
+extern int pthread_cond_timedwait (pthread_cond_t *__restrict __cond,
+       pthread_mutex_t *__restrict __mutex,
+       __const struct timespec *__restrict
+       __abstime) __attribute__ ((__nonnull__ (1, 2, 3)));
+
+
+
+
+extern int pthread_condattr_init (pthread_condattr_t *__attr)
+     throw () __attribute__ ((__nonnull__ (1)));
+
+
+extern int pthread_condattr_destroy (pthread_condattr_t *__attr)
+     throw () __attribute__ ((__nonnull__ (1)));
+
+
+extern int pthread_condattr_getpshared (__const pthread_condattr_t *
+     __restrict __attr,
+     int *__restrict __pshared)
+     throw () __attribute__ ((__nonnull__ (1, 2)));
+
+
+extern int pthread_condattr_setpshared (pthread_condattr_t *__attr,
+     int __pshared) throw () __attribute__ ((__nonnull__ (1)));
+
+
+
+extern int pthread_condattr_getclock (__const pthread_condattr_t *
+          __restrict __attr,
+          __clockid_t *__restrict __clock_id)
+     throw () __attribute__ ((__nonnull__ (1, 2)));
+
+
+extern int pthread_condattr_setclock (pthread_condattr_t *__attr,
+          __clockid_t __clock_id)
+     throw () __attribute__ ((__nonnull__ (1)));
+# 1028 "/usr/include/pthread.h" 3 4
+extern int pthread_spin_init (pthread_spinlock_t *__lock, int __pshared)
+     throw () __attribute__ ((__nonnull__ (1)));
+
+
+extern int pthread_spin_destroy (pthread_spinlock_t *__lock)
+     throw () __attribute__ ((__nonnull__ (1)));
+
+
+extern int pthread_spin_lock (pthread_spinlock_t *__lock)
+     throw () __attribute__ ((__nonnull__ (1)));
+
+
+extern int pthread_spin_trylock (pthread_spinlock_t *__lock)
+     throw () __attribute__ ((__nonnull__ (1)));
+
+
+extern int pthread_spin_unlock (pthread_spinlock_t *__lock)
+     throw () __attribute__ ((__nonnull__ (1)));
+
+
+
+
+
+
+extern int pthread_barrier_init (pthread_barrier_t *__restrict __barrier,
+     __const pthread_barrierattr_t *__restrict
+     __attr, unsigned int __count)
+     throw () __attribute__ ((__nonnull__ (1)));
+
+
+extern int pthread_barrier_destroy (pthread_barrier_t *__barrier)
+     throw () __attribute__ ((__nonnull__ (1)));
+
+
+extern int pthread_barrier_wait (pthread_barrier_t *__barrier)
+     throw () __attribute__ ((__nonnull__ (1)));
+
+
+
+extern int pthread_barrierattr_init (pthread_barrierattr_t *__attr)
+     throw () __attribute__ ((__nonnull__ (1)));
+
+
+extern int pthread_barrierattr_destroy (pthread_barrierattr_t *__attr)
+     throw () __attribute__ ((__nonnull__ (1)));
+
+
+extern int pthread_barrierattr_getpshared (__const pthread_barrierattr_t *
+        __restrict __attr,
+        int *__restrict __pshared)
+     throw () __attribute__ ((__nonnull__ (1, 2)));
+
+
+extern int pthread_barrierattr_setpshared (pthread_barrierattr_t *__attr,
+        int __pshared)
+     throw () __attribute__ ((__nonnull__ (1)));
+# 1095 "/usr/include/pthread.h" 3 4
+extern int pthread_key_create (pthread_key_t *__key,
+          void (*__destr_function) (void *))
+     throw () __attribute__ ((__nonnull__ (1)));
+
+
+extern int pthread_key_delete (pthread_key_t __key) throw ();
+
+
+extern void *pthread_getspecific (pthread_key_t __key) throw ();
+
+
+extern int pthread_setspecific (pthread_key_t __key,
+    __const void *__pointer) throw () ;
+
+
+
+
+extern int pthread_getcpuclockid (pthread_t __thread_id,
+      __clockid_t *__clock_id)
+     throw () __attribute__ ((__nonnull__ (2)));
+# 1129 "/usr/include/pthread.h" 3 4
+extern int pthread_atfork (void (*__prepare) (void),
+      void (*__parent) (void),
+      void (*__child) (void)) throw ();
+
+
+
+
+extern __inline __attribute__ ((__gnu_inline__)) int
+pthread_equal (pthread_t __thread1, pthread_t __thread2) throw ()
+{
+  return __thread1 == __thread2;
+}
+
+
+}
+# 36 "/aux/hubicka/trunk-install/include/c++/6.0.0/x86_64-pc-linux-gnu/bits/gthr-default.h" 2 3
+# 47 "/aux/hubicka/trunk-install/include/c++/6.0.0/x86_64-pc-linux-gnu/bits/gthr-default.h" 3
+typedef pthread_t __gthread_t;
+typedef pthread_key_t __gthread_key_t;
+typedef pthread_once_t __gthread_once_t;
+typedef pthread_mutex_t __gthread_mutex_t;
+typedef pthread_mutex_t __gthread_recursive_mutex_t;
+typedef pthread_cond_t __gthread_cond_t;
+typedef struct timespec __gthread_time_t;
+# 101 "/aux/hubicka/trunk-install/include/c++/6.0.0/x86_64-pc-linux-gnu/bits/gthr-default.h" 3
+static __typeof(pthread_once) __gthrw_pthread_once __attribute__ ((__weakref__("pthread_once")));
+static __typeof(pthread_getspecific) __gthrw_pthread_getspecific __attribute__ ((__weakref__("pthread_getspecific")));
+static __typeof(pthread_setspecific) __gthrw_pthread_setspecific __attribute__ ((__weakref__("pthread_setspecific")));
+
+static __typeof(pthread_create) __gthrw_pthread_create __attribute__ ((__weakref__("pthread_create")));
+static __typeof(pthread_join) __gthrw_pthread_join __attribute__ ((__weakref__("pthread_join")));
+static __typeof(pthread_equal) __gthrw_pthread_equal __attribute__ ((__weakref__("pthread_equal")));
+static __typeof(pthread_self) __gthrw_pthread_self __attribute__ ((__weakref__("pthread_self")));
+static __typeof(pthread_detach) __gthrw_pthread_detach __attribute__ ((__weakref__("pthread_detach")));
+
+static __typeof(pthread_cancel) __gthrw_pthread_cancel __attribute__ ((__weakref__("pthread_cancel")));
+
+static __typeof(sched_yield) __gthrw_sched_yield __attribute__ ((__weakref__("sched_yield")));
+
+static __typeof(pthread_mutex_lock) __gthrw_pthread_mutex_lock __attribute__ ((__weakref__("pthread_mutex_lock")));
+static __typeof(pthread_mutex_trylock) __gthrw_pthread_mutex_trylock __attribute__ ((__weakref__("pthread_mutex_trylock")));
+
+static __typeof(pthread_mutex_timedlock) __gthrw_pthread_mutex_timedlock __attribute__ ((__weakref__("pthread_mutex_timedlock")));
+
+static __typeof(pthread_mutex_unlock) __gthrw_pthread_mutex_unlock __attribute__ ((__weakref__("pthread_mutex_unlock")));
+static __typeof(pthread_mutex_init) __gthrw_pthread_mutex_init __attribute__ ((__weakref__("pthread_mutex_init")));
+static __typeof(pthread_mutex_destroy) __gthrw_pthread_mutex_destroy __attribute__ ((__weakref__("pthread_mutex_destroy")));
+
+static __typeof(pthread_cond_init) __gthrw_pthread_cond_init __attribute__ ((__weakref__("pthread_cond_init")));
+static __typeof(pthread_cond_broadcast) __gthrw_pthread_cond_broadcast __attribute__ ((__weakref__("pthread_cond_broadcast")));
+static __typeof(pthread_cond_signal) __gthrw_pthread_cond_signal __attribute__ ((__weakref__("pthread_cond_signal")));
+static __typeof(pthread_cond_wait) __gthrw_pthread_cond_wait __attribute__ ((__weakref__("pthread_cond_wait")));
+static __typeof(pthread_cond_timedwait) __gthrw_pthread_cond_timedwait __attribute__ ((__weakref__("pthread_cond_timedwait")));
+static __typeof(pthread_cond_destroy) __gthrw_pthread_cond_destroy __attribute__ ((__weakref__("pthread_cond_destroy")));
+
+static __typeof(pthread_key_create) __gthrw_pthread_key_create __attribute__ ((__weakref__("pthread_key_create")));
+static __typeof(pthread_key_delete) __gthrw_pthread_key_delete __attribute__ ((__weakref__("pthread_key_delete")));
+static __typeof(pthread_mutexattr_init) __gthrw_pthread_mutexattr_init __attribute__ ((__weakref__("pthread_mutexattr_init")));
+static __typeof(pthread_mutexattr_settype) __gthrw_pthread_mutexattr_settype __attribute__ ((__weakref__("pthread_mutexattr_settype")));
+static __typeof(pthread_mutexattr_destroy) __gthrw_pthread_mutexattr_destroy __attribute__ ((__weakref__("pthread_mutexattr_destroy")));
+# 236 "/aux/hubicka/trunk-install/include/c++/6.0.0/x86_64-pc-linux-gnu/bits/gthr-default.h" 3
+static __typeof(pthread_key_create) __gthrw___pthread_key_create __attribute__ ((__weakref__("__pthread_key_create")));
+# 246 "/aux/hubicka/trunk-install/include/c++/6.0.0/x86_64-pc-linux-gnu/bits/gthr-default.h" 3
+static inline int
+__gthread_active_p (void)
+{
+  static void *const __gthread_active_ptr
+    = __extension__ (void *) &__gthrw___pthread_key_create;
+  return __gthread_active_ptr != 0;
+}
+# 658 "/aux/hubicka/trunk-install/include/c++/6.0.0/x86_64-pc-linux-gnu/bits/gthr-default.h" 3
+static inline int
+__gthread_create (__gthread_t *__threadid, void *(*__func) (void*),
+    void *__args)
+{
+  return __gthrw_pthread_create (__threadid, __null, __func, __args);
+}
+
+static inline int
+__gthread_join (__gthread_t __threadid, void **__value_ptr)
+{
+  return __gthrw_pthread_join (__threadid, __value_ptr);
+}
+
+static inline int
+__gthread_detach (__gthread_t __threadid)
+{
+  return __gthrw_pthread_detach (__threadid);
+}
+
+static inline int
+__gthread_equal (__gthread_t __t1, __gthread_t __t2)
+{
+  return __gthrw_pthread_equal (__t1, __t2);
+}
+
+static inline __gthread_t
+__gthread_self (void)
+{
+  return __gthrw_pthread_self ();
+}
+
+static inline int
+__gthread_yield (void)
+{
+  return __gthrw_sched_yield ();
+}
+
+static inline int
+__gthread_once (__gthread_once_t *__once, void (*__func) (void))
+{
+  if (__gthread_active_p ())
+    return __gthrw_pthread_once (__once, __func);
+  else
+    return -1;
+}
+
+static inline int
+__gthread_key_create (__gthread_key_t *__key, void (*__dtor) (void *))
+{
+  return __gthrw_pthread_key_create (__key, __dtor);
+}
+
+static inline int
+__gthread_key_delete (__gthread_key_t __key)
+{
+  return __gthrw_pthread_key_delete (__key);
+}
+
+static inline void *
+__gthread_getspecific (__gthread_key_t __key)
+{
+  return __gthrw_pthread_getspecific (__key);
+}
+
+static inline int
+__gthread_setspecific (__gthread_key_t __key, const void *__ptr)
+{
+  return __gthrw_pthread_setspecific (__key, __ptr);
+}
+
+static inline void
+__gthread_mutex_init_function (__gthread_mutex_t *__mutex)
+{
+  if (__gthread_active_p ())
+    __gthrw_pthread_mutex_init (__mutex, __null);
+}
+
+static inline int
+__gthread_mutex_destroy (__gthread_mutex_t *__mutex)
+{
+  if (__gthread_active_p ())
+    return __gthrw_pthread_mutex_destroy (__mutex);
+  else
+    return 0;
+}
+
+static inline int
+__gthread_mutex_lock (__gthread_mutex_t *__mutex)
+{
+  if (__gthread_active_p ())
+    return __gthrw_pthread_mutex_lock (__mutex);
+  else
+    return 0;
+}
+
+static inline int
+__gthread_mutex_trylock (__gthread_mutex_t *__mutex)
+{
+  if (__gthread_active_p ())
+    return __gthrw_pthread_mutex_trylock (__mutex);
+  else
+    return 0;
+}
+
+
+static inline int
+__gthread_mutex_timedlock (__gthread_mutex_t *__mutex,
+      const __gthread_time_t *__abs_timeout)
+{
+  if (__gthread_active_p ())
+    return __gthrw_pthread_mutex_timedlock (__mutex, __abs_timeout);
+  else
+    return 0;
+}
+
+
+static inline int
+__gthread_mutex_unlock (__gthread_mutex_t *__mutex)
+{
+  if (__gthread_active_p ())
+    return __gthrw_pthread_mutex_unlock (__mutex);
+  else
+    return 0;
+}
+# 807 "/aux/hubicka/trunk-install/include/c++/6.0.0/x86_64-pc-linux-gnu/bits/gthr-default.h" 3
+static inline int
+__gthread_recursive_mutex_lock (__gthread_recursive_mutex_t *__mutex)
+{
+  return __gthread_mutex_lock (__mutex);
+}
+
+static inline int
+__gthread_recursive_mutex_trylock (__gthread_recursive_mutex_t *__mutex)
+{
+  return __gthread_mutex_trylock (__mutex);
+}
+
+
+static inline int
+__gthread_recursive_mutex_timedlock (__gthread_recursive_mutex_t *__mutex,
+         const __gthread_time_t *__abs_timeout)
+{
+  return __gthread_mutex_timedlock (__mutex, __abs_timeout);
+}
+
+
+static inline int
+__gthread_recursive_mutex_unlock (__gthread_recursive_mutex_t *__mutex)
+{
+  return __gthread_mutex_unlock (__mutex);
+}
+
+static inline int
+__gthread_recursive_mutex_destroy (__gthread_recursive_mutex_t *__mutex)
+{
+  return __gthread_mutex_destroy (__mutex);
+}
+# 849 "/aux/hubicka/trunk-install/include/c++/6.0.0/x86_64-pc-linux-gnu/bits/gthr-default.h" 3
+static inline int
+__gthread_cond_broadcast (__gthread_cond_t *__cond)
+{
+  return __gthrw_pthread_cond_broadcast (__cond);
+}
+
+static inline int
+__gthread_cond_signal (__gthread_cond_t *__cond)
+{
+  return __gthrw_pthread_cond_signal (__cond);
+}
+
+static inline int
+__gthread_cond_wait (__gthread_cond_t *__cond, __gthread_mutex_t *__mutex)
+{
+  return __gthrw_pthread_cond_wait (__cond, __mutex);
+}
+
+static inline int
+__gthread_cond_timedwait (__gthread_cond_t *__cond, __gthread_mutex_t *__mutex,
+     const __gthread_time_t *__abs_timeout)
+{
+  return __gthrw_pthread_cond_timedwait (__cond, __mutex, __abs_timeout);
+}
+
+static inline int
+__gthread_cond_wait_recursive (__gthread_cond_t *__cond,
+          __gthread_recursive_mutex_t *__mutex)
+{
+  return __gthread_cond_wait (__cond, __mutex);
+}
+
+static inline int
+__gthread_cond_destroy (__gthread_cond_t* __cond)
+{
+  return __gthrw_pthread_cond_destroy (__cond);
+}
+# 149 "/aux/hubicka/trunk-install/include/c++/6.0.0/x86_64-pc-linux-gnu/bits/gthr.h" 2 3
+
+
+#pragma GCC visibility pop
+# 36 "/aux/hubicka/trunk-install/include/c++/6.0.0/ext/atomicity.h" 2 3
+# 1 "/aux/hubicka/trunk-install/include/c++/6.0.0/x86_64-pc-linux-gnu/bits/atomic_word.h" 1 3
+# 32 "/aux/hubicka/trunk-install/include/c++/6.0.0/x86_64-pc-linux-gnu/bits/atomic_word.h" 3
+typedef int _Atomic_word;
+# 37 "/aux/hubicka/trunk-install/include/c++/6.0.0/ext/atomicity.h" 2 3
+
+namespace __gnu_cxx __attribute__ ((__visibility__ ("default")))
+{
+
+
+
+
+
+
+
+  static inline _Atomic_word
+  __exchange_and_add(volatile _Atomic_word* __mem, int __val)
+  { return __atomic_fetch_add(__mem, __val, 4); }
+
+  static inline void
+  __atomic_add(volatile _Atomic_word* __mem, int __val)
+  { __atomic_fetch_add(__mem, __val, 4); }
+# 64 "/aux/hubicka/trunk-install/include/c++/6.0.0/ext/atomicity.h" 3
+  static inline _Atomic_word
+  __exchange_and_add_single(_Atomic_word* __mem, int __val)
+  {
+    _Atomic_word __result = *__mem;
+    *__mem += __val;
+    return __result;
+  }
+
+  static inline void
+  __atomic_add_single(_Atomic_word* __mem, int __val)
+  { *__mem += __val; }
+
+  static inline _Atomic_word
+  __attribute__ ((__unused__))
+  __exchange_and_add_dispatch(_Atomic_word* __mem, int __val)
+  {
+
+    if (__gthread_active_p())
+      return __exchange_and_add(__mem, __val);
+    else
+      return __exchange_and_add_single(__mem, __val);
+
+
+
+  }
+
+  static inline void
+  __attribute__ ((__unused__))
+  __atomic_add_dispatch(_Atomic_word* __mem, int __val)
+  {
+
+    if (__gthread_active_p())
+      __atomic_add(__mem, __val);
+    else
+      __atomic_add_single(__mem, __val);
+
+
+
+  }
+
+
+}
+# 40 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/ios_base.h" 2 3
+
+# 1 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_classes.h" 1 3
+# 37 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_classes.h" 3
+       
+# 38 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_classes.h" 3
+
+
+# 1 "/aux/hubicka/trunk-install/include/c++/6.0.0/string" 1 3
+# 36 "/aux/hubicka/trunk-install/include/c++/6.0.0/string" 3
+       
+# 37 "/aux/hubicka/trunk-install/include/c++/6.0.0/string" 3
+
+
+
+
+# 1 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/allocator.h" 1 3
+# 46 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/allocator.h" 3
+# 1 "/aux/hubicka/trunk-install/include/c++/6.0.0/x86_64-pc-linux-gnu/bits/c++allocator.h" 1 3
+# 33 "/aux/hubicka/trunk-install/include/c++/6.0.0/x86_64-pc-linux-gnu/bits/c++allocator.h" 3
+# 1 "/aux/hubicka/trunk-install/include/c++/6.0.0/ext/new_allocator.h" 1 3
+# 33 "/aux/hubicka/trunk-install/include/c++/6.0.0/ext/new_allocator.h" 3
+# 1 "/aux/hubicka/trunk-install/include/c++/6.0.0/new" 1 3
+# 37 "/aux/hubicka/trunk-install/include/c++/6.0.0/new" 3
+       
+# 38 "/aux/hubicka/trunk-install/include/c++/6.0.0/new" 3
+
+
+
+
+#pragma GCC visibility push(default)
+
+extern "C++" {
+
+namespace std
+{
+
+
+
+
+
+
+  class bad_alloc : public exception
+  {
+  public:
+    bad_alloc() throw() { }
+
+
+
+    virtual ~bad_alloc() throw();
+
+
+    virtual const char* what() const throw();
+  };
+
+
+  class bad_array_new_length : public bad_alloc
+  {
+  public:
+    bad_array_new_length() throw() { };
+
+
+
+    virtual ~bad_array_new_length() throw();
+
+
+    virtual const char* what() const throw();
+  };
+
+
+  struct nothrow_t { };
+
+  extern const nothrow_t nothrow;
+
+
+
+  typedef void (*new_handler)();
+
+
+
+  new_handler set_new_handler(new_handler) throw();
+
+
+
+  new_handler get_new_handler() noexcept;
+
+}
+# 111 "/aux/hubicka/trunk-install/include/c++/6.0.0/new" 3
+void* operator new(std::size_t)
+  __attribute__((__externally_visible__));
+void* operator new[](std::size_t)
+  __attribute__((__externally_visible__));
+void operator delete(void*) noexcept
+  __attribute__((__externally_visible__));
+void operator delete[](void*) noexcept
+  __attribute__((__externally_visible__));
+void* operator new(std::size_t, const std::nothrow_t&) noexcept
+  __attribute__((__externally_visible__));
+void* operator new[](std::size_t, const std::nothrow_t&) noexcept
+  __attribute__((__externally_visible__));
+void operator delete(void*, const std::nothrow_t&) noexcept
+  __attribute__((__externally_visible__));
+void operator delete[](void*, const std::nothrow_t&) noexcept
+  __attribute__((__externally_visible__));
+
+
+inline void* operator new(std::size_t, void* __p) noexcept
+{ return __p; }
+inline void* operator new[](std::size_t, void* __p) noexcept
+{ return __p; }
+
+
+inline void operator delete (void*, void*) noexcept { }
+inline void operator delete[](void*, void*) noexcept { }
+
+}
+
+#pragma GCC visibility pop
+# 34 "/aux/hubicka/trunk-install/include/c++/6.0.0/ext/new_allocator.h" 2 3
+
+
+
+
+
+
+namespace __gnu_cxx __attribute__ ((__visibility__ ("default")))
+{
+
+
+  using std::size_t;
+  using std::ptrdiff_t;
+# 57 "/aux/hubicka/trunk-install/include/c++/6.0.0/ext/new_allocator.h" 3
+  template<typename _Tp>
+    class new_allocator
+    {
+    public:
+      typedef size_t size_type;
+      typedef ptrdiff_t difference_type;
+      typedef _Tp* pointer;
+      typedef const _Tp* const_pointer;
+      typedef _Tp& reference;
+      typedef const _Tp& const_reference;
+      typedef _Tp value_type;
+
+      template<typename _Tp1>
+        struct rebind
+        { typedef new_allocator<_Tp1> other; };
+
+
+
+
+      typedef std::true_type propagate_on_container_move_assignment;
+
+
+      new_allocator() noexcept { }
+
+      new_allocator(const new_allocator&) noexcept { }
+
+      template<typename _Tp1>
+        new_allocator(const new_allocator<_Tp1>&) noexcept { }
+
+      ~new_allocator() noexcept { }
+
+      pointer
+      address(reference __x) const noexcept
+      { return std::__addressof(__x); }
+
+      const_pointer
+      address(const_reference __x) const noexcept
+      { return std::__addressof(__x); }
+
+
+
+      pointer
+      allocate(size_type __n, const void* = 0)
+      {
+ if (__n > this->max_size())
+   std::__throw_bad_alloc();
+
+ return static_cast<_Tp*>(::operator new(__n * sizeof(_Tp)));
+      }
+
+
+      void
+      deallocate(pointer __p, size_type)
+      { ::operator delete(__p); }
+
+      size_type
+      max_size() const noexcept
+      { return size_t(-1) / sizeof(_Tp); }
+
+
+      template<typename _Up, typename... _Args>
+        void
+        construct(_Up* __p, _Args&&... __args)
+ { ::new((void *)__p) _Up(std::forward<_Args>(__args)...); }
+
+      template<typename _Up>
+        void
+        destroy(_Up* __p) { __p->~_Up(); }
+# 135 "/aux/hubicka/trunk-install/include/c++/6.0.0/ext/new_allocator.h" 3
+    };
+
+  template<typename _Tp>
+    inline bool
+    operator==(const new_allocator<_Tp>&, const new_allocator<_Tp>&)
+    { return true; }
+
+  template<typename _Tp>
+    inline bool
+    operator!=(const new_allocator<_Tp>&, const new_allocator<_Tp>&)
+    { return false; }
+
+
+}
+# 34 "/aux/hubicka/trunk-install/include/c++/6.0.0/x86_64-pc-linux-gnu/bits/c++allocator.h" 2 3
+
+
+namespace std
+{
+# 47 "/aux/hubicka/trunk-install/include/c++/6.0.0/x86_64-pc-linux-gnu/bits/c++allocator.h" 3
+  template<typename _Tp>
+    using __allocator_base = __gnu_cxx::new_allocator<_Tp>;
+}
+# 47 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/allocator.h" 2 3
+
+
+
+
+
+namespace std __attribute__ ((__visibility__ ("default")))
+{
+
+
+
+
+
+
+
+
+  template<>
+    class allocator<void>
+    {
+    public:
+      typedef size_t size_type;
+      typedef ptrdiff_t difference_type;
+      typedef void* pointer;
+      typedef const void* const_pointer;
+      typedef void value_type;
+
+      template<typename _Tp1>
+        struct rebind
+        { typedef allocator<_Tp1> other; };
+
+
+
+
+      typedef true_type propagate_on_container_move_assignment;
+
+
+      typedef true_type is_always_equal;
+
+    };
+# 94 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/allocator.h" 3
+  template<typename _Tp>
+    class allocator: public __allocator_base<_Tp>
+    {
+   public:
+      typedef size_t size_type;
+      typedef ptrdiff_t difference_type;
+      typedef _Tp* pointer;
+      typedef const _Tp* const_pointer;
+      typedef _Tp& reference;
+      typedef const _Tp& const_reference;
+      typedef _Tp value_type;
+
+      template<typename _Tp1>
+        struct rebind
+        { typedef allocator<_Tp1> other; };
+
+
+
+
+      typedef true_type propagate_on_container_move_assignment;
+
+
+      allocator() throw() { }
+
+      allocator(const allocator& __a) throw()
+      : __allocator_base<_Tp>(__a) { }
+
+      template<typename _Tp1>
+        allocator(const allocator<_Tp1>&) throw() { }
+
+      ~allocator() throw() { }
+
+
+    };
+
+  template<typename _T1, typename _T2>
+    inline bool
+    operator==(const allocator<_T1>&, const allocator<_T2>&)
+    noexcept
+    { return true; }
+
+  template<typename _Tp>
+    inline bool
+    operator==(const allocator<_Tp>&, const allocator<_Tp>&)
+    noexcept
+    { return true; }
+
+  template<typename _T1, typename _T2>
+    inline bool
+    operator!=(const allocator<_T1>&, const allocator<_T2>&)
+    noexcept
+    { return false; }
+
+  template<typename _Tp>
+    inline bool
+    operator!=(const allocator<_Tp>&, const allocator<_Tp>&)
+    noexcept
+    { return false; }
+
+
+
+
+
+
+  extern template class allocator<char>;
+  extern template class allocator<wchar_t>;
+
+
+
+
+
+
+  template<typename _Alloc, bool = __is_empty(_Alloc)>
+    struct __alloc_swap
+    { static void _S_do_it(_Alloc&, _Alloc&) noexcept { } };
+
+  template<typename _Alloc>
+    struct __alloc_swap<_Alloc, false>
+    {
+      static void
+      _S_do_it(_Alloc& __one, _Alloc& __two) noexcept
+      {
+
+ if (__one != __two)
+   swap(__one, __two);
+      }
+    };
+
+
+  template<typename _Alloc, bool = __is_empty(_Alloc)>
+    struct __alloc_neq
+    {
+      static bool
+      _S_do_it(const _Alloc&, const _Alloc&)
+      { return false; }
+    };
+
+  template<typename _Alloc>
+    struct __alloc_neq<_Alloc, false>
+    {
+      static bool
+      _S_do_it(const _Alloc& __one, const _Alloc& __two)
+      { return __one != __two; }
+    };
+
+
+  template<typename _Tp, bool
+    = __or_<is_copy_constructible<typename _Tp::value_type>,
+            is_nothrow_move_constructible<typename _Tp::value_type>>::value>
+    struct __shrink_to_fit_aux
+    { static bool _S_do_it(_Tp&) noexcept { return false; } };
+
+  template<typename _Tp>
+    struct __shrink_to_fit_aux<_Tp, true>
+    {
+      static bool
+      _S_do_it(_Tp& __c) noexcept
+      {
+
+ try
+   {
+     _Tp(__make_move_if_noexcept_iterator(__c.begin()),
+  __make_move_if_noexcept_iterator(__c.end()),
+  __c.get_allocator()).swap(__c);
+     return true;
+   }
+ catch(...)
+   { return false; }
+
+
+
+      }
+    };
+
+
+
+}
+# 42 "/aux/hubicka/trunk-install/include/c++/6.0.0/string" 2 3
+
+
+# 1 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/ostream_insert.h" 1 3
+# 33 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/ostream_insert.h" 3
+       
+# 34 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/ostream_insert.h" 3
+
+
+# 1 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/cxxabi_forced.h" 1 3
+# 34 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/cxxabi_forced.h" 3
+       
+# 35 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/cxxabi_forced.h" 3
+
+#pragma GCC visibility push(default)
+
+
+namespace __cxxabiv1
+{
+
+
+
+
+
+
+
+  class __forced_unwind
+  {
+    virtual ~__forced_unwind() throw();
+
+
+    virtual void __pure_dummy() = 0;
+  };
+}
+
+
+#pragma GCC visibility pop
+# 37 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/ostream_insert.h" 2 3
+
+namespace std __attribute__ ((__visibility__ ("default")))
+{
+
+
+  template<typename _CharT, typename _Traits>
+    inline void
+    __ostream_write(basic_ostream<_CharT, _Traits>& __out,
+      const _CharT* __s, streamsize __n)
+    {
+      typedef basic_ostream<_CharT, _Traits> __ostream_type;
+      typedef typename __ostream_type::ios_base __ios_base;
+
+      const streamsize __put = __out.rdbuf()->sputn(__s, __n);
+      if (__put != __n)
+ __out.setstate(__ios_base::badbit);
+    }
+
+  template<typename _CharT, typename _Traits>
+    inline void
+    __ostream_fill(basic_ostream<_CharT, _Traits>& __out, streamsize __n)
+    {
+      typedef basic_ostream<_CharT, _Traits> __ostream_type;
+      typedef typename __ostream_type::ios_base __ios_base;
+
+      const _CharT __c = __out.fill();
+      for (; __n > 0; --__n)
+ {
+   const typename _Traits::int_type __put = __out.rdbuf()->sputc(__c);
+   if (_Traits::eq_int_type(__put, _Traits::eof()))
+     {
+       __out.setstate(__ios_base::badbit);
+       break;
+     }
+ }
+    }
+
+  template<typename _CharT, typename _Traits>
+    basic_ostream<_CharT, _Traits>&
+    __ostream_insert(basic_ostream<_CharT, _Traits>& __out,
+       const _CharT* __s, streamsize __n)
+    {
+      typedef basic_ostream<_CharT, _Traits> __ostream_type;
+      typedef typename __ostream_type::ios_base __ios_base;
+
+      typename __ostream_type::sentry __cerb(__out);
+      if (__cerb)
+ {
+   try
+     {
+       const streamsize __w = __out.width();
+       if (__w > __n)
+  {
+    const bool __left = ((__out.flags()
+     & __ios_base::adjustfield)
+           == __ios_base::left);
+    if (!__left)
+      __ostream_fill(__out, __w - __n);
+    if (__out.good())
+      __ostream_write(__out, __s, __n);
+    if (__left && __out.good())
+      __ostream_fill(__out, __w - __n);
+  }
+       else
+  __ostream_write(__out, __s, __n);
+       __out.width(0);
+     }
+   catch(__cxxabiv1::__forced_unwind&)
+     {
+       __out._M_setstate(__ios_base::badbit);
+       throw;
+     }
+   catch(...)
+     { __out._M_setstate(__ios_base::badbit); }
+ }
+      return __out;
+    }
+
+
+
+
+  extern template ostream& __ostream_insert(ostream&, const char*, streamsize);
+
+
+  extern template wostream& __ostream_insert(wostream&, const wchar_t*,
+          streamsize);
+
+
+
+
+}
+# 45 "/aux/hubicka/trunk-install/include/c++/6.0.0/string" 2 3
+
+
+
+# 1 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/stl_function.h" 1 3
+# 63 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/stl_function.h" 3
+namespace std __attribute__ ((__visibility__ ("default")))
+{
+
+# 104 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/stl_function.h" 3
+  template<typename _Arg, typename _Result>
+    struct unary_function
+    {
+
+      typedef _Arg argument_type;
+
+
+      typedef _Result result_type;
+    };
+
+
+
+
+  template<typename _Arg1, typename _Arg2, typename _Result>
+    struct binary_function
+    {
+
+      typedef _Arg1 first_argument_type;
+
+
+      typedef _Arg2 second_argument_type;
+
+
+      typedef _Result result_type;
+    };
+# 144 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/stl_function.h" 3
+  struct __is_transparent;
+
+  template<typename _Tp = void>
+    struct plus;
+
+  template<typename _Tp = void>
+    struct minus;
+
+  template<typename _Tp = void>
+    struct multiplies;
+
+  template<typename _Tp = void>
+    struct divides;
+
+  template<typename _Tp = void>
+    struct modulus;
+
+  template<typename _Tp = void>
+    struct negate;
+
+
+
+  template<typename _Tp>
+    struct plus : public binary_function<_Tp, _Tp, _Tp>
+    {
+      constexpr
+      _Tp
+      operator()(const _Tp& __x, const _Tp& __y) const
+      { return __x + __y; }
+    };
+
+
+  template<typename _Tp>
+    struct minus : public binary_function<_Tp, _Tp, _Tp>
+    {
+      constexpr
+      _Tp
+      operator()(const _Tp& __x, const _Tp& __y) const
+      { return __x - __y; }
+    };
+
+
+  template<typename _Tp>
+    struct multiplies : public binary_function<_Tp, _Tp, _Tp>
+    {
+      constexpr
+      _Tp
+      operator()(const _Tp& __x, const _Tp& __y) const
+      { return __x * __y; }
+    };
+
+
+  template<typename _Tp>
+    struct divides : public binary_function<_Tp, _Tp, _Tp>
+    {
+      constexpr
+      _Tp
+      operator()(const _Tp& __x, const _Tp& __y) const
+      { return __x / __y; }
+    };
+
+
+  template<typename _Tp>
+    struct modulus : public binary_function<_Tp, _Tp, _Tp>
+    {
+      constexpr
+      _Tp
+      operator()(const _Tp& __x, const _Tp& __y) const
+      { return __x % __y; }
+    };
+
+
+  template<typename _Tp>
+    struct negate : public unary_function<_Tp, _Tp>
+    {
+      constexpr
+      _Tp
+      operator()(const _Tp& __x) const
+      { return -__x; }
+    };
+
+
+
+
+
+
+  template<>
+    struct plus<void>
+    {
+      template <typename _Tp, typename _Up>
+ constexpr
+ auto
+ operator()(_Tp&& __t, _Up&& __u) const
+ noexcept(noexcept(std::forward<_Tp>(__t) + std::forward<_Up>(__u)))
+ -> decltype(std::forward<_Tp>(__t) + std::forward<_Up>(__u))
+ { return std::forward<_Tp>(__t) + std::forward<_Up>(__u); }
+
+      typedef __is_transparent is_transparent;
+    };
+
+
+  template<>
+    struct minus<void>
+    {
+      template <typename _Tp, typename _Up>
+ constexpr
+ auto
+ operator()(_Tp&& __t, _Up&& __u) const
+ noexcept(noexcept(std::forward<_Tp>(__t) - std::forward<_Up>(__u)))
+ -> decltype(std::forward<_Tp>(__t) - std::forward<_Up>(__u))
+ { return std::forward<_Tp>(__t) - std::forward<_Up>(__u); }
+
+      typedef __is_transparent is_transparent;
+    };
+
+
+  template<>
+    struct multiplies<void>
+    {
+      template <typename _Tp, typename _Up>
+ constexpr
+ auto
+ operator()(_Tp&& __t, _Up&& __u) const
+ noexcept(noexcept(std::forward<_Tp>(__t) * std::forward<_Up>(__u)))
+ -> decltype(std::forward<_Tp>(__t) * std::forward<_Up>(__u))
+ { return std::forward<_Tp>(__t) * std::forward<_Up>(__u); }
+
+      typedef __is_transparent is_transparent;
+    };
+
+
+  template<>
+    struct divides<void>
+    {
+      template <typename _Tp, typename _Up>
+ constexpr
+ auto
+ operator()(_Tp&& __t, _Up&& __u) const
+ noexcept(noexcept(std::forward<_Tp>(__t) / std::forward<_Up>(__u)))
+ -> decltype(std::forward<_Tp>(__t) / std::forward<_Up>(__u))
+ { return std::forward<_Tp>(__t) / std::forward<_Up>(__u); }
+
+      typedef __is_transparent is_transparent;
+    };
+
+
+  template<>
+    struct modulus<void>
+    {
+      template <typename _Tp, typename _Up>
+ constexpr
+ auto
+ operator()(_Tp&& __t, _Up&& __u) const
+ noexcept(noexcept(std::forward<_Tp>(__t) % std::forward<_Up>(__u)))
+ -> decltype(std::forward<_Tp>(__t) % std::forward<_Up>(__u))
+ { return std::forward<_Tp>(__t) % std::forward<_Up>(__u); }
+
+      typedef __is_transparent is_transparent;
+    };
+
+
+  template<>
+    struct negate<void>
+    {
+      template <typename _Tp>
+ constexpr
+ auto
+ operator()(_Tp&& __t) const
+ noexcept(noexcept(-std::forward<_Tp>(__t)))
+ -> decltype(-std::forward<_Tp>(__t))
+ { return -std::forward<_Tp>(__t); }
+
+      typedef __is_transparent is_transparent;
+    };
+# 331 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/stl_function.h" 3
+  template<typename _Tp = void>
+    struct equal_to;
+
+  template<typename _Tp = void>
+    struct not_equal_to;
+
+  template<typename _Tp = void>
+    struct greater;
+
+  template<typename _Tp = void>
+    struct less;
+
+  template<typename _Tp = void>
+    struct greater_equal;
+
+  template<typename _Tp = void>
+    struct less_equal;
+
+
+
+  template<typename _Tp>
+    struct equal_to : public binary_function<_Tp, _Tp, bool>
+    {
+      constexpr
+      bool
+      operator()(const _Tp& __x, const _Tp& __y) const
+      { return __x == __y; }
+    };
+
+
+  template<typename _Tp>
+    struct not_equal_to : public binary_function<_Tp, _Tp, bool>
+    {
+      constexpr
+      bool
+      operator()(const _Tp& __x, const _Tp& __y) const
+      { return __x != __y; }
+    };
+
+
+  template<typename _Tp>
+    struct greater : public binary_function<_Tp, _Tp, bool>
+    {
+      constexpr
+      bool
+      operator()(const _Tp& __x, const _Tp& __y) const
+      { return __x > __y; }
+    };
+
+
+  template<typename _Tp>
+    struct less : public binary_function<_Tp, _Tp, bool>
+    {
+      constexpr
+      bool
+      operator()(const _Tp& __x, const _Tp& __y) const
+      { return __x < __y; }
+    };
+
+
+  template<typename _Tp>
+    struct greater_equal : public binary_function<_Tp, _Tp, bool>
+    {
+      constexpr
+      bool
+      operator()(const _Tp& __x, const _Tp& __y) const
+      { return __x >= __y; }
+    };
+
+
+  template<typename _Tp>
+    struct less_equal : public binary_function<_Tp, _Tp, bool>
+    {
+      constexpr
+      bool
+      operator()(const _Tp& __x, const _Tp& __y) const
+      { return __x <= __y; }
+    };
+
+
+
+  template<>
+    struct equal_to<void>
+    {
+      template <typename _Tp, typename _Up>
+ constexpr
+ auto
+ operator()(_Tp&& __t, _Up&& __u) const
+ noexcept(noexcept(std::forward<_Tp>(__t) == std::forward<_Up>(__u)))
+ -> decltype(std::forward<_Tp>(__t) == std::forward<_Up>(__u))
+ { return std::forward<_Tp>(__t) == std::forward<_Up>(__u); }
+
+      typedef __is_transparent is_transparent;
+    };
+
+
+  template<>
+    struct not_equal_to<void>
+    {
+      template <typename _Tp, typename _Up>
+ constexpr
+ auto
+ operator()(_Tp&& __t, _Up&& __u) const
+ noexcept(noexcept(std::forward<_Tp>(__t) != std::forward<_Up>(__u)))
+ -> decltype(std::forward<_Tp>(__t) != std::forward<_Up>(__u))
+ { return std::forward<_Tp>(__t) != std::forward<_Up>(__u); }
+
+      typedef __is_transparent is_transparent;
+    };
+
+
+  template<>
+    struct greater<void>
+    {
+      template <typename _Tp, typename _Up>
+ constexpr
+ auto
+ operator()(_Tp&& __t, _Up&& __u) const
+ noexcept(noexcept(std::forward<_Tp>(__t) > std::forward<_Up>(__u)))
+ -> decltype(std::forward<_Tp>(__t) > std::forward<_Up>(__u))
+ { return std::forward<_Tp>(__t) > std::forward<_Up>(__u); }
+
+      typedef __is_transparent is_transparent;
+    };
+
+
+  template<>
+    struct less<void>
+    {
+      template <typename _Tp, typename _Up>
+ constexpr
+ auto
+ operator()(_Tp&& __t, _Up&& __u) const
+ noexcept(noexcept(std::forward<_Tp>(__t) < std::forward<_Up>(__u)))
+ -> decltype(std::forward<_Tp>(__t) < std::forward<_Up>(__u))
+ { return std::forward<_Tp>(__t) < std::forward<_Up>(__u); }
+
+      typedef __is_transparent is_transparent;
+    };
+
+
+  template<>
+    struct greater_equal<void>
+    {
+      template <typename _Tp, typename _Up>
+ constexpr
+ auto
+ operator()(_Tp&& __t, _Up&& __u) const
+ noexcept(noexcept(std::forward<_Tp>(__t) >= std::forward<_Up>(__u)))
+ -> decltype(std::forward<_Tp>(__t) >= std::forward<_Up>(__u))
+ { return std::forward<_Tp>(__t) >= std::forward<_Up>(__u); }
+
+      typedef __is_transparent is_transparent;
+    };
+
+
+  template<>
+    struct less_equal<void>
+    {
+      template <typename _Tp, typename _Up>
+ constexpr
+ auto
+ operator()(_Tp&& __t, _Up&& __u) const
+ noexcept(noexcept(std::forward<_Tp>(__t) <= std::forward<_Up>(__u)))
+ -> decltype(std::forward<_Tp>(__t) <= std::forward<_Up>(__u))
+ { return std::forward<_Tp>(__t) <= std::forward<_Up>(__u); }
+
+      typedef __is_transparent is_transparent;
+    };
+# 513 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/stl_function.h" 3
+  template<typename _Tp = void>
+    struct logical_and;
+
+  template<typename _Tp = void>
+    struct logical_or;
+
+  template<typename _Tp = void>
+    struct logical_not;
+
+
+
+  template<typename _Tp>
+    struct logical_and : public binary_function<_Tp, _Tp, bool>
+    {
+      constexpr
+      bool
+      operator()(const _Tp& __x, const _Tp& __y) const
+      { return __x && __y; }
+    };
+
+
+  template<typename _Tp>
+    struct logical_or : public binary_function<_Tp, _Tp, bool>
+    {
+      constexpr
+      bool
+      operator()(const _Tp& __x, const _Tp& __y) const
+      { return __x || __y; }
+    };
+
+
+  template<typename _Tp>
+    struct logical_not : public unary_function<_Tp, bool>
+    {
+      constexpr
+      bool
+      operator()(const _Tp& __x) const
+      { return !__x; }
+    };
+
+
+
+  template<>
+    struct logical_and<void>
+    {
+      template <typename _Tp, typename _Up>
+ constexpr
+ auto
+ operator()(_Tp&& __t, _Up&& __u) const
+ noexcept(noexcept(std::forward<_Tp>(__t) && std::forward<_Up>(__u)))
+ -> decltype(std::forward<_Tp>(__t) && std::forward<_Up>(__u))
+ { return std::forward<_Tp>(__t) && std::forward<_Up>(__u); }
+
+      typedef __is_transparent is_transparent;
+    };
+
+
+  template<>
+    struct logical_or<void>
+    {
+      template <typename _Tp, typename _Up>
+ constexpr
+ auto
+ operator()(_Tp&& __t, _Up&& __u) const
+ noexcept(noexcept(std::forward<_Tp>(__t) || std::forward<_Up>(__u)))
+ -> decltype(std::forward<_Tp>(__t) || std::forward<_Up>(__u))
+ { return std::forward<_Tp>(__t) || std::forward<_Up>(__u); }
+
+      typedef __is_transparent is_transparent;
+    };
+
+
+  template<>
+    struct logical_not<void>
+    {
+      template <typename _Tp>
+ constexpr
+ auto
+ operator()(_Tp&& __t) const
+ noexcept(noexcept(!std::forward<_Tp>(__t)))
+ -> decltype(!std::forward<_Tp>(__t))
+ { return !std::forward<_Tp>(__t); }
+
+      typedef __is_transparent is_transparent;
+    };
+
+
+
+
+  template<typename _Tp = void>
+    struct bit_and;
+
+  template<typename _Tp = void>
+    struct bit_or;
+
+  template<typename _Tp = void>
+    struct bit_xor;
+
+  template<typename _Tp = void>
+    struct bit_not;
+
+
+
+
+  template<typename _Tp>
+    struct bit_and : public binary_function<_Tp, _Tp, _Tp>
+    {
+      constexpr
+      _Tp
+      operator()(const _Tp& __x, const _Tp& __y) const
+      { return __x & __y; }
+    };
+
+  template<typename _Tp>
+    struct bit_or : public binary_function<_Tp, _Tp, _Tp>
+    {
+      constexpr
+      _Tp
+      operator()(const _Tp& __x, const _Tp& __y) const
+      { return __x | __y; }
+    };
+
+  template<typename _Tp>
+    struct bit_xor : public binary_function<_Tp, _Tp, _Tp>
+    {
+      constexpr
+      _Tp
+      operator()(const _Tp& __x, const _Tp& __y) const
+      { return __x ^ __y; }
+    };
+
+  template<typename _Tp>
+    struct bit_not : public unary_function<_Tp, _Tp>
+    {
+    constexpr
+      _Tp
+      operator()(const _Tp& __x) const
+      { return ~__x; }
+    };
+
+
+  template <>
+    struct bit_and<void>
+    {
+      template <typename _Tp, typename _Up>
+ constexpr
+ auto
+ operator()(_Tp&& __t, _Up&& __u) const
+ noexcept(noexcept(std::forward<_Tp>(__t) & std::forward<_Up>(__u)))
+ -> decltype(std::forward<_Tp>(__t) & std::forward<_Up>(__u))
+ { return std::forward<_Tp>(__t) & std::forward<_Up>(__u); }
+
+      typedef __is_transparent is_transparent;
+    };
+
+  template <>
+    struct bit_or<void>
+    {
+      template <typename _Tp, typename _Up>
+ constexpr
+ auto
+ operator()(_Tp&& __t, _Up&& __u) const
+ noexcept(noexcept(std::forward<_Tp>(__t) | std::forward<_Up>(__u)))
+ -> decltype(std::forward<_Tp>(__t) | std::forward<_Up>(__u))
+ { return std::forward<_Tp>(__t) | std::forward<_Up>(__u); }
+
+      typedef __is_transparent is_transparent;
+    };
+
+  template <>
+    struct bit_xor<void>
+    {
+      template <typename _Tp, typename _Up>
+ constexpr
+ auto
+ operator()(_Tp&& __t, _Up&& __u) const
+ noexcept(noexcept(std::forward<_Tp>(__t) ^ std::forward<_Up>(__u)))
+ -> decltype(std::forward<_Tp>(__t) ^ std::forward<_Up>(__u))
+ { return std::forward<_Tp>(__t) ^ std::forward<_Up>(__u); }
+
+      typedef __is_transparent is_transparent;
+    };
+
+  template <>
+    struct bit_not<void>
+    {
+      template <typename _Tp>
+ constexpr
+ auto
+ operator()(_Tp&& __t) const
+ noexcept(noexcept(~std::forward<_Tp>(__t)))
+ -> decltype(~std::forward<_Tp>(__t))
+ { return ~std::forward<_Tp>(__t); }
+
+      typedef __is_transparent is_transparent;
+    };
+# 741 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/stl_function.h" 3
+  template<typename _Predicate>
+    class unary_negate
+    : public unary_function<typename _Predicate::argument_type, bool>
+    {
+    protected:
+      _Predicate _M_pred;
+
+    public:
+      constexpr
+      explicit
+      unary_negate(const _Predicate& __x) : _M_pred(__x) { }
+
+      constexpr
+      bool
+      operator()(const typename _Predicate::argument_type& __x) const
+      { return !_M_pred(__x); }
+    };
+
+
+  template<typename _Predicate>
+    constexpr
+    inline unary_negate<_Predicate>
+    not1(const _Predicate& __pred)
+    { return unary_negate<_Predicate>(__pred); }
+
+
+  template<typename _Predicate>
+    class binary_negate
+    : public binary_function<typename _Predicate::first_argument_type,
+        typename _Predicate::second_argument_type, bool>
+    {
+    protected:
+      _Predicate _M_pred;
+
+    public:
+      constexpr
+      explicit
+      binary_negate(const _Predicate& __x) : _M_pred(__x) { }
+
+      constexpr
+      bool
+      operator()(const typename _Predicate::first_argument_type& __x,
+   const typename _Predicate::second_argument_type& __y) const
+      { return !_M_pred(__x, __y); }
+    };
+
+
+  template<typename _Predicate>
+    constexpr
+    inline binary_negate<_Predicate>
+    not2(const _Predicate& __pred)
+    { return binary_negate<_Predicate>(__pred); }
+# 818 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/stl_function.h" 3
+  template<typename _Arg, typename _Result>
+    class pointer_to_unary_function : public unary_function<_Arg, _Result>
+    {
+    protected:
+      _Result (*_M_ptr)(_Arg);
+
+    public:
+      pointer_to_unary_function() { }
+
+      explicit
+      pointer_to_unary_function(_Result (*__x)(_Arg))
+      : _M_ptr(__x) { }
+
+      _Result
+      operator()(_Arg __x) const
+      { return _M_ptr(__x); }
+    };
+
+
+  template<typename _Arg, typename _Result>
+    inline pointer_to_unary_function<_Arg, _Result>
+    ptr_fun(_Result (*__x)(_Arg))
+    { return pointer_to_unary_function<_Arg, _Result>(__x); }
+
+
+  template<typename _Arg1, typename _Arg2, typename _Result>
+    class pointer_to_binary_function
+    : public binary_function<_Arg1, _Arg2, _Result>
+    {
+    protected:
+      _Result (*_M_ptr)(_Arg1, _Arg2);
+
+    public:
+      pointer_to_binary_function() { }
+
+      explicit
+      pointer_to_binary_function(_Result (*__x)(_Arg1, _Arg2))
+      : _M_ptr(__x) { }
+
+      _Result
+      operator()(_Arg1 __x, _Arg2 __y) const
+      { return _M_ptr(__x, __y); }
+    };
+
+
+  template<typename _Arg1, typename _Arg2, typename _Result>
+    inline pointer_to_binary_function<_Arg1, _Arg2, _Result>
+    ptr_fun(_Result (*__x)(_Arg1, _Arg2))
+    { return pointer_to_binary_function<_Arg1, _Arg2, _Result>(__x); }
+
+
+  template<typename _Tp>
+    struct _Identity
+    : public unary_function<_Tp,_Tp>
+    {
+      _Tp&
+      operator()(_Tp& __x) const
+      { return __x; }
+
+      const _Tp&
+      operator()(const _Tp& __x) const
+      { return __x; }
+    };
+
+  template<typename _Pair>
+    struct _Select1st
+    : public unary_function<_Pair, typename _Pair::first_type>
+    {
+      typename _Pair::first_type&
+      operator()(_Pair& __x) const
+      { return __x.first; }
+
+      const typename _Pair::first_type&
+      operator()(const _Pair& __x) const
+      { return __x.first; }
+
+
+      template<typename _Pair2>
+        typename _Pair2::first_type&
+        operator()(_Pair2& __x) const
+        { return __x.first; }
+
+      template<typename _Pair2>
+        const typename _Pair2::first_type&
+        operator()(const _Pair2& __x) const
+        { return __x.first; }
+
+    };
+
+  template<typename _Pair>
+    struct _Select2nd
+    : public unary_function<_Pair, typename _Pair::second_type>
+    {
+      typename _Pair::second_type&
+      operator()(_Pair& __x) const
+      { return __x.second; }
+
+      const typename _Pair::second_type&
+      operator()(const _Pair& __x) const
+      { return __x.second; }
+    };
+# 938 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/stl_function.h" 3
+  template<typename _Ret, typename _Tp>
+    class mem_fun_t : public unary_function<_Tp*, _Ret>
+    {
+    public:
+      explicit
+      mem_fun_t(_Ret (_Tp::*__pf)())
+      : _M_f(__pf) { }
+
+      _Ret
+      operator()(_Tp* __p) const
+      { return (__p->*_M_f)(); }
+
+    private:
+      _Ret (_Tp::*_M_f)();
+    };
+
+
+
+  template<typename _Ret, typename _Tp>
+    class const_mem_fun_t : public unary_function<const _Tp*, _Ret>
+    {
+    public:
+      explicit
+      const_mem_fun_t(_Ret (_Tp::*__pf)() const)
+      : _M_f(__pf) { }
+
+      _Ret
+      operator()(const _Tp* __p) const
+      { return (__p->*_M_f)(); }
+
+    private:
+      _Ret (_Tp::*_M_f)() const;
+    };
+
+
+
+  template<typename _Ret, typename _Tp>
+    class mem_fun_ref_t : public unary_function<_Tp, _Ret>
+    {
+    public:
+      explicit
+      mem_fun_ref_t(_Ret (_Tp::*__pf)())
+      : _M_f(__pf) { }
+
+      _Ret
+      operator()(_Tp& __r) const
+      { return (__r.*_M_f)(); }
+
+    private:
+      _Ret (_Tp::*_M_f)();
+  };
+
+
+
+  template<typename _Ret, typename _Tp>
+    class const_mem_fun_ref_t : public unary_function<_Tp, _Ret>
+    {
+    public:
+      explicit
+      const_mem_fun_ref_t(_Ret (_Tp::*__pf)() const)
+      : _M_f(__pf) { }
+
+      _Ret
+      operator()(const _Tp& __r) const
+      { return (__r.*_M_f)(); }
+
+    private:
+      _Ret (_Tp::*_M_f)() const;
+    };
+
+
+
+  template<typename _Ret, typename _Tp, typename _Arg>
+    class mem_fun1_t : public binary_function<_Tp*, _Arg, _Ret>
+    {
+    public:
+      explicit
+      mem_fun1_t(_Ret (_Tp::*__pf)(_Arg))
+      : _M_f(__pf) { }
+
+      _Ret
+      operator()(_Tp* __p, _Arg __x) const
+      { return (__p->*_M_f)(__x); }
+
+    private:
+      _Ret (_Tp::*_M_f)(_Arg);
+    };
+
+
+
+  template<typename _Ret, typename _Tp, typename _Arg>
+    class const_mem_fun1_t : public binary_function<const _Tp*, _Arg, _Ret>
+    {
+    public:
+      explicit
+      const_mem_fun1_t(_Ret (_Tp::*__pf)(_Arg) const)
+      : _M_f(__pf) { }
+
+      _Ret
+      operator()(const _Tp* __p, _Arg __x) const
+      { return (__p->*_M_f)(__x); }
+
+    private:
+      _Ret (_Tp::*_M_f)(_Arg) const;
+    };
+
+
+
+  template<typename _Ret, typename _Tp, typename _Arg>
+    class mem_fun1_ref_t : public binary_function<_Tp, _Arg, _Ret>
+    {
+    public:
+      explicit
+      mem_fun1_ref_t(_Ret (_Tp::*__pf)(_Arg))
+      : _M_f(__pf) { }
+
+      _Ret
+      operator()(_Tp& __r, _Arg __x) const
+      { return (__r.*_M_f)(__x); }
+
+    private:
+      _Ret (_Tp::*_M_f)(_Arg);
+    };
+
+
+
+  template<typename _Ret, typename _Tp, typename _Arg>
+    class const_mem_fun1_ref_t : public binary_function<_Tp, _Arg, _Ret>
+    {
+    public:
+      explicit
+      const_mem_fun1_ref_t(_Ret (_Tp::*__pf)(_Arg) const)
+      : _M_f(__pf) { }
+
+      _Ret
+      operator()(const _Tp& __r, _Arg __x) const
+      { return (__r.*_M_f)(__x); }
+
+    private:
+      _Ret (_Tp::*_M_f)(_Arg) const;
+    };
+
+
+
+  template<typename _Ret, typename _Tp>
+    inline mem_fun_t<_Ret, _Tp>
+    mem_fun(_Ret (_Tp::*__f)())
+    { return mem_fun_t<_Ret, _Tp>(__f); }
+
+  template<typename _Ret, typename _Tp>
+    inline const_mem_fun_t<_Ret, _Tp>
+    mem_fun(_Ret (_Tp::*__f)() const)
+    { return const_mem_fun_t<_Ret, _Tp>(__f); }
+
+  template<typename _Ret, typename _Tp>
+    inline mem_fun_ref_t<_Ret, _Tp>
+    mem_fun_ref(_Ret (_Tp::*__f)())
+    { return mem_fun_ref_t<_Ret, _Tp>(__f); }
+
+  template<typename _Ret, typename _Tp>
+    inline const_mem_fun_ref_t<_Ret, _Tp>
+    mem_fun_ref(_Ret (_Tp::*__f)() const)
+    { return const_mem_fun_ref_t<_Ret, _Tp>(__f); }
+
+  template<typename _Ret, typename _Tp, typename _Arg>
+    inline mem_fun1_t<_Ret, _Tp, _Arg>
+    mem_fun(_Ret (_Tp::*__f)(_Arg))
+    { return mem_fun1_t<_Ret, _Tp, _Arg>(__f); }
+
+  template<typename _Ret, typename _Tp, typename _Arg>
+    inline const_mem_fun1_t<_Ret, _Tp, _Arg>
+    mem_fun(_Ret (_Tp::*__f)(_Arg) const)
+    { return const_mem_fun1_t<_Ret, _Tp, _Arg>(__f); }
+
+  template<typename _Ret, typename _Tp, typename _Arg>
+    inline mem_fun1_ref_t<_Ret, _Tp, _Arg>
+    mem_fun_ref(_Ret (_Tp::*__f)(_Arg))
+    { return mem_fun1_ref_t<_Ret, _Tp, _Arg>(__f); }
+
+  template<typename _Ret, typename _Tp, typename _Arg>
+    inline const_mem_fun1_ref_t<_Ret, _Tp, _Arg>
+    mem_fun_ref(_Ret (_Tp::*__f)(_Arg) const)
+    { return const_mem_fun1_ref_t<_Ret, _Tp, _Arg>(__f); }
+
+
+
+
+}
+
+
+# 1 "/aux/hubicka/trunk-install/include/c++/6.0.0/backward/binders.h" 1 3
+# 60 "/aux/hubicka/trunk-install/include/c++/6.0.0/backward/binders.h" 3
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
+
+namespace std __attribute__ ((__visibility__ ("default")))
+{
+
+# 107 "/aux/hubicka/trunk-install/include/c++/6.0.0/backward/binders.h" 3
+  template<typename _Operation>
+    class binder1st
+    : public unary_function<typename _Operation::second_argument_type,
+       typename _Operation::result_type>
+    {
+    protected:
+      _Operation op;
+      typename _Operation::first_argument_type value;
+
+    public:
+      binder1st(const _Operation& __x,
+  const typename _Operation::first_argument_type& __y)
+      : op(__x), value(__y) { }
+
+      typename _Operation::result_type
+      operator()(const typename _Operation::second_argument_type& __x) const
+      { return op(value, __x); }
+
+
+
+      typename _Operation::result_type
+      operator()(typename _Operation::second_argument_type& __x) const
+      { return op(value, __x); }
+    } __attribute__ ((__deprecated__));
+
+
+  template<typename _Operation, typename _Tp>
+    inline binder1st<_Operation>
+    bind1st(const _Operation& __fn, const _Tp& __x)
+    {
+      typedef typename _Operation::first_argument_type _Arg1_type;
+      return binder1st<_Operation>(__fn, _Arg1_type(__x));
+    }
+
+
+  template<typename _Operation>
+    class binder2nd
+    : public unary_function<typename _Operation::first_argument_type,
+       typename _Operation::result_type>
+    {
+    protected:
+      _Operation op;
+      typename _Operation::second_argument_type value;
+
+    public:
+      binder2nd(const _Operation& __x,
+  const typename _Operation::second_argument_type& __y)
+      : op(__x), value(__y) { }
+
+      typename _Operation::result_type
+      operator()(const typename _Operation::first_argument_type& __x) const
+      { return op(__x, value); }
+
+
+
+      typename _Operation::result_type
+      operator()(typename _Operation::first_argument_type& __x) const
+      { return op(__x, value); }
+    } __attribute__ ((__deprecated__));
+
+
+  template<typename _Operation, typename _Tp>
+    inline binder2nd<_Operation>
+    bind2nd(const _Operation& __fn, const _Tp& __x)
+    {
+      typedef typename _Operation::second_argument_type _Arg2_type;
+      return binder2nd<_Operation>(__fn, _Arg2_type(__x));
+    }
+
+
+
+}
+
+#pragma GCC diagnostic pop
+# 1129 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/stl_function.h" 2 3
+# 49 "/aux/hubicka/trunk-install/include/c++/6.0.0/string" 2 3
+
+
+# 1 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/range_access.h" 1 3
+# 33 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/range_access.h" 3
+       
+# 34 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/range_access.h" 3
+
+
+# 1 "/aux/hubicka/trunk-install/include/c++/6.0.0/initializer_list" 1 3
+# 33 "/aux/hubicka/trunk-install/include/c++/6.0.0/initializer_list" 3
+       
+# 34 "/aux/hubicka/trunk-install/include/c++/6.0.0/initializer_list" 3
+
+
+
+
+
+#pragma GCC visibility push(default)
+
+
+
+namespace std
+{
+
+  template<class _E>
+    class initializer_list
+    {
+    public:
+      typedef _E value_type;
+      typedef const _E& reference;
+      typedef const _E& const_reference;
+      typedef size_t size_type;
+      typedef const _E* iterator;
+      typedef const _E* const_iterator;
+
+    private:
+      iterator _M_array;
+      size_type _M_len;
+
+
+      constexpr initializer_list(const_iterator __a, size_type __l)
+      : _M_array(__a), _M_len(__l) { }
+
+    public:
+      constexpr initializer_list() noexcept
+      : _M_array(0), _M_len(0) { }
+
+
+      constexpr size_type
+      size() const noexcept { return _M_len; }
+
+
+      constexpr const_iterator
+      begin() const noexcept { return _M_array; }
+
+
+      constexpr const_iterator
+      end() const noexcept { return begin() + size(); }
+    };
+
+
+
+
+
+
+  template<class _Tp>
+    constexpr const _Tp*
+    begin(initializer_list<_Tp> __ils) noexcept
+    { return __ils.begin(); }
+
+
+
+
+
+
+  template<class _Tp>
+    constexpr const _Tp*
+    end(initializer_list<_Tp> __ils) noexcept
+    { return __ils.end(); }
+}
+
+#pragma GCC visibility pop
+# 37 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/range_access.h" 2 3
+namespace std __attribute__ ((__visibility__ ("default")))
+{
+
+
+
+
+
+
+
+  template<typename _Container>
+    inline auto
+    begin(_Container& __cont) -> decltype(__cont.begin())
+    { return __cont.begin(); }
+
+
+
+
+
+
+  template<typename _Container>
+    inline auto
+    begin(const _Container& __cont) -> decltype(__cont.begin())
+    { return __cont.begin(); }
+
+
+
+
+
+
+  template<typename _Container>
+    inline auto
+    end(_Container& __cont) -> decltype(__cont.end())
+    { return __cont.end(); }
+
+
+
+
+
+
+  template<typename _Container>
+    inline auto
+    end(const _Container& __cont) -> decltype(__cont.end())
+    { return __cont.end(); }
+
+
+
+
+
+  template<typename _Tp, size_t _Nm>
+    inline constexpr _Tp*
+    begin(_Tp (&__arr)[_Nm])
+    { return __arr; }
+
+
+
+
+
+
+  template<typename _Tp, size_t _Nm>
+    inline constexpr _Tp*
+    end(_Tp (&__arr)[_Nm])
+    { return __arr + _Nm; }
+
+
+
+  template<typename _Tp> class valarray;
+
+  template<typename _Tp> _Tp* begin(valarray<_Tp>&);
+  template<typename _Tp> const _Tp* begin(const valarray<_Tp>&);
+  template<typename _Tp> _Tp* end(valarray<_Tp>&);
+  template<typename _Tp> const _Tp* end(const valarray<_Tp>&);
+
+
+
+
+
+
+  template<typename _Container>
+    inline constexpr auto
+    cbegin(const _Container& __cont) noexcept(noexcept(std::begin(__cont)))
+      -> decltype(std::begin(__cont))
+    { return std::begin(__cont); }
+
+
+
+
+
+
+  template<typename _Container>
+    inline constexpr auto
+    cend(const _Container& __cont) noexcept(noexcept(std::end(__cont)))
+      -> decltype(std::end(__cont))
+    { return std::end(__cont); }
+
+
+
+
+
+
+  template<typename _Container>
+    inline auto
+    rbegin(_Container& __cont) -> decltype(__cont.rbegin())
+    { return __cont.rbegin(); }
+
+
+
+
+
+
+  template<typename _Container>
+    inline auto
+    rbegin(const _Container& __cont) -> decltype(__cont.rbegin())
+    { return __cont.rbegin(); }
+
+
+
+
+
+
+  template<typename _Container>
+    inline auto
+    rend(_Container& __cont) -> decltype(__cont.rend())
+    { return __cont.rend(); }
+
+
+
+
+
+
+  template<typename _Container>
+    inline auto
+    rend(const _Container& __cont) -> decltype(__cont.rend())
+    { return __cont.rend(); }
+
+
+
+
+
+
+  template<typename _Tp, size_t _Nm>
+    inline reverse_iterator<_Tp*>
+    rbegin(_Tp (&__arr)[_Nm])
+    { return reverse_iterator<_Tp*>(__arr + _Nm); }
+
+
+
+
+
+
+  template<typename _Tp, size_t _Nm>
+    inline reverse_iterator<_Tp*>
+    rend(_Tp (&__arr)[_Nm])
+    { return reverse_iterator<_Tp*>(__arr); }
+
+
+
+
+
+
+  template<typename _Tp>
+    inline reverse_iterator<const _Tp*>
+    rbegin(initializer_list<_Tp> __il)
+    { return reverse_iterator<const _Tp*>(__il.end()); }
+
+
+
+
+
+
+  template<typename _Tp>
+    inline reverse_iterator<const _Tp*>
+    rend(initializer_list<_Tp> __il)
+    { return reverse_iterator<const _Tp*>(__il.begin()); }
+
+
+
+
+
+
+  template<typename _Container>
+    inline auto
+    crbegin(const _Container& __cont) -> decltype(std::rbegin(__cont))
+    { return std::rbegin(__cont); }
+
+
+
+
+
+
+  template<typename _Container>
+    inline auto
+    crend(const _Container& __cont) -> decltype(std::rend(__cont))
+    { return std::rend(__cont); }
+# 319 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/range_access.h" 3
+
+}
+# 52 "/aux/hubicka/trunk-install/include/c++/6.0.0/string" 2 3
+# 1 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.h" 1 3
+# 37 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.h" 3
+       
+# 38 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.h" 3
+
+
+# 1 "/aux/hubicka/trunk-install/include/c++/6.0.0/ext/alloc_traits.h" 1 3
+# 32 "/aux/hubicka/trunk-install/include/c++/6.0.0/ext/alloc_traits.h" 3
+       
+# 33 "/aux/hubicka/trunk-install/include/c++/6.0.0/ext/alloc_traits.h" 3
+
+
+
+# 1 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/alloc_traits.h" 1 3
+# 41 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/alloc_traits.h" 3
+namespace std __attribute__ ((__visibility__ ("default")))
+{
+
+
+  struct __allocator_traits_base
+  {
+    template<typename _Alloc, typename _Up>
+      using __rebind = typename _Alloc::template rebind<_Up>::other;
+
+  protected:
+    template<typename _Tp>
+      using __pointer = typename _Tp::pointer;
+    template<typename _Tp>
+      using __c_pointer = typename _Tp::const_pointer;
+    template<typename _Tp>
+      using __v_pointer = typename _Tp::void_pointer;
+    template<typename _Tp>
+      using __cv_pointer = typename _Tp::const_void_pointer;
+    template<typename _Tp>
+      using __diff_type = typename _Tp::difference_type;
+    template<typename _Tp>
+      using __size_type = typename _Tp::size_type;
+    template<typename _Tp>
+      using __pocca = typename _Tp::propagate_on_container_copy_assignment;
+    template<typename _Tp>
+      using __pocma = typename _Tp::propagate_on_container_move_assignment;
+    template<typename _Tp>
+      using __pocs = typename _Tp::propagate_on_container_swap;
+    template<typename _Tp>
+      using __equal = typename _Tp::is_always_equal;
+  };
+
+  template<typename _Alloc, typename _Up>
+    using __alloc_rebind = __detected_or_t_<__replace_first_arg_t,
+         __allocator_traits_base::__rebind,
+         _Alloc, _Up>;
+
+
+
+
+
+  template<typename _Alloc>
+    struct allocator_traits : __allocator_traits_base
+    {
+
+      typedef _Alloc allocator_type;
+
+      typedef typename _Alloc::value_type value_type;
+
+
+
+
+
+
+      using pointer = __detected_or_t<value_type*, __pointer, _Alloc>;
+
+
+
+
+
+
+
+      using const_pointer
+ = __detected_or_t<__ptr_rebind<pointer, const value_type>,
+     __c_pointer, _Alloc>;
+
+
+
+
+
+
+
+      using void_pointer
+ = __detected_or_t<__ptr_rebind<pointer, void>, __v_pointer, _Alloc>;
+
+
+
+
+
+
+
+      using const_void_pointer
+ = __detected_or_t<__ptr_rebind<pointer, const void>, __cv_pointer,
+     _Alloc>;
+
+
+
+
+
+
+
+      using difference_type
+ = __detected_or_t<typename pointer_traits<pointer>::difference_type,
+     __diff_type, _Alloc>;
+
+
+
+
+
+
+
+      using size_type
+ = __detected_or_t<typename make_unsigned<difference_type>::type,
+     __size_type, _Alloc>;
+
+
+
+
+
+
+
+      using propagate_on_container_copy_assignment
+ = __detected_or_t<false_type, __pocca, _Alloc>;
+
+
+
+
+
+
+
+      using propagate_on_container_move_assignment
+ = __detected_or_t<false_type, __pocma, _Alloc>;
+
+
+
+
+
+
+
+      using propagate_on_container_swap
+ = __detected_or_t<false_type, __pocs, _Alloc>;
+
+
+
+
+
+
+
+      using is_always_equal
+ = __detected_or_t<typename is_empty<_Alloc>::type, __equal, _Alloc>;
+
+      template<typename _Tp>
+ using rebind_alloc = __alloc_rebind<_Alloc, _Tp>;
+      template<typename _Tp>
+ using rebind_traits = allocator_traits<rebind_alloc<_Tp>>;
+
+      static_assert(!is_same<rebind_alloc<value_type>, __undefined>::value,
+   "allocator defines rebind or is like Alloc<T, Args>");
+
+    private:
+      template<typename _Alloc2>
+ static auto
+ _S_allocate(_Alloc2& __a, size_type __n, const_void_pointer __hint, int)
+ -> decltype(__a.allocate(__n, __hint))
+ { return __a.allocate(__n, __hint); }
+
+      template<typename _Alloc2>
+ static pointer
+ _S_allocate(_Alloc2& __a, size_type __n, const_void_pointer, ...)
+ { return __a.allocate(__n); }
+
+      template<typename _Tp, typename... _Args>
+ struct __construct_helper
+ {
+   template<typename _Alloc2,
+     typename = decltype(std::declval<_Alloc2*>()->construct(
+    std::declval<_Tp*>(), std::declval<_Args>()...))>
+     static true_type __test(int);
+
+   template<typename>
+     static false_type __test(...);
+
+   using type = decltype(__test<_Alloc>(0));
+ };
+
+      template<typename _Tp, typename... _Args>
+ using __has_construct
+   = typename __construct_helper<_Tp, _Args...>::type;
+
+      template<typename _Tp, typename... _Args>
+ static _Require<__has_construct<_Tp, _Args...>>
+ _S_construct(_Alloc& __a, _Tp* __p, _Args&&... __args)
+ { __a.construct(__p, std::forward<_Args>(__args)...); }
+
+      template<typename _Tp, typename... _Args>
+ static
+ _Require<__and_<__not_<__has_construct<_Tp, _Args...>>,
+          is_constructible<_Tp, _Args...>>>
+ _S_construct(_Alloc&, _Tp* __p, _Args&&... __args)
+ { ::new((void*)__p) _Tp(std::forward<_Args>(__args)...); }
+
+      template<typename _Alloc2, typename _Tp>
+ static auto
+ _S_destroy(_Alloc2& __a, _Tp* __p, int)
+ -> decltype(__a.destroy(__p))
+ { __a.destroy(__p); }
+
+      template<typename _Alloc2, typename _Tp>
+ static void
+ _S_destroy(_Alloc2&, _Tp* __p, ...)
+ { __p->~_Tp(); }
+
+      template<typename _Alloc2>
+ static auto
+ _S_max_size(_Alloc2& __a, int)
+ -> decltype(__a.max_size())
+ { return __a.max_size(); }
+
+      template<typename _Alloc2>
+ static size_type
+ _S_max_size(_Alloc2&, ...)
+ {
+
+
+   return __gnu_cxx::__numeric_traits<size_type>::__max
+     / sizeof(value_type);
+ }
+
+      template<typename _Alloc2>
+ static auto
+ _S_select(_Alloc2& __a, int)
+ -> decltype(__a.select_on_container_copy_construction())
+ { return __a.select_on_container_copy_construction(); }
+
+      template<typename _Alloc2>
+ static _Alloc2
+ _S_select(_Alloc2& __a, ...)
+ { return __a; }
+
+    public:
+# 279 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/alloc_traits.h" 3
+      static pointer
+      allocate(_Alloc& __a, size_type __n)
+      { return __a.allocate(__n); }
+# 294 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/alloc_traits.h" 3
+      static pointer
+      allocate(_Alloc& __a, size_type __n, const_void_pointer __hint)
+      { return _S_allocate(__a, __n, __hint, 0); }
+# 306 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/alloc_traits.h" 3
+      static void
+      deallocate(_Alloc& __a, pointer __p, size_type __n)
+      { __a.deallocate(__p, __n); }
+# 321 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/alloc_traits.h" 3
+      template<typename _Tp, typename... _Args>
+ static auto construct(_Alloc& __a, _Tp* __p, _Args&&... __args)
+ -> decltype(_S_construct(__a, __p, std::forward<_Args>(__args)...))
+ { _S_construct(__a, __p, std::forward<_Args>(__args)...); }
+# 334 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/alloc_traits.h" 3
+      template <class _Tp>
+ static void destroy(_Alloc& __a, _Tp* __p)
+ { _S_destroy(__a, __p, 0); }
+# 346 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/alloc_traits.h" 3
+      static size_type max_size(const _Alloc& __a) noexcept
+      { return _S_max_size(__a, 0); }
+# 357 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/alloc_traits.h" 3
+      static _Alloc
+      select_on_container_copy_construction(const _Alloc& __rhs)
+      { return _S_select(__rhs, 0); }
+    };
+
+  template<typename _Alloc>
+    inline void
+    __do_alloc_on_copy(_Alloc& __one, const _Alloc& __two, true_type)
+    { __one = __two; }
+
+  template<typename _Alloc>
+    inline void
+    __do_alloc_on_copy(_Alloc&, const _Alloc&, false_type)
+    { }
+
+  template<typename _Alloc>
+    inline void __alloc_on_copy(_Alloc& __one, const _Alloc& __two)
+    {
+      typedef allocator_traits<_Alloc> __traits;
+      typedef typename __traits::propagate_on_container_copy_assignment __pocca;
+      __do_alloc_on_copy(__one, __two, __pocca());
+    }
+
+  template<typename _Alloc>
+    inline _Alloc __alloc_on_copy(const _Alloc& __a)
+    {
+      typedef allocator_traits<_Alloc> __traits;
+      return __traits::select_on_container_copy_construction(__a);
+    }
+
+  template<typename _Alloc>
+    inline void __do_alloc_on_move(_Alloc& __one, _Alloc& __two, true_type)
+    { __one = std::move(__two); }
+
+  template<typename _Alloc>
+    inline void __do_alloc_on_move(_Alloc&, _Alloc&, false_type)
+    { }
+
+  template<typename _Alloc>
+    inline void __alloc_on_move(_Alloc& __one, _Alloc& __two)
+    {
+      typedef allocator_traits<_Alloc> __traits;
+      typedef typename __traits::propagate_on_container_move_assignment __pocma;
+      __do_alloc_on_move(__one, __two, __pocma());
+    }
+
+  template<typename _Alloc>
+    inline void __do_alloc_on_swap(_Alloc& __one, _Alloc& __two, true_type)
+    {
+      using std::swap;
+      swap(__one, __two);
+    }
+
+  template<typename _Alloc>
+    inline void __do_alloc_on_swap(_Alloc&, _Alloc&, false_type)
+    { }
+
+  template<typename _Alloc>
+    inline void __alloc_on_swap(_Alloc& __one, _Alloc& __two)
+    {
+      typedef allocator_traits<_Alloc> __traits;
+      typedef typename __traits::propagate_on_container_swap __pocs;
+      __do_alloc_on_swap(__one, __two, __pocs());
+    }
+
+  template<typename _Alloc>
+    class __is_copy_insertable_impl
+    {
+      typedef allocator_traits<_Alloc> _Traits;
+
+      template<typename _Up, typename
+        = decltype(_Traits::construct(std::declval<_Alloc&>(),
+          std::declval<_Up*>(),
+          std::declval<const _Up&>()))>
+ static true_type
+ _M_select(int);
+
+      template<typename _Up>
+ static false_type
+ _M_select(...);
+
+    public:
+      typedef decltype(_M_select<typename _Alloc::value_type>(0)) type;
+    };
+
+
+  template<typename _Alloc>
+    struct __is_copy_insertable
+    : __is_copy_insertable_impl<_Alloc>::type
+    { };
+
+
+  template<typename _Tp>
+    struct __is_copy_insertable<allocator<_Tp>>
+    : is_copy_constructible<_Tp>
+    { };
+
+
+}
+# 37 "/aux/hubicka/trunk-install/include/c++/6.0.0/ext/alloc_traits.h" 2 3
+
+
+
+
+namespace __gnu_cxx __attribute__ ((__visibility__ ("default")))
+{
+
+
+
+
+
+
+template<typename _Alloc>
+  struct __alloc_traits
+
+  : std::allocator_traits<_Alloc>
+
+  {
+    typedef _Alloc allocator_type;
+
+    typedef std::allocator_traits<_Alloc> _Base_type;
+    typedef typename _Base_type::value_type value_type;
+    typedef typename _Base_type::pointer pointer;
+    typedef typename _Base_type::const_pointer const_pointer;
+    typedef typename _Base_type::size_type size_type;
+    typedef typename _Base_type::difference_type difference_type;
+
+    typedef value_type& reference;
+    typedef const value_type& const_reference;
+    using _Base_type::allocate;
+    using _Base_type::deallocate;
+    using _Base_type::construct;
+    using _Base_type::destroy;
+    using _Base_type::max_size;
+
+  private:
+    template<typename _Ptr>
+      using __is_custom_pointer
+ = std::__and_<std::is_same<pointer, _Ptr>,
+        std::__not_<std::is_pointer<_Ptr>>>;
+
+  public:
+
+    template<typename _Ptr, typename... _Args>
+      static typename std::enable_if<__is_custom_pointer<_Ptr>::value>::type
+      construct(_Alloc& __a, _Ptr __p, _Args&&... __args)
+      {
+ _Base_type::construct(__a, std::addressof(*__p),
+         std::forward<_Args>(__args)...);
+      }
+
+
+    template<typename _Ptr>
+      static typename std::enable_if<__is_custom_pointer<_Ptr>::value>::type
+      destroy(_Alloc& __a, _Ptr __p)
+      { _Base_type::destroy(__a, std::addressof(*__p)); }
+
+    static _Alloc _S_select_on_copy(const _Alloc& __a)
+    { return _Base_type::select_on_container_copy_construction(__a); }
+
+    static void _S_on_swap(_Alloc& __a, _Alloc& __b)
+    { std::__alloc_on_swap(__a, __b); }
+
+    static constexpr bool _S_propagate_on_copy_assign()
+    { return _Base_type::propagate_on_container_copy_assignment::value; }
+
+    static constexpr bool _S_propagate_on_move_assign()
+    { return _Base_type::propagate_on_container_move_assignment::value; }
+
+    static constexpr bool _S_propagate_on_swap()
+    { return _Base_type::propagate_on_container_swap::value; }
+
+    static constexpr bool _S_always_equal()
+    { return _Base_type::is_always_equal::value; }
+
+    static constexpr bool _S_nothrow_move()
+    { return _S_propagate_on_move_assign() || _S_always_equal(); }
+
+    template<typename _Tp>
+      struct rebind
+      { typedef typename _Base_type::template rebind_alloc<_Tp> other; };
+# 158 "/aux/hubicka/trunk-install/include/c++/6.0.0/ext/alloc_traits.h" 3
+  };
+
+
+}
+# 41 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.h" 2 3
+
+
+
+
+
+
+namespace std __attribute__ ((__visibility__ ("default")))
+{
+
+
+
+namespace __cxx11 {
+# 71 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.h" 3
+  template<typename _CharT, typename _Traits, typename _Alloc>
+    class basic_string
+    {
+      typedef typename __gnu_cxx::__alloc_traits<_Alloc>::template
+ rebind<_CharT>::other _Char_alloc_type;
+      typedef __gnu_cxx::__alloc_traits<_Char_alloc_type> _Alloc_traits;
+
+
+    public:
+      typedef _Traits traits_type;
+      typedef typename _Traits::char_type value_type;
+      typedef _Char_alloc_type allocator_type;
+      typedef typename _Alloc_traits::size_type size_type;
+      typedef typename _Alloc_traits::difference_type difference_type;
+      typedef typename _Alloc_traits::reference reference;
+      typedef typename _Alloc_traits::const_reference const_reference;
+      typedef typename _Alloc_traits::pointer pointer;
+      typedef typename _Alloc_traits::const_pointer const_pointer;
+      typedef __gnu_cxx::__normal_iterator<pointer, basic_string> iterator;
+      typedef __gnu_cxx::__normal_iterator<const_pointer, basic_string>
+       const_iterator;
+      typedef std::reverse_iterator<const_iterator> const_reverse_iterator;
+      typedef std::reverse_iterator<iterator> reverse_iterator;
+
+
+      static const size_type npos = static_cast<size_type>(-1);
+
+    private:
+
+
+
+
+      typedef const_iterator __const_iterator;
+
+
+
+      struct _Alloc_hider : allocator_type
+      {
+ _Alloc_hider(pointer __dat, const _Alloc& __a = _Alloc())
+ : allocator_type(__a), _M_p(__dat) { }
+
+ pointer _M_p;
+      };
+
+      _Alloc_hider _M_dataplus;
+      size_type _M_string_length;
+
+      enum { _S_local_capacity = 15 / sizeof(_CharT) };
+
+      union
+      {
+ _CharT _M_local_buf[_S_local_capacity + 1];
+ size_type _M_allocated_capacity;
+      };
+
+      void
+      _M_data(pointer __p)
+      { _M_dataplus._M_p = __p; }
+
+      void
+      _M_length(size_type __length)
+      { _M_string_length = __length; }
+
+      pointer
+      _M_data() const
+      { return _M_dataplus._M_p; }
+
+      pointer
+      _M_local_data()
+      {
+
+ return std::pointer_traits<pointer>::pointer_to(*_M_local_buf);
+
+
+
+      }
+
+      const_pointer
+      _M_local_data() const
+      {
+
+ return std::pointer_traits<const_pointer>::pointer_to(*_M_local_buf);
+
+
+
+      }
+
+      void
+      _M_capacity(size_type __capacity)
+      { _M_allocated_capacity = __capacity; }
+
+      void
+      _M_set_length(size_type __n)
+      {
+ _M_length(__n);
+ traits_type::assign(_M_data()[__n], _CharT());
+      }
+
+      bool
+      _M_is_local() const
+      { return _M_data() == _M_local_data(); }
+
+
+      pointer
+      _M_create(size_type&, size_type);
+
+      void
+      _M_dispose()
+      {
+ if (!_M_is_local())
+   _M_destroy(_M_allocated_capacity);
+      }
+
+      void
+      _M_destroy(size_type __size) throw()
+      { _Alloc_traits::deallocate(_M_get_allocator(), _M_data(), __size + 1); }
+
+
+
+      template<typename _InIterator>
+        void
+        _M_construct_aux(_InIterator __beg, _InIterator __end,
+    std::__false_type)
+ {
+          typedef typename iterator_traits<_InIterator>::iterator_category _Tag;
+          _M_construct(__beg, __end, _Tag());
+ }
+
+
+
+      template<typename _Integer>
+        void
+        _M_construct_aux(_Integer __beg, _Integer __end, std::__true_type)
+ { _M_construct_aux_2(static_cast<size_type>(__beg), __end); }
+
+      void
+      _M_construct_aux_2(size_type __req, _CharT __c)
+      { _M_construct(__req, __c); }
+
+      template<typename _InIterator>
+        void
+        _M_construct(_InIterator __beg, _InIterator __end)
+ {
+   typedef typename std::__is_integer<_InIterator>::__type _Integral;
+   _M_construct_aux(__beg, __end, _Integral());
+        }
+
+
+      template<typename _InIterator>
+        void
+        _M_construct(_InIterator __beg, _InIterator __end,
+       std::input_iterator_tag);
+
+
+
+      template<typename _FwdIterator>
+        void
+        _M_construct(_FwdIterator __beg, _FwdIterator __end,
+       std::forward_iterator_tag);
+
+      void
+      _M_construct(size_type __req, _CharT __c);
+
+      allocator_type&
+      _M_get_allocator()
+      { return _M_dataplus; }
+
+      const allocator_type&
+      _M_get_allocator() const
+      { return _M_dataplus; }
+
+    private:
+# 258 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.h" 3
+      size_type
+      _M_check(size_type __pos, const char* __s) const
+      {
+ if (__pos > this->size())
+   __throw_out_of_range_fmt(("%s: __pos (which is %zu) > " "this->size() (which is %zu)")
+                                         ,
+       __s, __pos, this->size());
+ return __pos;
+      }
+
+      void
+      _M_check_length(size_type __n1, size_type __n2, const char* __s) const
+      {
+ if (this->max_size() - (this->size() - __n1) < __n2)
+   __throw_length_error((__s));
+      }
+
+
+
+      size_type
+      _M_limit(size_type __pos, size_type __off) const noexcept
+      {
+ const bool __testoff = __off < this->size() - __pos;
+ return __testoff ? __off : this->size() - __pos;
+      }
+
+
+      bool
+      _M_disjunct(const _CharT* __s) const noexcept
+      {
+ return (less<const _CharT*>()(__s, _M_data())
+  || less<const _CharT*>()(_M_data() + this->size(), __s));
+      }
+
+
+
+      static void
+      _S_copy(_CharT* __d, const _CharT* __s, size_type __n)
+      {
+ if (__n == 1)
+   traits_type::assign(*__d, *__s);
+ else
+   traits_type::copy(__d, __s, __n);
+      }
+
+      static void
+      _S_move(_CharT* __d, const _CharT* __s, size_type __n)
+      {
+ if (__n == 1)
+   traits_type::assign(*__d, *__s);
+ else
+   traits_type::move(__d, __s, __n);
+      }
+
+      static void
+      _S_assign(_CharT* __d, size_type __n, _CharT __c)
+      {
+ if (__n == 1)
+   traits_type::assign(*__d, __c);
+ else
+   traits_type::assign(__d, __n, __c);
+      }
+
+
+
+      template<class _Iterator>
+        static void
+        _S_copy_chars(_CharT* __p, _Iterator __k1, _Iterator __k2)
+ noexcept
+        {
+   for (; __k1 != __k2; ++__k1, (void)++__p)
+     traits_type::assign(*__p, *__k1);
+ }
+
+      static void
+      _S_copy_chars(_CharT* __p, iterator __k1, iterator __k2) noexcept
+      { _S_copy_chars(__p, __k1.base(), __k2.base()); }
+
+      static void
+      _S_copy_chars(_CharT* __p, const_iterator __k1, const_iterator __k2)
+      noexcept
+      { _S_copy_chars(__p, __k1.base(), __k2.base()); }
+
+      static void
+      _S_copy_chars(_CharT* __p, _CharT* __k1, _CharT* __k2) noexcept
+      { _S_copy(__p, __k1, __k2 - __k1); }
+
+      static void
+      _S_copy_chars(_CharT* __p, const _CharT* __k1, const _CharT* __k2)
+      noexcept
+      { _S_copy(__p, __k1, __k2 - __k1); }
+
+      static int
+      _S_compare(size_type __n1, size_type __n2) noexcept
+      {
+ const difference_type __d = difference_type(__n1 - __n2);
+
+ if (__d > __gnu_cxx::__numeric_traits<int>::__max)
+   return __gnu_cxx::__numeric_traits<int>::__max;
+ else if (__d < __gnu_cxx::__numeric_traits<int>::__min)
+   return __gnu_cxx::__numeric_traits<int>::__min;
+ else
+   return int(__d);
+      }
+
+      void
+      _M_assign(const basic_string& __rcs);
+
+      void
+      _M_mutate(size_type __pos, size_type __len1, const _CharT* __s,
+  size_type __len2);
+
+      void
+      _M_erase(size_type __pos, size_type __n);
+
+    public:
+
+
+
+
+
+
+
+      basic_string()
+      noexcept(is_nothrow_default_constructible<_Alloc>::value)
+      : _M_dataplus(_M_local_data())
+      { _M_set_length(0); }
+
+
+
+
+      explicit
+      basic_string(const _Alloc& __a) noexcept
+      : _M_dataplus(_M_local_data(), __a)
+      { _M_set_length(0); }
+
+
+
+
+
+      basic_string(const basic_string& __str)
+      : _M_dataplus(_M_local_data(),
+      _Alloc_traits::_S_select_on_copy(__str._M_get_allocator()))
+      { _M_construct(__str._M_data(), __str._M_data() + __str.length()); }
+# 411 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.h" 3
+      basic_string(const basic_string& __str, size_type __pos,
+     size_type __n = npos)
+      : _M_dataplus(_M_local_data())
+      {
+ const _CharT* __start = __str._M_data()
+   + __str._M_check(__pos, "basic_string::basic_string");
+ _M_construct(__start, __start + __str._M_limit(__pos, __n));
+      }
+# 427 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.h" 3
+      basic_string(const basic_string& __str, size_type __pos,
+     size_type __n, const _Alloc& __a)
+      : _M_dataplus(_M_local_data(), __a)
+      {
+ const _CharT* __start
+   = __str._M_data() + __str._M_check(__pos, "string::string");
+ _M_construct(__start, __start + __str._M_limit(__pos, __n));
+      }
+# 445 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.h" 3
+      basic_string(const _CharT* __s, size_type __n,
+     const _Alloc& __a = _Alloc())
+      : _M_dataplus(_M_local_data(), __a)
+      { _M_construct(__s, __s + __n); }
+
+
+
+
+
+
+      basic_string(const _CharT* __s, const _Alloc& __a = _Alloc())
+      : _M_dataplus(_M_local_data(), __a)
+      { _M_construct(__s, __s ? __s + traits_type::length(__s) : __s+npos); }
+
+
+
+
+
+
+
+      basic_string(size_type __n, _CharT __c, const _Alloc& __a = _Alloc())
+      : _M_dataplus(_M_local_data(), __a)
+      { _M_construct(__n, __c); }
+# 477 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.h" 3
+      basic_string(basic_string&& __str) noexcept
+      : _M_dataplus(_M_local_data(), std::move(__str._M_get_allocator()))
+      {
+ if (__str._M_is_local())
+   {
+     traits_type::copy(_M_local_buf, __str._M_local_buf,
+         _S_local_capacity + 1);
+   }
+ else
+   {
+     _M_data(__str._M_data());
+     _M_capacity(__str._M_allocated_capacity);
+   }
+
+
+
+
+ _M_length(__str.length());
+ __str._M_data(__str._M_local_data());
+ __str._M_set_length(0);
+      }
+
+
+
+
+
+
+      basic_string(initializer_list<_CharT> __l, const _Alloc& __a = _Alloc())
+      : _M_dataplus(_M_local_data(), __a)
+      { _M_construct(__l.begin(), __l.end()); }
+
+      basic_string(const basic_string& __str, const _Alloc& __a)
+      : _M_dataplus(_M_local_data(), __a)
+      { _M_construct(__str.begin(), __str.end()); }
+
+      basic_string(basic_string&& __str, const _Alloc& __a)
+      noexcept(_Alloc_traits::_S_always_equal())
+      : _M_dataplus(_M_local_data(), __a)
+      {
+ if (__str._M_is_local())
+   {
+     traits_type::copy(_M_local_buf, __str._M_local_buf,
+         _S_local_capacity + 1);
+     _M_length(__str.length());
+     __str._M_set_length(0);
+   }
+ else if (_Alloc_traits::_S_always_equal()
+     || __str.get_allocator() == __a)
+   {
+     _M_data(__str._M_data());
+     _M_length(__str.length());
+     _M_capacity(__str._M_allocated_capacity);
+     __str._M_data(__str._M_local_buf);
+     __str._M_set_length(0);
+   }
+ else
+   _M_construct(__str.begin(), __str.end());
+      }
+# 545 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.h" 3
+      template<typename _InputIterator,
+        typename = std::_RequireInputIter<_InputIterator>>
+
+
+
+        basic_string(_InputIterator __beg, _InputIterator __end,
+       const _Alloc& __a = _Alloc())
+ : _M_dataplus(_M_local_data(), __a)
+ { _M_construct(__beg, __end); }
+
+
+
+
+      ~basic_string()
+      { _M_dispose(); }
+
+
+
+
+
+      basic_string&
+      operator=(const basic_string& __str)
+      {
+
+ if (_Alloc_traits::_S_propagate_on_copy_assign())
+   {
+     if (!_Alloc_traits::_S_always_equal() && !_M_is_local()
+  && _M_get_allocator() != __str._M_get_allocator())
+       {
+
+  _M_destroy(_M_allocated_capacity);
+  _M_data(_M_local_data());
+  _M_set_length(0);
+       }
+     std::__alloc_on_copy(_M_get_allocator(), __str._M_get_allocator());
+   }
+
+ return this->assign(__str);
+      }
+
+
+
+
+
+      basic_string&
+      operator=(const _CharT* __s)
+      { return this->assign(__s); }
+# 600 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.h" 3
+      basic_string&
+      operator=(_CharT __c)
+      {
+ this->assign(1, __c);
+ return *this;
+      }
+# 618 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.h" 3
+      basic_string&
+      operator=(basic_string&& __str)
+      noexcept(_Alloc_traits::_S_nothrow_move())
+      {
+ if (!_M_is_local() && _Alloc_traits::_S_propagate_on_move_assign()
+     && !_Alloc_traits::_S_always_equal()
+     && _M_get_allocator() != __str._M_get_allocator())
+   {
+
+     _M_destroy(_M_allocated_capacity);
+     _M_data(_M_local_data());
+     _M_set_length(0);
+   }
+
+ std::__alloc_on_move(_M_get_allocator(), __str._M_get_allocator());
+
+ if (!__str._M_is_local()
+     && (_Alloc_traits::_S_propagate_on_move_assign()
+       || _Alloc_traits::_S_always_equal()))
+   {
+     pointer __data = nullptr;
+     size_type __capacity;
+     if (!_M_is_local())
+       {
+  if (_Alloc_traits::_S_always_equal())
+    {
+      __data = _M_data();
+      __capacity = _M_allocated_capacity;
+    }
+  else
+    _M_destroy(_M_allocated_capacity);
+       }
+
+     _M_data(__str._M_data());
+     _M_length(__str.length());
+     _M_capacity(__str._M_allocated_capacity);
+     if (__data)
+       {
+  __str._M_data(__data);
+  __str._M_capacity(__capacity);
+       }
+     else
+       __str._M_data(__str._M_local_buf);
+   }
+ else
+     assign(__str);
+ __str.clear();
+ return *this;
+      }
+
+
+
+
+
+      basic_string&
+      operator=(initializer_list<_CharT> __l)
+      {
+ this->assign(__l.begin(), __l.size());
+ return *this;
+      }
+
+
+
+
+
+
+
+      iterator
+      begin() noexcept
+      { return iterator(_M_data()); }
+
+
+
+
+
+      const_iterator
+      begin() const noexcept
+      { return const_iterator(_M_data()); }
+
+
+
+
+
+      iterator
+      end() noexcept
+      { return iterator(_M_data() + this->size()); }
+
+
+
+
+
+      const_iterator
+      end() const noexcept
+      { return const_iterator(_M_data() + this->size()); }
+
+
+
+
+
+
+      reverse_iterator
+      rbegin() noexcept
+      { return reverse_iterator(this->end()); }
+
+
+
+
+
+
+      const_reverse_iterator
+      rbegin() const noexcept
+      { return const_reverse_iterator(this->end()); }
+
+
+
+
+
+
+      reverse_iterator
+      rend() noexcept
+      { return reverse_iterator(this->begin()); }
+
+
+
+
+
+
+      const_reverse_iterator
+      rend() const noexcept
+      { return const_reverse_iterator(this->begin()); }
+
+
+
+
+
+
+      const_iterator
+      cbegin() const noexcept
+      { return const_iterator(this->_M_data()); }
+
+
+
+
+
+      const_iterator
+      cend() const noexcept
+      { return const_iterator(this->_M_data() + this->size()); }
+
+
+
+
+
+
+      const_reverse_iterator
+      crbegin() const noexcept
+      { return const_reverse_iterator(this->end()); }
+
+
+
+
+
+
+      const_reverse_iterator
+      crend() const noexcept
+      { return const_reverse_iterator(this->begin()); }
+
+
+    public:
+
+
+
+      size_type
+      size() const noexcept
+      { return _M_string_length; }
+
+
+
+      size_type
+      length() const noexcept
+      { return _M_string_length; }
+
+
+      size_type
+      max_size() const noexcept
+      { return (_Alloc_traits::max_size(_M_get_allocator()) - 1) / 2; }
+# 814 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.h" 3
+      void
+      resize(size_type __n, _CharT __c);
+# 827 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.h" 3
+      void
+      resize(size_type __n)
+      { this->resize(__n, _CharT()); }
+
+
+
+      void
+      shrink_to_fit() noexcept
+      {
+
+ if (capacity() > size())
+   {
+     try
+       { reserve(0); }
+     catch(...)
+       { }
+   }
+
+      }
+
+
+
+
+
+
+      size_type
+      capacity() const noexcept
+      {
+ return _M_is_local() ? size_type(_S_local_capacity)
+                      : _M_allocated_capacity;
+      }
+# 876 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.h" 3
+      void
+      reserve(size_type __res_arg = 0);
+
+
+
+
+      void
+      clear() noexcept
+      { _M_set_length(0); }
+
+
+
+
+
+      bool
+      empty() const noexcept
+      { return this->size() == 0; }
+# 905 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.h" 3
+      const_reference
+      operator[] (size_type __pos) const noexcept
+      {
+ ;
+ return _M_data()[__pos];
+      }
+# 922 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.h" 3
+      reference
+      operator[](size_type __pos)
+      {
+
+
+ ;
+
+ ;
+ return _M_data()[__pos];
+      }
+# 943 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.h" 3
+      const_reference
+      at(size_type __n) const
+      {
+ if (__n >= this->size())
+   __throw_out_of_range_fmt(("basic_string::at: __n " "(which is %zu) >= this->size() " "(which is %zu)")
+
+                            ,
+       __n, this->size());
+ return _M_data()[__n];
+      }
+# 964 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.h" 3
+      reference
+      at(size_type __n)
+      {
+ if (__n >= size())
+   __throw_out_of_range_fmt(("basic_string::at: __n " "(which is %zu) >= this->size() " "(which is %zu)")
+
+                            ,
+       __n, this->size());
+ return _M_data()[__n];
+      }
+
+
+
+
+
+
+      reference
+      front() noexcept
+      {
+ ;
+ return operator[](0);
+      }
+
+
+
+
+
+      const_reference
+      front() const noexcept
+      {
+ ;
+ return operator[](0);
+      }
+
+
+
+
+
+      reference
+      back() noexcept
+      {
+ ;
+ return operator[](this->size() - 1);
+      }
+
+
+
+
+
+      const_reference
+      back() const noexcept
+      {
+ ;
+ return operator[](this->size() - 1);
+      }
+# 1027 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.h" 3
+      basic_string&
+      operator+=(const basic_string& __str)
+      { return this->append(__str); }
+
+
+
+
+
+
+      basic_string&
+      operator+=(const _CharT* __s)
+      { return this->append(__s); }
+
+
+
+
+
+
+      basic_string&
+      operator+=(_CharT __c)
+      {
+ this->push_back(__c);
+ return *this;
+      }
+
+
+
+
+
+
+
+      basic_string&
+      operator+=(initializer_list<_CharT> __l)
+      { return this->append(__l.begin(), __l.size()); }
+
+
+
+
+
+
+
+      basic_string&
+      append(const basic_string& __str)
+      { return _M_append(__str._M_data(), __str.size()); }
+# 1085 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.h" 3
+      basic_string&
+      append(const basic_string& __str, size_type __pos, size_type __n)
+      { return _M_append(__str._M_data()
+    + __str._M_check(__pos, "basic_string::append"),
+    __str._M_limit(__pos, __n)); }
+
+
+
+
+
+
+
+      basic_string&
+      append(const _CharT* __s, size_type __n)
+      {
+ ;
+ _M_check_length(size_type(0), __n, "basic_string::append");
+ return _M_append(__s, __n);
+      }
+
+
+
+
+
+
+      basic_string&
+      append(const _CharT* __s)
+      {
+ ;
+ const size_type __n = traits_type::length(__s);
+ _M_check_length(size_type(0), __n, "basic_string::append");
+ return _M_append(__s, __n);
+      }
+# 1127 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.h" 3
+      basic_string&
+      append(size_type __n, _CharT __c)
+      { return _M_replace_aux(this->size(), size_type(0), __n, __c); }
+
+
+
+
+
+
+
+      basic_string&
+      append(initializer_list<_CharT> __l)
+      { return this->append(__l.begin(), __l.size()); }
+# 1151 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.h" 3
+      template<class _InputIterator,
+        typename = std::_RequireInputIter<_InputIterator>>
+
+
+
+        basic_string&
+        append(_InputIterator __first, _InputIterator __last)
+        { return this->replace(end(), end(), __first, __last); }
+
+
+
+
+
+      void
+      push_back(_CharT __c)
+      {
+ const size_type __size = this->size();
+ if (__size + 1 > this->capacity())
+   this->_M_mutate(__size, size_type(0), 0, size_type(1));
+ traits_type::assign(this->_M_data()[__size], __c);
+ this->_M_set_length(__size + 1);
+      }
+
+
+
+
+
+
+      basic_string&
+      assign(const basic_string& __str)
+      {
+ this->_M_assign(__str);
+ return *this;
+      }
+# 1195 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.h" 3
+      basic_string&
+      assign(basic_string&& __str)
+      noexcept(_Alloc_traits::_S_nothrow_move())
+      {
+
+
+ return *this = std::move(__str);
+      }
+# 1218 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.h" 3
+      basic_string&
+      assign(const basic_string& __str, size_type __pos, size_type __n)
+      { return _M_replace(size_type(0), this->size(), __str._M_data()
+     + __str._M_check(__pos, "basic_string::assign"),
+     __str._M_limit(__pos, __n)); }
+# 1234 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.h" 3
+      basic_string&
+      assign(const _CharT* __s, size_type __n)
+      {
+ ;
+ return _M_replace(size_type(0), this->size(), __s, __n);
+      }
+# 1250 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.h" 3
+      basic_string&
+      assign(const _CharT* __s)
+      {
+ ;
+ return _M_replace(size_type(0), this->size(), __s,
+     traits_type::length(__s));
+      }
+# 1267 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.h" 3
+      basic_string&
+      assign(size_type __n, _CharT __c)
+      { return _M_replace_aux(size_type(0), this->size(), __n, __c); }
+# 1280 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.h" 3
+      template<class _InputIterator,
+        typename = std::_RequireInputIter<_InputIterator>>
+
+
+
+        basic_string&
+        assign(_InputIterator __first, _InputIterator __last)
+        { return this->replace(begin(), end(), __first, __last); }
+
+
+
+
+
+
+
+      basic_string&
+      assign(initializer_list<_CharT> __l)
+      { return this->assign(__l.begin(), __l.size()); }
+# 1316 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.h" 3
+      iterator
+      insert(const_iterator __p, size_type __n, _CharT __c)
+      {
+ ;
+ const size_type __pos = __p - begin();
+ this->replace(__p, __p, __n, __c);
+ return iterator(this->_M_data() + __pos);
+      }
+# 1358 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.h" 3
+      template<class _InputIterator,
+        typename = std::_RequireInputIter<_InputIterator>>
+ iterator
+        insert(const_iterator __p, _InputIterator __beg, _InputIterator __end)
+        {
+   ;
+   const size_type __pos = __p - begin();
+   this->replace(__p, __p, __beg, __end);
+   return iterator(this->_M_data() + __pos);
+ }
+# 1394 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.h" 3
+      void
+      insert(iterator __p, initializer_list<_CharT> __l)
+      {
+ ;
+ this->insert(__p - begin(), __l.begin(), __l.size());
+      }
+# 1414 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.h" 3
+      basic_string&
+      insert(size_type __pos1, const basic_string& __str)
+      { return this->replace(__pos1, size_type(0),
+        __str._M_data(), __str.size()); }
+# 1437 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.h" 3
+      basic_string&
+      insert(size_type __pos1, const basic_string& __str,
+      size_type __pos2, size_type __n)
+      { return this->replace(__pos1, size_type(0), __str._M_data()
+        + __str._M_check(__pos2, "basic_string::insert"),
+        __str._M_limit(__pos2, __n)); }
+# 1460 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.h" 3
+      basic_string&
+      insert(size_type __pos, const _CharT* __s, size_type __n)
+      { return this->replace(__pos, size_type(0), __s, __n); }
+# 1479 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.h" 3
+      basic_string&
+      insert(size_type __pos, const _CharT* __s)
+      {
+ ;
+ return this->replace(__pos, size_type(0), __s,
+        traits_type::length(__s));
+      }
+# 1503 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.h" 3
+      basic_string&
+      insert(size_type __pos, size_type __n, _CharT __c)
+      { return _M_replace_aux(_M_check(__pos, "basic_string::insert"),
+         size_type(0), __n, __c); }
+# 1521 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.h" 3
+      iterator
+      insert(__const_iterator __p, _CharT __c)
+      {
+ ;
+ const size_type __pos = __p - begin();
+ _M_replace_aux(__pos, size_type(0), size_type(1), __c);
+ return iterator(_M_data() + __pos);
+      }
+# 1545 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.h" 3
+      basic_string&
+      erase(size_type __pos = 0, size_type __n = npos)
+      {
+ this->_M_erase(_M_check(__pos, "basic_string::erase"),
+         _M_limit(__pos, __n));
+ return *this;
+      }
+# 1561 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.h" 3
+      iterator
+      erase(__const_iterator __position)
+      {
+
+                           ;
+ const size_type __pos = __position - begin();
+ this->_M_erase(__pos, size_type(1));
+ return iterator(_M_data() + __pos);
+      }
+# 1580 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.h" 3
+      iterator
+      erase(__const_iterator __first, __const_iterator __last)
+      {
+
+                        ;
+        const size_type __pos = __first - begin();
+ this->_M_erase(__pos, __last - __first);
+ return iterator(this->_M_data() + __pos);
+      }
+
+
+
+
+
+
+
+      void
+      pop_back() noexcept
+      {
+ ;
+ _M_erase(size() - 1, 1);
+      }
+# 1621 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.h" 3
+      basic_string&
+      replace(size_type __pos, size_type __n, const basic_string& __str)
+      { return this->replace(__pos, __n, __str._M_data(), __str.size()); }
+# 1643 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.h" 3
+      basic_string&
+      replace(size_type __pos1, size_type __n1, const basic_string& __str,
+       size_type __pos2, size_type __n2)
+      { return this->replace(__pos1, __n1, __str._M_data()
+        + __str._M_check(__pos2, "basic_string::replace"),
+        __str._M_limit(__pos2, __n2)); }
+# 1668 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.h" 3
+      basic_string&
+      replace(size_type __pos, size_type __n1, const _CharT* __s,
+       size_type __n2)
+      {
+ ;
+ return _M_replace(_M_check(__pos, "basic_string::replace"),
+     _M_limit(__pos, __n1), __s, __n2);
+      }
+# 1693 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.h" 3
+      basic_string&
+      replace(size_type __pos, size_type __n1, const _CharT* __s)
+      {
+ ;
+ return this->replace(__pos, __n1, __s, traits_type::length(__s));
+      }
+# 1717 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.h" 3
+      basic_string&
+      replace(size_type __pos, size_type __n1, size_type __n2, _CharT __c)
+      { return _M_replace_aux(_M_check(__pos, "basic_string::replace"),
+         _M_limit(__pos, __n1), __n2, __c); }
+# 1735 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.h" 3
+      basic_string&
+      replace(__const_iterator __i1, __const_iterator __i2,
+       const basic_string& __str)
+      { return this->replace(__i1, __i2, __str._M_data(), __str.size()); }
+# 1755 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.h" 3
+      basic_string&
+      replace(__const_iterator __i1, __const_iterator __i2,
+       const _CharT* __s, size_type __n)
+      {
+
+                      ;
+ return this->replace(__i1 - begin(), __i2 - __i1, __s, __n);
+      }
+# 1777 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.h" 3
+      basic_string&
+      replace(__const_iterator __i1, __const_iterator __i2, const _CharT* __s)
+      {
+ ;
+ return this->replace(__i1, __i2, __s, traits_type::length(__s));
+      }
+# 1798 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.h" 3
+      basic_string&
+      replace(__const_iterator __i1, __const_iterator __i2, size_type __n,
+       _CharT __c)
+      {
+
+                      ;
+ return _M_replace_aux(__i1 - begin(), __i2 - __i1, __n, __c);
+      }
+# 1823 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.h" 3
+      template<class _InputIterator,
+        typename = std::_RequireInputIter<_InputIterator>>
+        basic_string&
+        replace(const_iterator __i1, const_iterator __i2,
+  _InputIterator __k1, _InputIterator __k2)
+        {
+  
+                        ;
+   ;
+   return this->_M_replace_dispatch(__i1, __i2, __k1, __k2,
+        std::__false_type());
+ }
+# 1855 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.h" 3
+      basic_string&
+      replace(__const_iterator __i1, __const_iterator __i2,
+       _CharT* __k1, _CharT* __k2)
+      {
+
+                      ;
+ ;
+ return this->replace(__i1 - begin(), __i2 - __i1,
+        __k1, __k2 - __k1);
+      }
+
+      basic_string&
+      replace(__const_iterator __i1, __const_iterator __i2,
+       const _CharT* __k1, const _CharT* __k2)
+      {
+
+                      ;
+ ;
+ return this->replace(__i1 - begin(), __i2 - __i1,
+        __k1, __k2 - __k1);
+      }
+
+      basic_string&
+      replace(__const_iterator __i1, __const_iterator __i2,
+       iterator __k1, iterator __k2)
+      {
+
+                      ;
+ ;
+ return this->replace(__i1 - begin(), __i2 - __i1,
+        __k1.base(), __k2 - __k1);
+      }
+
+      basic_string&
+      replace(__const_iterator __i1, __const_iterator __i2,
+       const_iterator __k1, const_iterator __k2)
+      {
+
+                      ;
+ ;
+ return this->replace(__i1 - begin(), __i2 - __i1,
+        __k1.base(), __k2 - __k1);
+      }
+# 1914 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.h" 3
+      basic_string& replace(const_iterator __i1, const_iterator __i2,
+       initializer_list<_CharT> __l)
+      { return this->replace(__i1, __i2, __l.begin(), __l.end()); }
+
+
+    private:
+      template<class _Integer>
+ basic_string&
+ _M_replace_dispatch(const_iterator __i1, const_iterator __i2,
+       _Integer __n, _Integer __val, __true_type)
+        { return _M_replace_aux(__i1 - begin(), __i2 - __i1, __n, __val); }
+
+      template<class _InputIterator>
+ basic_string&
+ _M_replace_dispatch(const_iterator __i1, const_iterator __i2,
+       _InputIterator __k1, _InputIterator __k2,
+       __false_type);
+
+      basic_string&
+      _M_replace_aux(size_type __pos1, size_type __n1, size_type __n2,
+       _CharT __c);
+
+      basic_string&
+      _M_replace(size_type __pos, size_type __len1, const _CharT* __s,
+   const size_type __len2);
+
+      basic_string&
+      _M_append(const _CharT* __s, size_type __n);
+
+    public:
+# 1957 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.h" 3
+      size_type
+      copy(_CharT* __s, size_type __n, size_type __pos = 0) const;
+# 1967 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.h" 3
+      void
+      swap(basic_string& __s) noexcept;
+# 1977 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.h" 3
+      const _CharT*
+      c_str() const noexcept
+      { return _M_data(); }
+
+
+
+
+
+
+
+      const _CharT*
+      data() const noexcept
+      { return _M_data(); }
+
+
+
+
+      allocator_type
+      get_allocator() const noexcept
+      { return _M_get_allocator(); }
+# 2010 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.h" 3
+      size_type
+      find(const _CharT* __s, size_type __pos, size_type __n) const;
+# 2023 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.h" 3
+      size_type
+      find(const basic_string& __str, size_type __pos = 0) const
+ noexcept
+      { return this->find(__str.data(), __pos, __str.size()); }
+# 2038 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.h" 3
+      size_type
+      find(const _CharT* __s, size_type __pos = 0) const
+      {
+ ;
+ return this->find(__s, __pos, traits_type::length(__s));
+      }
+# 2055 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.h" 3
+      size_type
+      find(_CharT __c, size_type __pos = 0) const noexcept;
+# 2068 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.h" 3
+      size_type
+      rfind(const basic_string& __str, size_type __pos = npos) const
+ noexcept
+      { return this->rfind(__str.data(), __pos, __str.size()); }
+# 2085 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.h" 3
+      size_type
+      rfind(const _CharT* __s, size_type __pos, size_type __n) const;
+# 2098 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.h" 3
+      size_type
+      rfind(const _CharT* __s, size_type __pos = npos) const
+      {
+ ;
+ return this->rfind(__s, __pos, traits_type::length(__s));
+      }
+# 2115 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.h" 3
+      size_type
+      rfind(_CharT __c, size_type __pos = npos) const noexcept;
+# 2129 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.h" 3
+      size_type
+      find_first_of(const basic_string& __str, size_type __pos = 0) const
+ noexcept
+      { return this->find_first_of(__str.data(), __pos, __str.size()); }
+# 2146 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.h" 3
+      size_type
+      find_first_of(const _CharT* __s, size_type __pos, size_type __n) const;
+# 2159 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.h" 3
+      size_type
+      find_first_of(const _CharT* __s, size_type __pos = 0) const
+      {
+ ;
+ return this->find_first_of(__s, __pos, traits_type::length(__s));
+      }
+# 2178 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.h" 3
+      size_type
+      find_first_of(_CharT __c, size_type __pos = 0) const noexcept
+      { return this->find(__c, __pos); }
+# 2193 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.h" 3
+      size_type
+      find_last_of(const basic_string& __str, size_type __pos = npos) const
+ noexcept
+      { return this->find_last_of(__str.data(), __pos, __str.size()); }
+# 2210 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.h" 3
+      size_type
+      find_last_of(const _CharT* __s, size_type __pos, size_type __n) const;
+# 2223 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.h" 3
+      size_type
+      find_last_of(const _CharT* __s, size_type __pos = npos) const
+      {
+ ;
+ return this->find_last_of(__s, __pos, traits_type::length(__s));
+      }
+# 2242 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.h" 3
+      size_type
+      find_last_of(_CharT __c, size_type __pos = npos) const noexcept
+      { return this->rfind(__c, __pos); }
+# 2256 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.h" 3
+      size_type
+      find_first_not_of(const basic_string& __str, size_type __pos = 0) const
+ noexcept
+      { return this->find_first_not_of(__str.data(), __pos, __str.size()); }
+# 2273 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.h" 3
+      size_type
+      find_first_not_of(const _CharT* __s, size_type __pos,
+   size_type __n) const;
+# 2287 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.h" 3
+      size_type
+      find_first_not_of(const _CharT* __s, size_type __pos = 0) const
+      {
+ ;
+ return this->find_first_not_of(__s, __pos, traits_type::length(__s));
+      }
+# 2304 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.h" 3
+      size_type
+      find_first_not_of(_CharT __c, size_type __pos = 0) const
+ noexcept;
+# 2319 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.h" 3
+      size_type
+      find_last_not_of(const basic_string& __str, size_type __pos = npos) const
+ noexcept
+      { return this->find_last_not_of(__str.data(), __pos, __str.size()); }
+# 2336 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.h" 3
+      size_type
+      find_last_not_of(const _CharT* __s, size_type __pos,
+         size_type __n) const;
+# 2350 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.h" 3
+      size_type
+      find_last_not_of(const _CharT* __s, size_type __pos = npos) const
+      {
+ ;
+ return this->find_last_not_of(__s, __pos, traits_type::length(__s));
+      }
+# 2367 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.h" 3
+      size_type
+      find_last_not_of(_CharT __c, size_type __pos = npos) const
+ noexcept;
+# 2383 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.h" 3
+      basic_string
+      substr(size_type __pos = 0, size_type __n = npos) const
+      { return basic_string(*this,
+       _M_check(__pos, "basic_string::substr"), __n); }
+# 2402 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.h" 3
+      int
+      compare(const basic_string& __str) const
+      {
+ const size_type __size = this->size();
+ const size_type __osize = __str.size();
+ const size_type __len = std::min(__size, __osize);
+
+ int __r = traits_type::compare(_M_data(), __str.data(), __len);
+ if (!__r)
+   __r = _S_compare(__size, __osize);
+ return __r;
+      }
+# 2434 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.h" 3
+      int
+      compare(size_type __pos, size_type __n, const basic_string& __str) const;
+# 2460 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.h" 3
+      int
+      compare(size_type __pos1, size_type __n1, const basic_string& __str,
+       size_type __pos2, size_type __n2) const;
+# 2478 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.h" 3
+      int
+      compare(const _CharT* __s) const;
+# 2502 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.h" 3
+      int
+      compare(size_type __pos, size_type __n1, const _CharT* __s) const;
+# 2529 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.h" 3
+      int
+      compare(size_type __pos, size_type __n1, const _CharT* __s,
+       size_type __n2) const;
+  };
+}
+# 4917 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.h" 3
+  template<typename _CharT, typename _Traits, typename _Alloc>
+    basic_string<_CharT, _Traits, _Alloc>
+    operator+(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
+       const basic_string<_CharT, _Traits, _Alloc>& __rhs)
+    {
+      basic_string<_CharT, _Traits, _Alloc> __str(__lhs);
+      __str.append(__rhs);
+      return __str;
+    }
+
+
+
+
+
+
+
+  template<typename _CharT, typename _Traits, typename _Alloc>
+    basic_string<_CharT,_Traits,_Alloc>
+    operator+(const _CharT* __lhs,
+       const basic_string<_CharT,_Traits,_Alloc>& __rhs);
+
+
+
+
+
+
+
+  template<typename _CharT, typename _Traits, typename _Alloc>
+    basic_string<_CharT,_Traits,_Alloc>
+    operator+(_CharT __lhs, const basic_string<_CharT,_Traits,_Alloc>& __rhs);
+
+
+
+
+
+
+
+  template<typename _CharT, typename _Traits, typename _Alloc>
+    inline basic_string<_CharT, _Traits, _Alloc>
+    operator+(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
+       const _CharT* __rhs)
+    {
+      basic_string<_CharT, _Traits, _Alloc> __str(__lhs);
+      __str.append(__rhs);
+      return __str;
+    }
+
+
+
+
+
+
+
+  template<typename _CharT, typename _Traits, typename _Alloc>
+    inline basic_string<_CharT, _Traits, _Alloc>
+    operator+(const basic_string<_CharT, _Traits, _Alloc>& __lhs, _CharT __rhs)
+    {
+      typedef basic_string<_CharT, _Traits, _Alloc> __string_type;
+      typedef typename __string_type::size_type __size_type;
+      __string_type __str(__lhs);
+      __str.append(__size_type(1), __rhs);
+      return __str;
+    }
+
+
+  template<typename _CharT, typename _Traits, typename _Alloc>
+    inline basic_string<_CharT, _Traits, _Alloc>
+    operator+(basic_string<_CharT, _Traits, _Alloc>&& __lhs,
+       const basic_string<_CharT, _Traits, _Alloc>& __rhs)
+    { return std::move(__lhs.append(__rhs)); }
+
+  template<typename _CharT, typename _Traits, typename _Alloc>
+    inline basic_string<_CharT, _Traits, _Alloc>
+    operator+(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
+       basic_string<_CharT, _Traits, _Alloc>&& __rhs)
+    { return std::move(__rhs.insert(0, __lhs)); }
+
+  template<typename _CharT, typename _Traits, typename _Alloc>
+    inline basic_string<_CharT, _Traits, _Alloc>
+    operator+(basic_string<_CharT, _Traits, _Alloc>&& __lhs,
+       basic_string<_CharT, _Traits, _Alloc>&& __rhs)
+    {
+      const auto __size = __lhs.size() + __rhs.size();
+      const bool __cond = (__size > __lhs.capacity()
+      && __size <= __rhs.capacity());
+      return __cond ? std::move(__rhs.insert(0, __lhs))
+             : std::move(__lhs.append(__rhs));
+    }
+
+  template<typename _CharT, typename _Traits, typename _Alloc>
+    inline basic_string<_CharT, _Traits, _Alloc>
+    operator+(const _CharT* __lhs,
+       basic_string<_CharT, _Traits, _Alloc>&& __rhs)
+    { return std::move(__rhs.insert(0, __lhs)); }
+
+  template<typename _CharT, typename _Traits, typename _Alloc>
+    inline basic_string<_CharT, _Traits, _Alloc>
+    operator+(_CharT __lhs,
+       basic_string<_CharT, _Traits, _Alloc>&& __rhs)
+    { return std::move(__rhs.insert(0, 1, __lhs)); }
+
+  template<typename _CharT, typename _Traits, typename _Alloc>
+    inline basic_string<_CharT, _Traits, _Alloc>
+    operator+(basic_string<_CharT, _Traits, _Alloc>&& __lhs,
+       const _CharT* __rhs)
+    { return std::move(__lhs.append(__rhs)); }
+
+  template<typename _CharT, typename _Traits, typename _Alloc>
+    inline basic_string<_CharT, _Traits, _Alloc>
+    operator+(basic_string<_CharT, _Traits, _Alloc>&& __lhs,
+       _CharT __rhs)
+    { return std::move(__lhs.append(1, __rhs)); }
+# 5038 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.h" 3
+  template<typename _CharT, typename _Traits, typename _Alloc>
+    inline bool
+    operator==(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
+        const basic_string<_CharT, _Traits, _Alloc>& __rhs)
+    noexcept
+    { return __lhs.compare(__rhs) == 0; }
+
+  template<typename _CharT>
+    inline
+    typename __gnu_cxx::__enable_if<__is_char<_CharT>::__value, bool>::__type
+    operator==(const basic_string<_CharT>& __lhs,
+        const basic_string<_CharT>& __rhs) noexcept
+    { return (__lhs.size() == __rhs.size()
+       && !std::char_traits<_CharT>::compare(__lhs.data(), __rhs.data(),
+          __lhs.size())); }
+
+
+
+
+
+
+
+  template<typename _CharT, typename _Traits, typename _Alloc>
+    inline bool
+    operator==(const _CharT* __lhs,
+        const basic_string<_CharT, _Traits, _Alloc>& __rhs)
+    { return __rhs.compare(__lhs) == 0; }
+
+
+
+
+
+
+
+  template<typename _CharT, typename _Traits, typename _Alloc>
+    inline bool
+    operator==(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
+        const _CharT* __rhs)
+    { return __lhs.compare(__rhs) == 0; }
+# 5085 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.h" 3
+  template<typename _CharT, typename _Traits, typename _Alloc>
+    inline bool
+    operator!=(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
+        const basic_string<_CharT, _Traits, _Alloc>& __rhs)
+    noexcept
+    { return !(__lhs == __rhs); }
+
+
+
+
+
+
+
+  template<typename _CharT, typename _Traits, typename _Alloc>
+    inline bool
+    operator!=(const _CharT* __lhs,
+        const basic_string<_CharT, _Traits, _Alloc>& __rhs)
+    { return !(__lhs == __rhs); }
+
+
+
+
+
+
+
+  template<typename _CharT, typename _Traits, typename _Alloc>
+    inline bool
+    operator!=(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
+        const _CharT* __rhs)
+    { return !(__lhs == __rhs); }
+# 5123 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.h" 3
+  template<typename _CharT, typename _Traits, typename _Alloc>
+    inline bool
+    operator<(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
+       const basic_string<_CharT, _Traits, _Alloc>& __rhs)
+    noexcept
+    { return __lhs.compare(__rhs) < 0; }
+
+
+
+
+
+
+
+  template<typename _CharT, typename _Traits, typename _Alloc>
+    inline bool
+    operator<(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
+       const _CharT* __rhs)
+    { return __lhs.compare(__rhs) < 0; }
+
+
+
+
+
+
+
+  template<typename _CharT, typename _Traits, typename _Alloc>
+    inline bool
+    operator<(const _CharT* __lhs,
+       const basic_string<_CharT, _Traits, _Alloc>& __rhs)
+    { return __rhs.compare(__lhs) > 0; }
+# 5161 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.h" 3
+  template<typename _CharT, typename _Traits, typename _Alloc>
+    inline bool
+    operator>(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
+       const basic_string<_CharT, _Traits, _Alloc>& __rhs)
+    noexcept
+    { return __lhs.compare(__rhs) > 0; }
+
+
+
+
+
+
+
+  template<typename _CharT, typename _Traits, typename _Alloc>
+    inline bool
+    operator>(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
+       const _CharT* __rhs)
+    { return __lhs.compare(__rhs) > 0; }
+
+
+
+
+
+
+
+  template<typename _CharT, typename _Traits, typename _Alloc>
+    inline bool
+    operator>(const _CharT* __lhs,
+       const basic_string<_CharT, _Traits, _Alloc>& __rhs)
+    { return __rhs.compare(__lhs) < 0; }
+# 5199 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.h" 3
+  template<typename _CharT, typename _Traits, typename _Alloc>
+    inline bool
+    operator<=(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
+        const basic_string<_CharT, _Traits, _Alloc>& __rhs)
+    noexcept
+    { return __lhs.compare(__rhs) <= 0; }
+
+
+
+
+
+
+
+  template<typename _CharT, typename _Traits, typename _Alloc>
+    inline bool
+    operator<=(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
+        const _CharT* __rhs)
+    { return __lhs.compare(__rhs) <= 0; }
+
+
+
+
+
+
+
+  template<typename _CharT, typename _Traits, typename _Alloc>
+    inline bool
+    operator<=(const _CharT* __lhs,
+        const basic_string<_CharT, _Traits, _Alloc>& __rhs)
+    { return __rhs.compare(__lhs) >= 0; }
+# 5237 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.h" 3
+  template<typename _CharT, typename _Traits, typename _Alloc>
+    inline bool
+    operator>=(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
+        const basic_string<_CharT, _Traits, _Alloc>& __rhs)
+    noexcept
+    { return __lhs.compare(__rhs) >= 0; }
+
+
+
+
+
+
+
+  template<typename _CharT, typename _Traits, typename _Alloc>
+    inline bool
+    operator>=(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
+        const _CharT* __rhs)
+    { return __lhs.compare(__rhs) >= 0; }
+
+
+
+
+
+
+
+  template<typename _CharT, typename _Traits, typename _Alloc>
+    inline bool
+    operator>=(const _CharT* __lhs,
+      const basic_string<_CharT, _Traits, _Alloc>& __rhs)
+    { return __rhs.compare(__lhs) <= 0; }
+# 5275 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.h" 3
+  template<typename _CharT, typename _Traits, typename _Alloc>
+    inline void
+    swap(basic_string<_CharT, _Traits, _Alloc>& __lhs,
+  basic_string<_CharT, _Traits, _Alloc>& __rhs)
+    noexcept(noexcept(__lhs.swap(__rhs)))
+    { __lhs.swap(__rhs); }
+# 5295 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.h" 3
+  template<typename _CharT, typename _Traits, typename _Alloc>
+    basic_istream<_CharT, _Traits>&
+    operator>>(basic_istream<_CharT, _Traits>& __is,
+        basic_string<_CharT, _Traits, _Alloc>& __str);
+
+  template<>
+    basic_istream<char>&
+    operator>>(basic_istream<char>& __is, basic_string<char>& __str);
+# 5313 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.h" 3
+  template<typename _CharT, typename _Traits, typename _Alloc>
+    inline basic_ostream<_CharT, _Traits>&
+    operator<<(basic_ostream<_CharT, _Traits>& __os,
+        const basic_string<_CharT, _Traits, _Alloc>& __str)
+    {
+
+
+      return __ostream_insert(__os, __str.data(), __str.size());
+    }
+# 5336 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.h" 3
+  template<typename _CharT, typename _Traits, typename _Alloc>
+    basic_istream<_CharT, _Traits>&
+    getline(basic_istream<_CharT, _Traits>& __is,
+     basic_string<_CharT, _Traits, _Alloc>& __str, _CharT __delim);
+# 5353 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.h" 3
+  template<typename _CharT, typename _Traits, typename _Alloc>
+    inline basic_istream<_CharT, _Traits>&
+    getline(basic_istream<_CharT, _Traits>& __is,
+     basic_string<_CharT, _Traits, _Alloc>& __str)
+    { return std::getline(__is, __str, __is.widen('\n')); }
+
+
+
+  template<typename _CharT, typename _Traits, typename _Alloc>
+    inline basic_istream<_CharT, _Traits>&
+    getline(basic_istream<_CharT, _Traits>&& __is,
+     basic_string<_CharT, _Traits, _Alloc>& __str, _CharT __delim)
+    { return std::getline(__is, __str, __delim); }
+
+
+  template<typename _CharT, typename _Traits, typename _Alloc>
+    inline basic_istream<_CharT, _Traits>&
+    getline(basic_istream<_CharT, _Traits>&& __is,
+     basic_string<_CharT, _Traits, _Alloc>& __str)
+    { return std::getline(__is, __str); }
+
+
+  template<>
+    basic_istream<char>&
+    getline(basic_istream<char>& __in, basic_string<char>& __str,
+     char __delim);
+
+
+  template<>
+    basic_istream<wchar_t>&
+    getline(basic_istream<wchar_t>& __in, basic_string<wchar_t>& __str,
+     wchar_t __delim);
+
+
+
+}
+
+
+
+# 1 "/aux/hubicka/trunk-install/include/c++/6.0.0/ext/string_conversions.h" 1 3
+# 32 "/aux/hubicka/trunk-install/include/c++/6.0.0/ext/string_conversions.h" 3
+       
+# 33 "/aux/hubicka/trunk-install/include/c++/6.0.0/ext/string_conversions.h" 3
+# 41 "/aux/hubicka/trunk-install/include/c++/6.0.0/ext/string_conversions.h" 3
+# 1 "/aux/hubicka/trunk-install/include/c++/6.0.0/cstdlib" 1 3
+# 39 "/aux/hubicka/trunk-install/include/c++/6.0.0/cstdlib" 3
+       
+# 40 "/aux/hubicka/trunk-install/include/c++/6.0.0/cstdlib" 3
+# 72 "/aux/hubicka/trunk-install/include/c++/6.0.0/cstdlib" 3
+# 1 "/usr/include/stdlib.h" 1 3 4
+# 33 "/usr/include/stdlib.h" 3 4
+# 1 "/aux/hubicka/trunk-install/lib/gcc/x86_64-pc-linux-gnu/6.0.0/include/stddef.h" 1 3 4
+# 34 "/usr/include/stdlib.h" 2 3 4
+
+extern "C" {
+
+
+
+
+
+
+# 1 "/usr/include/x86_64-linux-gnu/bits/waitflags.h" 1 3 4
+# 43 "/usr/include/stdlib.h" 2 3 4
+# 1 "/usr/include/x86_64-linux-gnu/bits/waitstatus.h" 1 3 4
+# 67 "/usr/include/x86_64-linux-gnu/bits/waitstatus.h" 3 4
+union wait
+  {
+    int w_status;
+    struct
+      {
+
+ unsigned int __w_termsig:7;
+ unsigned int __w_coredump:1;
+ unsigned int __w_retcode:8;
+ unsigned int:16;
+
+
+
+
+
+
+
+      } __wait_terminated;
+    struct
+      {
+
+ unsigned int __w_stopval:8;
+ unsigned int __w_stopsig:8;
+ unsigned int:16;
+
+
+
+
+
+
+      } __wait_stopped;
+  };
+# 44 "/usr/include/stdlib.h" 2 3 4
+# 96 "/usr/include/stdlib.h" 3 4
+
+
+typedef struct
+  {
+    int quot;
+    int rem;
+  } div_t;
+
+
+
+typedef struct
+  {
+    long int quot;
+    long int rem;
+  } ldiv_t;
+
+
+
+
+
+
+
+__extension__ typedef struct
+  {
+    long long int quot;
+    long long int rem;
+  } lldiv_t;
+
+
+# 140 "/usr/include/stdlib.h" 3 4
+extern size_t __ctype_get_mb_cur_max (void) throw () ;
+
+
+
+
+extern double atof (__const char *__nptr)
+     throw () __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1))) ;
+
+extern int atoi (__const char *__nptr)
+     throw () __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1))) ;
+
+extern long int atol (__const char *__nptr)
+     throw () __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1))) ;
+
+
+
+
+
+__extension__ extern long long int atoll (__const char *__nptr)
+     throw () __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1))) ;
+
+
+
+
+
+extern double strtod (__const char *__restrict __nptr,
+        char **__restrict __endptr)
+     throw () __attribute__ ((__nonnull__ (1))) ;
+
+
+
+
+
+extern float strtof (__const char *__restrict __nptr,
+       char **__restrict __endptr) throw () __attribute__ ((__nonnull__ (1))) ;
+
+extern long double strtold (__const char *__restrict __nptr,
+       char **__restrict __endptr)
+     throw () __attribute__ ((__nonnull__ (1))) ;
+
+
+
+
+
+extern long int strtol (__const char *__restrict __nptr,
+   char **__restrict __endptr, int __base)
+     throw () __attribute__ ((__nonnull__ (1))) ;
+
+extern unsigned long int strtoul (__const char *__restrict __nptr,
+      char **__restrict __endptr, int __base)
+     throw () __attribute__ ((__nonnull__ (1))) ;
+
+
+
+
+__extension__
+extern long long int strtoq (__const char *__restrict __nptr,
+        char **__restrict __endptr, int __base)
+     throw () __attribute__ ((__nonnull__ (1))) ;
+
+__extension__
+extern unsigned long long int strtouq (__const char *__restrict __nptr,
+           char **__restrict __endptr, int __base)
+     throw () __attribute__ ((__nonnull__ (1))) ;
+
+
+
+
+
+__extension__
+extern long long int strtoll (__const char *__restrict __nptr,
+         char **__restrict __endptr, int __base)
+     throw () __attribute__ ((__nonnull__ (1))) ;
+
+__extension__
+extern unsigned long long int strtoull (__const char *__restrict __nptr,
+     char **__restrict __endptr, int __base)
+     throw () __attribute__ ((__nonnull__ (1))) ;
+
+# 240 "/usr/include/stdlib.h" 3 4
+extern long int strtol_l (__const char *__restrict __nptr,
+     char **__restrict __endptr, int __base,
+     __locale_t __loc) throw () __attribute__ ((__nonnull__ (1, 4))) ;
+
+extern unsigned long int strtoul_l (__const char *__restrict __nptr,
+        char **__restrict __endptr,
+        int __base, __locale_t __loc)
+     throw () __attribute__ ((__nonnull__ (1, 4))) ;
+
+__extension__
+extern long long int strtoll_l (__const char *__restrict __nptr,
+    char **__restrict __endptr, int __base,
+    __locale_t __loc)
+     throw () __attribute__ ((__nonnull__ (1, 4))) ;
+
+__extension__
+extern unsigned long long int strtoull_l (__const char *__restrict __nptr,
+       char **__restrict __endptr,
+       int __base, __locale_t __loc)
+     throw () __attribute__ ((__nonnull__ (1, 4))) ;
+
+extern double strtod_l (__const char *__restrict __nptr,
+   char **__restrict __endptr, __locale_t __loc)
+     throw () __attribute__ ((__nonnull__ (1, 3))) ;
+
+extern float strtof_l (__const char *__restrict __nptr,
+         char **__restrict __endptr, __locale_t __loc)
+     throw () __attribute__ ((__nonnull__ (1, 3))) ;
+
+extern long double strtold_l (__const char *__restrict __nptr,
+         char **__restrict __endptr,
+         __locale_t __loc)
+     throw () __attribute__ ((__nonnull__ (1, 3))) ;
+
+
+
+
+
+extern __inline __attribute__ ((__gnu_inline__)) double
+atof (__const char *__nptr) throw ()
+{
+  return strtod (__nptr, (char **) __null);
+}
+extern __inline __attribute__ ((__gnu_inline__)) int
+atoi (__const char *__nptr) throw ()
+{
+  return (int) strtol (__nptr, (char **) __null, 10);
+}
+extern __inline __attribute__ ((__gnu_inline__)) long int
+atol (__const char *__nptr) throw ()
+{
+  return strtol (__nptr, (char **) __null, 10);
+}
+
+
+
+
+__extension__ extern __inline __attribute__ ((__gnu_inline__)) long long int
+atoll (__const char *__nptr) throw ()
+{
+  return strtoll (__nptr, (char **) __null, 10);
+}
+
+# 311 "/usr/include/stdlib.h" 3 4
+extern char *l64a (long int __n) throw () ;
+
+
+extern long int a64l (__const char *__s)
+     throw () __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1))) ;
+
+
+
+
+# 1 "/usr/include/x86_64-linux-gnu/sys/types.h" 1 3 4
+# 28 "/usr/include/x86_64-linux-gnu/sys/types.h" 3 4
+extern "C" {
+
+
+
+
+
+typedef __u_char u_char;
+typedef __u_short u_short;
+typedef __u_int u_int;
+typedef __u_long u_long;
+typedef __quad_t quad_t;
+typedef __u_quad_t u_quad_t;
+typedef __fsid_t fsid_t;
+
+
+
+
+typedef __loff_t loff_t;
+
+
+
+typedef __ino_t ino_t;
+
+
+
+
+
+
+typedef __ino64_t ino64_t;
+
+
+
+
+typedef __dev_t dev_t;
+
+
+
+
+typedef __gid_t gid_t;
+
+
+
+
+typedef __mode_t mode_t;
+
+
+
+
+typedef __nlink_t nlink_t;
+
+
+
+
+typedef __uid_t uid_t;
+
+
+
+
+
+typedef __off_t off_t;
+
+
+
+
+
+
+typedef __off64_t off64_t;
+# 105 "/usr/include/x86_64-linux-gnu/sys/types.h" 3 4
+typedef __id_t id_t;
+
+
+
+
+typedef __ssize_t ssize_t;
+
+
+
+
+
+typedef __daddr_t daddr_t;
+typedef __caddr_t caddr_t;
+
+
+
+
+
+typedef __key_t key_t;
+# 137 "/usr/include/x86_64-linux-gnu/sys/types.h" 3 4
+typedef __useconds_t useconds_t;
+
+
+
+typedef __suseconds_t suseconds_t;
+
+
+
+
+
+# 1 "/aux/hubicka/trunk-install/lib/gcc/x86_64-pc-linux-gnu/6.0.0/include/stddef.h" 1 3 4
+# 148 "/usr/include/x86_64-linux-gnu/sys/types.h" 2 3 4
+
+
+
+typedef unsigned long int ulong;
+typedef unsigned short int ushort;
+typedef unsigned int uint;
+# 201 "/usr/include/x86_64-linux-gnu/sys/types.h" 3 4
+typedef unsigned int u_int8_t __attribute__ ((__mode__ (__QI__)));
+typedef unsigned int u_int16_t __attribute__ ((__mode__ (__HI__)));
+typedef unsigned int u_int32_t __attribute__ ((__mode__ (__SI__)));
+typedef unsigned int u_int64_t __attribute__ ((__mode__ (__DI__)));
+
+typedef int register_t __attribute__ ((__mode__ (__word__)));
+# 220 "/usr/include/x86_64-linux-gnu/sys/types.h" 3 4
+# 1 "/usr/include/x86_64-linux-gnu/sys/select.h" 1 3 4
+# 31 "/usr/include/x86_64-linux-gnu/sys/select.h" 3 4
+# 1 "/usr/include/x86_64-linux-gnu/bits/select.h" 1 3 4
+# 23 "/usr/include/x86_64-linux-gnu/bits/select.h" 3 4
+# 1 "/usr/include/x86_64-linux-gnu/bits/wordsize.h" 1 3 4
+# 24 "/usr/include/x86_64-linux-gnu/bits/select.h" 2 3 4
+# 32 "/usr/include/x86_64-linux-gnu/sys/select.h" 2 3 4
+
+
+# 1 "/usr/include/x86_64-linux-gnu/bits/sigset.h" 1 3 4
+# 24 "/usr/include/x86_64-linux-gnu/bits/sigset.h" 3 4
+typedef int __sig_atomic_t;
+
+
+
+
+typedef struct
+  {
+    unsigned long int __val[(1024 / (8 * sizeof (unsigned long int)))];
+  } __sigset_t;
+# 35 "/usr/include/x86_64-linux-gnu/sys/select.h" 2 3 4
+
+
+
+typedef __sigset_t sigset_t;
+
+
+
+
+
+
+
+# 1 "/usr/include/x86_64-linux-gnu/bits/time.h" 1 3 4
+# 75 "/usr/include/x86_64-linux-gnu/bits/time.h" 3 4
+struct timeval
+  {
+    __time_t tv_sec;
+    __suseconds_t tv_usec;
+  };
+# 47 "/usr/include/x86_64-linux-gnu/sys/select.h" 2 3 4
+# 55 "/usr/include/x86_64-linux-gnu/sys/select.h" 3 4
+typedef long int __fd_mask;
+# 67 "/usr/include/x86_64-linux-gnu/sys/select.h" 3 4
+typedef struct
+  {
+
+
+
+    __fd_mask fds_bits[1024 / (8 * (int) sizeof (__fd_mask))];
+
+
+
+
+
+  } fd_set;
+
+
+
+
+
+
+typedef __fd_mask fd_mask;
+# 99 "/usr/include/x86_64-linux-gnu/sys/select.h" 3 4
+extern "C" {
+# 109 "/usr/include/x86_64-linux-gnu/sys/select.h" 3 4
+extern int select (int __nfds, fd_set *__restrict __readfds,
+     fd_set *__restrict __writefds,
+     fd_set *__restrict __exceptfds,
+     struct timeval *__restrict __timeout);
+# 121 "/usr/include/x86_64-linux-gnu/sys/select.h" 3 4
+extern int pselect (int __nfds, fd_set *__restrict __readfds,
+      fd_set *__restrict __writefds,
+      fd_set *__restrict __exceptfds,
+      const struct timespec *__restrict __timeout,
+      const __sigset_t *__restrict __sigmask);
+
+
+}
+# 221 "/usr/include/x86_64-linux-gnu/sys/types.h" 2 3 4
+
+
+# 1 "/usr/include/x86_64-linux-gnu/sys/sysmacros.h" 1 3 4
+# 30 "/usr/include/x86_64-linux-gnu/sys/sysmacros.h" 3 4
+__extension__
+extern unsigned int gnu_dev_major (unsigned long long int __dev)
+     throw ();
+__extension__
+extern unsigned int gnu_dev_minor (unsigned long long int __dev)
+     throw ();
+__extension__
+extern unsigned long long int gnu_dev_makedev (unsigned int __major,
+            unsigned int __minor)
+     throw ();
+
+
+__extension__ extern __inline __attribute__ ((__gnu_inline__)) unsigned int
+gnu_dev_major (unsigned long long int __dev) throw ()
+{
+  return ((__dev >> 8) & 0xfff) | ((unsigned int) (__dev >> 32) & ~0xfff);
+}
+
+__extension__ extern __inline __attribute__ ((__gnu_inline__)) unsigned int
+gnu_dev_minor (unsigned long long int __dev) throw ()
+{
+  return (__dev & 0xff) | ((unsigned int) (__dev >> 12) & ~0xff);
+}
+
+__extension__ extern __inline __attribute__ ((__gnu_inline__)) unsigned long long int
+gnu_dev_makedev (unsigned int __major, unsigned int __minor) throw ()
+{
+  return ((__minor & 0xff) | ((__major & 0xfff) << 8)
+   | (((unsigned long long int) (__minor & ~0xff)) << 12)
+   | (((unsigned long long int) (__major & ~0xfff)) << 32));
+}
+# 224 "/usr/include/x86_64-linux-gnu/sys/types.h" 2 3 4
+
+
+
+
+
+typedef __blksize_t blksize_t;
+
+
+
+
+
+
+typedef __blkcnt_t blkcnt_t;
+
+
+
+typedef __fsblkcnt_t fsblkcnt_t;
+
+
+
+typedef __fsfilcnt_t fsfilcnt_t;
+# 263 "/usr/include/x86_64-linux-gnu/sys/types.h" 3 4
+typedef __blkcnt64_t blkcnt64_t;
+typedef __fsblkcnt64_t fsblkcnt64_t;
+typedef __fsfilcnt64_t fsfilcnt64_t;
+# 274 "/usr/include/x86_64-linux-gnu/sys/types.h" 3 4
+}
+# 321 "/usr/include/stdlib.h" 2 3 4
+
+
+
+
+
+
+extern long int random (void) throw ();
+
+
+extern void srandom (unsigned int __seed) throw ();
+
+
+
+
+
+extern char *initstate (unsigned int __seed, char *__statebuf,
+   size_t __statelen) throw () __attribute__ ((__nonnull__ (2)));
+
+
+
+extern char *setstate (char *__statebuf) throw () __attribute__ ((__nonnull__ (1)));
+
+
+
+
+
+
+
+struct random_data
+  {
+    int32_t *fptr;
+    int32_t *rptr;
+    int32_t *state;
+    int rand_type;
+    int rand_deg;
+    int rand_sep;
+    int32_t *end_ptr;
+  };
+
+extern int random_r (struct random_data *__restrict __buf,
+       int32_t *__restrict __result) throw () __attribute__ ((__nonnull__ (1, 2)));
+
+extern int srandom_r (unsigned int __seed, struct random_data *__buf)
+     throw () __attribute__ ((__nonnull__ (2)));
+
+extern int initstate_r (unsigned int __seed, char *__restrict __statebuf,
+   size_t __statelen,
+   struct random_data *__restrict __buf)
+     throw () __attribute__ ((__nonnull__ (2, 4)));
+
+extern int setstate_r (char *__restrict __statebuf,
+         struct random_data *__restrict __buf)
+     throw () __attribute__ ((__nonnull__ (1, 2)));
+
+
+
+
+
+
+extern int rand (void) throw ();
+
+extern void srand (unsigned int __seed) throw ();
+
+
+
+
+extern int rand_r (unsigned int *__seed) throw ();
+
+
+
+
+
+
+
+extern double drand48 (void) throw ();
+extern double erand48 (unsigned short int __xsubi[3]) throw () __attribute__ ((__nonnull__ (1)));
+
+
+extern long int lrand48 (void) throw ();
+extern long int nrand48 (unsigned short int __xsubi[3])
+     throw () __attribute__ ((__nonnull__ (1)));
+
+
+extern long int mrand48 (void) throw ();
+extern long int jrand48 (unsigned short int __xsubi[3])
+     throw () __attribute__ ((__nonnull__ (1)));
+
+
+extern void srand48 (long int __seedval) throw ();
+extern unsigned short int *seed48 (unsigned short int __seed16v[3])
+     throw () __attribute__ ((__nonnull__ (1)));
+extern void lcong48 (unsigned short int __param[7]) throw () __attribute__ ((__nonnull__ (1)));
+
+
+
+
+
+struct drand48_data
+  {
+    unsigned short int __x[3];
+    unsigned short int __old_x[3];
+    unsigned short int __c;
+    unsigned short int __init;
+    unsigned long long int __a;
+  };
+
+
+extern int drand48_r (struct drand48_data *__restrict __buffer,
+        double *__restrict __result) throw () __attribute__ ((__nonnull__ (1, 2)));
+extern int erand48_r (unsigned short int __xsubi[3],
+        struct drand48_data *__restrict __buffer,
+        double *__restrict __result) throw () __attribute__ ((__nonnull__ (1, 2)));
+
+
+extern int lrand48_r (struct drand48_data *__restrict __buffer,
+        long int *__restrict __result)
+     throw () __attribute__ ((__nonnull__ (1, 2)));
+extern int nrand48_r (unsigned short int __xsubi[3],
+        struct drand48_data *__restrict __buffer,
+        long int *__restrict __result)
+     throw () __attribute__ ((__nonnull__ (1, 2)));
+
+
+extern int mrand48_r (struct drand48_data *__restrict __buffer,
+        long int *__restrict __result)
+     throw () __attribute__ ((__nonnull__ (1, 2)));
+extern int jrand48_r (unsigned short int __xsubi[3],
+        struct drand48_data *__restrict __buffer,
+        long int *__restrict __result)
+     throw () __attribute__ ((__nonnull__ (1, 2)));
+
+
+extern int srand48_r (long int __seedval, struct drand48_data *__buffer)
+     throw () __attribute__ ((__nonnull__ (2)));
+
+extern int seed48_r (unsigned short int __seed16v[3],
+       struct drand48_data *__buffer) throw () __attribute__ ((__nonnull__ (1, 2)));
+
+extern int lcong48_r (unsigned short int __param[7],
+        struct drand48_data *__buffer)
+     throw () __attribute__ ((__nonnull__ (1, 2)));
+
+
+
+
+
+
+
+
+
+extern void *malloc (size_t __size) throw () __attribute__ ((__malloc__)) ;
+
+extern void *calloc (size_t __nmemb, size_t __size)
+     throw () __attribute__ ((__malloc__)) ;
+
+
+
+
+
+
+
+
+
+
+extern void *realloc (void *__ptr, size_t __size)
+     throw () __attribute__ ((__warn_unused_result__));
+
+extern void free (void *__ptr) throw ();
+
+
+
+
+extern void cfree (void *__ptr) throw ();
+
+
+
+# 1 "/usr/include/alloca.h" 1 3 4
+# 25 "/usr/include/alloca.h" 3 4
+# 1 "/aux/hubicka/trunk-install/lib/gcc/x86_64-pc-linux-gnu/6.0.0/include/stddef.h" 1 3 4
+# 26 "/usr/include/alloca.h" 2 3 4
+
+extern "C" {
+
+
+
+
+
+extern void *alloca (size_t __size) throw ();
+
+
+
+
+
+}
+# 498 "/usr/include/stdlib.h" 2 3 4
+
+
+
+
+
+extern void *valloc (size_t __size) throw () __attribute__ ((__malloc__)) ;
+
+
+
+
+extern int posix_memalign (void **__memptr, size_t __alignment, size_t __size)
+     throw () __attribute__ ((__nonnull__ (1))) ;
+
+
+
+
+extern void abort (void) throw () __attribute__ ((__noreturn__));
+
+
+
+extern int atexit (void (*__func) (void)) throw () __attribute__ ((__nonnull__ (1)));
+
+
+
+
+
+
+extern "C++" int at_quick_exit (void (*__func) (void))
+     throw () __asm ("at_quick_exit") __attribute__ ((__nonnull__ (1)));
+
+
+
+
+
+
+
+
+
+extern int on_exit (void (*__func) (int __status, void *__arg), void *__arg)
+     throw () __attribute__ ((__nonnull__ (1)));
+
+
+
+
+
+
+extern void exit (int __status) throw () __attribute__ ((__noreturn__));
+
+
+
+
+
+
+
+extern void quick_exit (int __status) throw () __attribute__ ((__noreturn__));
+
+
+
+
+
+
+
+extern void _Exit (int __status) throw () __attribute__ ((__noreturn__));
+
+
+
+
+
+
+extern char *getenv (__const char *__name) throw () __attribute__ ((__nonnull__ (1))) ;
+
+
+
+
+extern char *__secure_getenv (__const char *__name)
+     throw () __attribute__ ((__nonnull__ (1))) ;
+
+
+
+
+
+extern int putenv (char *__string) throw () __attribute__ ((__nonnull__ (1)));
+
+
+
+
+
+extern int setenv (__const char *__name, __const char *__value, int __replace)
+     throw () __attribute__ ((__nonnull__ (2)));
+
+
+extern int unsetenv (__const char *__name) throw () __attribute__ ((__nonnull__ (1)));
+
+
+
+
+
+
+extern int clearenv (void) throw ();
+# 606 "/usr/include/stdlib.h" 3 4
+extern char *mktemp (char *__template) throw () __attribute__ ((__nonnull__ (1))) ;
+# 620 "/usr/include/stdlib.h" 3 4
+extern int mkstemp (char *__template) __attribute__ ((__nonnull__ (1))) ;
+# 630 "/usr/include/stdlib.h" 3 4
+extern int mkstemp64 (char *__template) __attribute__ ((__nonnull__ (1))) ;
+# 642 "/usr/include/stdlib.h" 3 4
+extern int mkstemps (char *__template, int __suffixlen) __attribute__ ((__nonnull__ (1))) ;
+# 652 "/usr/include/stdlib.h" 3 4
+extern int mkstemps64 (char *__template, int __suffixlen)
+     __attribute__ ((__nonnull__ (1))) ;
+# 663 "/usr/include/stdlib.h" 3 4
+extern char *mkdtemp (char *__template) throw () __attribute__ ((__nonnull__ (1))) ;
+# 674 "/usr/include/stdlib.h" 3 4
+extern int mkostemp (char *__template, int __flags) __attribute__ ((__nonnull__ (1))) ;
+# 684 "/usr/include/stdlib.h" 3 4
+extern int mkostemp64 (char *__template, int __flags) __attribute__ ((__nonnull__ (1))) ;
+# 694 "/usr/include/stdlib.h" 3 4
+extern int mkostemps (char *__template, int __suffixlen, int __flags)
+     __attribute__ ((__nonnull__ (1))) ;
+# 706 "/usr/include/stdlib.h" 3 4
+extern int mkostemps64 (char *__template, int __suffixlen, int __flags)
+     __attribute__ ((__nonnull__ (1))) ;
+
+
+
+
+
+
+
+
+
+extern int system (__const char *__command) ;
+
+
+
+
+
+
+extern char *canonicalize_file_name (__const char *__name)
+     throw () __attribute__ ((__nonnull__ (1))) ;
+# 734 "/usr/include/stdlib.h" 3 4
+extern char *realpath (__const char *__restrict __name,
+         char *__restrict __resolved) throw () ;
+
+
+
+
+
+
+typedef int (*__compar_fn_t) (__const void *, __const void *);
+
+
+typedef __compar_fn_t comparison_fn_t;
+
+
+
+typedef int (*__compar_d_fn_t) (__const void *, __const void *, void *);
+
+
+
+
+
+extern void *bsearch (__const void *__key, __const void *__base,
+        size_t __nmemb, size_t __size, __compar_fn_t __compar)
+     __attribute__ ((__nonnull__ (1, 2, 5))) ;
+
+
+
+extern void qsort (void *__base, size_t __nmemb, size_t __size,
+     __compar_fn_t __compar) __attribute__ ((__nonnull__ (1, 4)));
+
+extern void qsort_r (void *__base, size_t __nmemb, size_t __size,
+       __compar_d_fn_t __compar, void *__arg)
+  __attribute__ ((__nonnull__ (1, 4)));
+
+
+
+
+extern int abs (int __x) throw () __attribute__ ((__const__)) ;
+extern long int labs (long int __x) throw () __attribute__ ((__const__)) ;
+
+
+
+__extension__ extern long long int llabs (long long int __x)
+     throw () __attribute__ ((__const__)) ;
+
+
+
+
+
+
+
+extern div_t div (int __numer, int __denom)
+     throw () __attribute__ ((__const__)) ;
+extern ldiv_t ldiv (long int __numer, long int __denom)
+     throw () __attribute__ ((__const__)) ;
+
+
+
+
+__extension__ extern lldiv_t lldiv (long long int __numer,
+        long long int __denom)
+     throw () __attribute__ ((__const__)) ;
+
+# 808 "/usr/include/stdlib.h" 3 4
+extern char *ecvt (double __value, int __ndigit, int *__restrict __decpt,
+     int *__restrict __sign) throw () __attribute__ ((__nonnull__ (3, 4))) ;
+
+
+
+
+extern char *fcvt (double __value, int __ndigit, int *__restrict __decpt,
+     int *__restrict __sign) throw () __attribute__ ((__nonnull__ (3, 4))) ;
+
+
+
+
+extern char *gcvt (double __value, int __ndigit, char *__buf)
+     throw () __attribute__ ((__nonnull__ (3))) ;
+
+
+
+
+extern char *qecvt (long double __value, int __ndigit,
+      int *__restrict __decpt, int *__restrict __sign)
+     throw () __attribute__ ((__nonnull__ (3, 4))) ;
+extern char *qfcvt (long double __value, int __ndigit,
+      int *__restrict __decpt, int *__restrict __sign)
+     throw () __attribute__ ((__nonnull__ (3, 4))) ;
+extern char *qgcvt (long double __value, int __ndigit, char *__buf)
+     throw () __attribute__ ((__nonnull__ (3))) ;
+
+
+
+
+extern int ecvt_r (double __value, int __ndigit, int *__restrict __decpt,
+     int *__restrict __sign, char *__restrict __buf,
+     size_t __len) throw () __attribute__ ((__nonnull__ (3, 4, 5)));
+extern int fcvt_r (double __value, int __ndigit, int *__restrict __decpt,
+     int *__restrict __sign, char *__restrict __buf,
+     size_t __len) throw () __attribute__ ((__nonnull__ (3, 4, 5)));
+
+extern int qecvt_r (long double __value, int __ndigit,
+      int *__restrict __decpt, int *__restrict __sign,
+      char *__restrict __buf, size_t __len)
+     throw () __attribute__ ((__nonnull__ (3, 4, 5)));
+extern int qfcvt_r (long double __value, int __ndigit,
+      int *__restrict __decpt, int *__restrict __sign,
+      char *__restrict __buf, size_t __len)
+     throw () __attribute__ ((__nonnull__ (3, 4, 5)));
+
+
+
+
+
+
+
+extern int mblen (__const char *__s, size_t __n) throw () ;
+
+
+extern int mbtowc (wchar_t *__restrict __pwc,
+     __const char *__restrict __s, size_t __n) throw () ;
+
+
+extern int wctomb (char *__s, wchar_t __wchar) throw () ;
+
+
+
+extern size_t mbstowcs (wchar_t *__restrict __pwcs,
+   __const char *__restrict __s, size_t __n) throw ();
+
+extern size_t wcstombs (char *__restrict __s,
+   __const wchar_t *__restrict __pwcs, size_t __n)
+     throw ();
+
+
+
+
+
+
+
+
+extern int rpmatch (__const char *__response) throw () __attribute__ ((__nonnull__ (1))) ;
+# 896 "/usr/include/stdlib.h" 3 4
+extern int getsubopt (char **__restrict __optionp,
+        char *__const *__restrict __tokens,
+        char **__restrict __valuep)
+     throw () __attribute__ ((__nonnull__ (1, 2, 3))) ;
+
+
+
+
+
+extern void setkey (__const char *__key) throw () __attribute__ ((__nonnull__ (1)));
+
+
+
+
+
+
+
+extern int posix_openpt (int __oflag) ;
+
+
+
+
+
+
+
+extern int grantpt (int __fd) throw ();
+
+
+
+extern int unlockpt (int __fd) throw ();
+
+
+
+
+extern char *ptsname (int __fd) throw () ;
+
+
+
+
+
+
+extern int ptsname_r (int __fd, char *__buf, size_t __buflen)
+     throw () __attribute__ ((__nonnull__ (2)));
+
+
+extern int getpt (void);
+
+
+
+
+
+
+extern int getloadavg (double __loadavg[], int __nelem)
+     throw () __attribute__ ((__nonnull__ (1)));
+# 964 "/usr/include/stdlib.h" 3 4
+}
+# 73 "/aux/hubicka/trunk-install/include/c++/6.0.0/cstdlib" 2 3
+# 114 "/aux/hubicka/trunk-install/include/c++/6.0.0/cstdlib" 3
+namespace std __attribute__ ((__visibility__ ("default")))
+{
+
+
+  using ::div_t;
+  using ::ldiv_t;
+
+  using ::abort;
+  using ::abs;
+  using ::atexit;
+
+
+  using ::at_quick_exit;
+
+
+  using ::atof;
+  using ::atoi;
+  using ::atol;
+  using ::bsearch;
+  using ::calloc;
+  using ::div;
+  using ::exit;
+  using ::free;
+  using ::getenv;
+  using ::labs;
+  using ::ldiv;
+  using ::malloc;
+
+  using ::mblen;
+  using ::mbstowcs;
+  using ::mbtowc;
+
+  using ::qsort;
+
+
+  using ::quick_exit;
+
+
+  using ::rand;
+  using ::realloc;
+  using ::srand;
+  using ::strtod;
+  using ::strtol;
+  using ::strtoul;
+  using ::system;
+
+  using ::wcstombs;
+  using ::wctomb;
+
+
+
+  inline long
+  abs(long __i) { return __builtin_labs(__i); }
+
+  inline ldiv_t
+  div(long __i, long __j) { return ldiv(__i, __j); }
+
+
+
+  inline long long
+  abs(long long __x) { return __builtin_llabs (__x); }
+
+
+
+  inline __int128
+  abs(__int128 __x) { return __x >= 0 ? __x : -__x; }
+# 195 "/aux/hubicka/trunk-install/include/c++/6.0.0/cstdlib" 3
+
+}
+# 209 "/aux/hubicka/trunk-install/include/c++/6.0.0/cstdlib" 3
+namespace __gnu_cxx __attribute__ ((__visibility__ ("default")))
+{
+
+
+
+  using ::lldiv_t;
+
+
+
+
+
+  using ::_Exit;
+
+
+
+  using ::llabs;
+
+  inline lldiv_t
+  div(long long __n, long long __d)
+  { lldiv_t __q; __q.quot = __n / __d; __q.rem = __n % __d; return __q; }
+
+  using ::lldiv;
+# 241 "/aux/hubicka/trunk-install/include/c++/6.0.0/cstdlib" 3
+  using ::atoll;
+  using ::strtoll;
+  using ::strtoull;
+
+  using ::strtof;
+  using ::strtold;
+
+
+}
+
+namespace std
+{
+
+  using ::__gnu_cxx::lldiv_t;
+
+  using ::__gnu_cxx::_Exit;
+
+  using ::__gnu_cxx::llabs;
+  using ::__gnu_cxx::div;
+  using ::__gnu_cxx::lldiv;
+
+  using ::__gnu_cxx::atoll;
+  using ::__gnu_cxx::strtof;
+  using ::__gnu_cxx::strtoll;
+  using ::__gnu_cxx::strtoull;
+  using ::__gnu_cxx::strtold;
+}
+# 42 "/aux/hubicka/trunk-install/include/c++/6.0.0/ext/string_conversions.h" 2 3
+# 1 "/aux/hubicka/trunk-install/include/c++/6.0.0/cwchar" 1 3
+# 39 "/aux/hubicka/trunk-install/include/c++/6.0.0/cwchar" 3
+       
+# 40 "/aux/hubicka/trunk-install/include/c++/6.0.0/cwchar" 3
+
+
+
+
+# 1 "/usr/include/wchar.h" 1 3 4
+# 45 "/aux/hubicka/trunk-install/include/c++/6.0.0/cwchar" 2 3
+# 43 "/aux/hubicka/trunk-install/include/c++/6.0.0/ext/string_conversions.h" 2 3
+# 1 "/aux/hubicka/trunk-install/include/c++/6.0.0/cstdio" 1 3
+# 39 "/aux/hubicka/trunk-install/include/c++/6.0.0/cstdio" 3
+       
+# 40 "/aux/hubicka/trunk-install/include/c++/6.0.0/cstdio" 3
+
+
+# 1 "/usr/include/stdio.h" 1 3 4
+# 30 "/usr/include/stdio.h" 3 4
+extern "C" {
+
+
+
+# 1 "/aux/hubicka/trunk-install/lib/gcc/x86_64-pc-linux-gnu/6.0.0/include/stddef.h" 1 3 4
+# 35 "/usr/include/stdio.h" 2 3 4
+# 75 "/usr/include/stdio.h" 3 4
+# 1 "/usr/include/libio.h" 1 3 4
+# 32 "/usr/include/libio.h" 3 4
+# 1 "/usr/include/_G_config.h" 1 3 4
+# 15 "/usr/include/_G_config.h" 3 4
+# 1 "/aux/hubicka/trunk-install/lib/gcc/x86_64-pc-linux-gnu/6.0.0/include/stddef.h" 1 3 4
+# 16 "/usr/include/_G_config.h" 2 3 4
+
+
+
+
+# 1 "/usr/include/wchar.h" 1 3 4
+# 21 "/usr/include/_G_config.h" 2 3 4
+
+typedef struct
+{
+  __off_t __pos;
+  __mbstate_t __state;
+} _G_fpos_t;
+typedef struct
+{
+  __off64_t __pos;
+  __mbstate_t __state;
+} _G_fpos64_t;
+# 53 "/usr/include/_G_config.h" 3 4
+typedef int _G_int16_t __attribute__ ((__mode__ (__HI__)));
+typedef int _G_int32_t __attribute__ ((__mode__ (__SI__)));
+typedef unsigned int _G_uint16_t __attribute__ ((__mode__ (__HI__)));
+typedef unsigned int _G_uint32_t __attribute__ ((__mode__ (__SI__)));
+# 33 "/usr/include/libio.h" 2 3 4
+# 53 "/usr/include/libio.h" 3 4
+# 1 "/aux/hubicka/trunk-install/lib/gcc/x86_64-pc-linux-gnu/6.0.0/include/stdarg.h" 1 3 4
+# 54 "/usr/include/libio.h" 2 3 4
+# 170 "/usr/include/libio.h" 3 4
+struct _IO_jump_t; struct _IO_FILE;
+# 180 "/usr/include/libio.h" 3 4
+typedef void _IO_lock_t;
+
+
+
+
+
+struct _IO_marker {
+  struct _IO_marker *_next;
+  struct _IO_FILE *_sbuf;
+
+
+
+  int _pos;
+# 203 "/usr/include/libio.h" 3 4
+};
+
+
+enum __codecvt_result
+{
+  __codecvt_ok,
+  __codecvt_partial,
+  __codecvt_error,
+  __codecvt_noconv
+};
+# 271 "/usr/include/libio.h" 3 4
+struct _IO_FILE {
+  int _flags;
+
+
+
+
+  char* _IO_read_ptr;
+  char* _IO_read_end;
+  char* _IO_read_base;
+  char* _IO_write_base;
+  char* _IO_write_ptr;
+  char* _IO_write_end;
+  char* _IO_buf_base;
+  char* _IO_buf_end;
+
+  char *_IO_save_base;
+  char *_IO_backup_base;
+  char *_IO_save_end;
+
+  struct _IO_marker *_markers;
+
+  struct _IO_FILE *_chain;
+
+  int _fileno;
+
+
+
+  int _flags2;
+
+  __off_t _old_offset;
+
+
+
+  unsigned short _cur_column;
+  signed char _vtable_offset;
+  char _shortbuf[1];
+
+
+
+  _IO_lock_t *_lock;
+# 319 "/usr/include/libio.h" 3 4
+  __off64_t _offset;
+# 328 "/usr/include/libio.h" 3 4
+  void *__pad1;
+  void *__pad2;
+  void *__pad3;
+  void *__pad4;
+  size_t __pad5;
+
+  int _mode;
+
+  char _unused2[15 * sizeof (int) - 4 * sizeof (void *) - sizeof (size_t)];
+
+};
+
+
+
+
+
+struct _IO_FILE_plus;
+
+extern struct _IO_FILE_plus _IO_2_1_stdin_;
+extern struct _IO_FILE_plus _IO_2_1_stdout_;
+extern struct _IO_FILE_plus _IO_2_1_stderr_;
+# 364 "/usr/include/libio.h" 3 4
+typedef __ssize_t __io_read_fn (void *__cookie, char *__buf, size_t __nbytes);
+
+
+
+
+
+
+
+typedef __ssize_t __io_write_fn (void *__cookie, __const char *__buf,
+     size_t __n);
+
+
+
+
+
+
+
+typedef int __io_seek_fn (void *__cookie, __off64_t *__pos, int __w);
+
+
+typedef int __io_close_fn (void *__cookie);
+
+
+
+
+typedef __io_read_fn cookie_read_function_t;
+typedef __io_write_fn cookie_write_function_t;
+typedef __io_seek_fn cookie_seek_function_t;
+typedef __io_close_fn cookie_close_function_t;
+
+
+typedef struct
+{
+  __io_read_fn *read;
+  __io_write_fn *write;
+  __io_seek_fn *seek;
+  __io_close_fn *close;
+} _IO_cookie_io_functions_t;
+typedef _IO_cookie_io_functions_t cookie_io_functions_t;
+
+struct _IO_cookie_file;
+
+
+extern void _IO_cookie_init (struct _IO_cookie_file *__cfile, int __read_write,
+        void *__cookie, _IO_cookie_io_functions_t __fns);
+
+
+
+
+extern "C" {
+
+
+extern int __underflow (_IO_FILE *);
+extern int __uflow (_IO_FILE *);
+extern int __overflow (_IO_FILE *, int);
+# 460 "/usr/include/libio.h" 3 4
+extern int _IO_getc (_IO_FILE *__fp);
+extern int _IO_putc (int __c, _IO_FILE *__fp);
+extern int _IO_feof (_IO_FILE *__fp) throw ();
+extern int _IO_ferror (_IO_FILE *__fp) throw ();
+
+extern int _IO_peekc_locked (_IO_FILE *__fp);
+
+
+
+
+
+extern void _IO_flockfile (_IO_FILE *) throw ();
+extern void _IO_funlockfile (_IO_FILE *) throw ();
+extern int _IO_ftrylockfile (_IO_FILE *) throw ();
+# 490 "/usr/include/libio.h" 3 4
+extern int _IO_vfscanf (_IO_FILE * __restrict, const char * __restrict,
+   __gnuc_va_list, int *__restrict);
+extern int _IO_vfprintf (_IO_FILE *__restrict, const char *__restrict,
+    __gnuc_va_list);
+extern __ssize_t _IO_padn (_IO_FILE *, int, __ssize_t);
+extern size_t _IO_sgetn (_IO_FILE *, void *, size_t);
+
+extern __off64_t _IO_seekoff (_IO_FILE *, __off64_t, int, int);
+extern __off64_t _IO_seekpos (_IO_FILE *, __off64_t, int);
+
+extern void _IO_free_backup_area (_IO_FILE *) throw ();
+# 552 "/usr/include/libio.h" 3 4
+}
+# 76 "/usr/include/stdio.h" 2 3 4
+
+
+
+
+typedef __gnuc_va_list va_list;
+# 109 "/usr/include/stdio.h" 3 4
+
+
+typedef _G_fpos_t fpos_t;
+
+
+
+
+
+typedef _G_fpos64_t fpos64_t;
+# 161 "/usr/include/stdio.h" 3 4
+# 1 "/usr/include/x86_64-linux-gnu/bits/stdio_lim.h" 1 3 4
+# 162 "/usr/include/stdio.h" 2 3 4
+
+
+
+extern struct _IO_FILE *stdin;
+extern struct _IO_FILE *stdout;
+extern struct _IO_FILE *stderr;
+
+
+
+
+
+
+
+extern int remove (__const char *__filename) throw ();
+
+extern int rename (__const char *__old, __const char *__new) throw ();
+
+
+
+
+extern int renameat (int __oldfd, __const char *__old, int __newfd,
+       __const char *__new) throw ();
+
+
+
+
+
+
+
+
+extern FILE *tmpfile (void) ;
+# 202 "/usr/include/stdio.h" 3 4
+extern FILE *tmpfile64 (void) ;
+
+
+
+extern char *tmpnam (char *__s) throw () ;
+
+
+
+
+
+extern char *tmpnam_r (char *__s) throw () ;
+# 224 "/usr/include/stdio.h" 3 4
+extern char *tempnam (__const char *__dir, __const char *__pfx)
+     throw () __attribute__ ((__malloc__)) ;
+
+
+
+
+
+
+
+
+extern int fclose (FILE *__stream);
+
+
+
+
+extern int fflush (FILE *__stream);
+
+# 249 "/usr/include/stdio.h" 3 4
+extern int fflush_unlocked (FILE *__stream);
+# 259 "/usr/include/stdio.h" 3 4
+extern int fcloseall (void);
+
+
+
+
+
+
+
+
+
+extern FILE *fopen (__const char *__restrict __filename,
+      __const char *__restrict __modes) ;
+
+
+
+
+extern FILE *freopen (__const char *__restrict __filename,
+        __const char *__restrict __modes,
+        FILE *__restrict __stream) ;
+# 292 "/usr/include/stdio.h" 3 4
+
+
+extern FILE *fopen64 (__const char *__restrict __filename,
+        __const char *__restrict __modes) ;
+extern FILE *freopen64 (__const char *__restrict __filename,
+   __const char *__restrict __modes,
+   FILE *__restrict __stream) ;
+
+
+
+
+extern FILE *fdopen (int __fd, __const char *__modes) throw () ;
+
+
+
+
+
+extern FILE *fopencookie (void *__restrict __magic_cookie,
+     __const char *__restrict __modes,
+     _IO_cookie_io_functions_t __io_funcs) throw () ;
+
+
+
+
+extern FILE *fmemopen (void *__s, size_t __len, __const char *__modes)
+  throw () ;
+
+
+
+
+extern FILE *open_memstream (char **__bufloc, size_t *__sizeloc) throw () ;
+
+
+
+
+
+
+extern void setbuf (FILE *__restrict __stream, char *__restrict __buf) throw ();
+
+
+
+extern int setvbuf (FILE *__restrict __stream, char *__restrict __buf,
+      int __modes, size_t __n) throw ();
+
+
+
+
+
+extern void setbuffer (FILE *__restrict __stream, char *__restrict __buf,
+         size_t __size) throw ();
+
+
+extern void setlinebuf (FILE *__stream) throw ();
+
+
+
+
+
+
+
+
+extern int fprintf (FILE *__restrict __stream,
+      __const char *__restrict __format, ...);
+
+
+
+
+extern int printf (__const char *__restrict __format, ...);
+
+extern int sprintf (char *__restrict __s,
+      __const char *__restrict __format, ...) throw ();
+
+
+
+
+
+extern int vfprintf (FILE *__restrict __s, __const char *__restrict __format,
+       __gnuc_va_list __arg);
+
+
+
+
+extern int vprintf (__const char *__restrict __format, __gnuc_va_list __arg);
+
+extern int vsprintf (char *__restrict __s, __const char *__restrict __format,
+       __gnuc_va_list __arg) throw ();
+
+
+
+
+
+extern int snprintf (char *__restrict __s, size_t __maxlen,
+       __const char *__restrict __format, ...)
+     throw () __attribute__ ((__format__ (__printf__, 3, 4)));
+
+extern int vsnprintf (char *__restrict __s, size_t __maxlen,
+        __const char *__restrict __format, __gnuc_va_list __arg)
+     throw () __attribute__ ((__format__ (__printf__, 3, 0)));
+
+
+
+
+
+
+extern int vasprintf (char **__restrict __ptr, __const char *__restrict __f,
+        __gnuc_va_list __arg)
+     throw () __attribute__ ((__format__ (__printf__, 2, 0))) ;
+extern int __asprintf (char **__restrict __ptr,
+         __const char *__restrict __fmt, ...)
+     throw () __attribute__ ((__format__ (__printf__, 2, 3))) ;
+extern int asprintf (char **__restrict __ptr,
+       __const char *__restrict __fmt, ...)
+     throw () __attribute__ ((__format__ (__printf__, 2, 3))) ;
+# 414 "/usr/include/stdio.h" 3 4
+extern int vdprintf (int __fd, __const char *__restrict __fmt,
+       __gnuc_va_list __arg)
+     __attribute__ ((__format__ (__printf__, 2, 0)));
+extern int dprintf (int __fd, __const char *__restrict __fmt, ...)
+     __attribute__ ((__format__ (__printf__, 2, 3)));
+
+
+
+
+
+
+
+
+extern int fscanf (FILE *__restrict __stream,
+     __const char *__restrict __format, ...) ;
+
+
+
+
+extern int scanf (__const char *__restrict __format, ...) ;
+
+extern int sscanf (__const char *__restrict __s,
+     __const char *__restrict __format, ...) throw ();
+# 465 "/usr/include/stdio.h" 3 4
+
+
+
+
+
+
+
+
+extern int vfscanf (FILE *__restrict __s, __const char *__restrict __format,
+      __gnuc_va_list __arg)
+     __attribute__ ((__format__ (__scanf__, 2, 0))) ;
+
+
+
+
+
+extern int vscanf (__const char *__restrict __format, __gnuc_va_list __arg)
+     __attribute__ ((__format__ (__scanf__, 1, 0))) ;
+
+
+extern int vsscanf (__const char *__restrict __s,
+      __const char *__restrict __format, __gnuc_va_list __arg)
+     throw () __attribute__ ((__format__ (__scanf__, 2, 0)));
+# 524 "/usr/include/stdio.h" 3 4
+
+
+
+
+
+
+
+
+
+extern int fgetc (FILE *__stream);
+extern int getc (FILE *__stream);
+
+
+
+
+
+extern int getchar (void);
+
+# 552 "/usr/include/stdio.h" 3 4
+extern int getc_unlocked (FILE *__stream);
+extern int getchar_unlocked (void);
+# 563 "/usr/include/stdio.h" 3 4
+extern int fgetc_unlocked (FILE *__stream);
+
+
+
+
+
+
+
+
+
+
+
+extern int fputc (int __c, FILE *__stream);
+extern int putc (int __c, FILE *__stream);
+
+
+
+
+
+extern int putchar (int __c);
+
+# 596 "/usr/include/stdio.h" 3 4
+extern int fputc_unlocked (int __c, FILE *__stream);
+
+
+
+
+
+
+
+extern int putc_unlocked (int __c, FILE *__stream);
+extern int putchar_unlocked (int __c);
+
+
+
+
+
+
+extern int getw (FILE *__stream);
+
+
+extern int putw (int __w, FILE *__stream);
+
+
+
+
+
+
+
+
+extern char *fgets (char *__restrict __s, int __n, FILE *__restrict __stream)
+     ;
+
+
+
+
+
+
+extern char *gets (char *__s) ;
+
+# 642 "/usr/include/stdio.h" 3 4
+extern char *fgets_unlocked (char *__restrict __s, int __n,
+        FILE *__restrict __stream) ;
+# 658 "/usr/include/stdio.h" 3 4
+extern __ssize_t __getdelim (char **__restrict __lineptr,
+          size_t *__restrict __n, int __delimiter,
+          FILE *__restrict __stream) ;
+extern __ssize_t getdelim (char **__restrict __lineptr,
+        size_t *__restrict __n, int __delimiter,
+        FILE *__restrict __stream) ;
+
+
+
+
+
+
+
+extern __ssize_t getline (char **__restrict __lineptr,
+       size_t *__restrict __n,
+       FILE *__restrict __stream) ;
+
+
+
+
+
+
+
+
+extern int fputs (__const char *__restrict __s, FILE *__restrict __stream);
+
+
+
+
+
+extern int puts (__const char *__s);
+
+
+
+
+
+
+extern int ungetc (int __c, FILE *__stream);
+
+
+
+
+
+
+extern size_t fread (void *__restrict __ptr, size_t __size,
+       size_t __n, FILE *__restrict __stream) ;
+
+
+
+
+extern size_t fwrite (__const void *__restrict __ptr, size_t __size,
+        size_t __n, FILE *__restrict __s);
+
+# 719 "/usr/include/stdio.h" 3 4
+extern int fputs_unlocked (__const char *__restrict __s,
+      FILE *__restrict __stream);
+# 730 "/usr/include/stdio.h" 3 4
+extern size_t fread_unlocked (void *__restrict __ptr, size_t __size,
+         size_t __n, FILE *__restrict __stream) ;
+extern size_t fwrite_unlocked (__const void *__restrict __ptr, size_t __size,
+          size_t __n, FILE *__restrict __stream);
+
+
+
+
+
+
+
+
+extern int fseek (FILE *__stream, long int __off, int __whence);
+
+
+
+
+extern long int ftell (FILE *__stream) ;
+
+
+
+
+extern void rewind (FILE *__stream);
+
+# 766 "/usr/include/stdio.h" 3 4
+extern int fseeko (FILE *__stream, __off_t __off, int __whence);
+
+
+
+
+extern __off_t ftello (FILE *__stream) ;
+# 785 "/usr/include/stdio.h" 3 4
+
+
+
+
+
+
+extern int fgetpos (FILE *__restrict __stream, fpos_t *__restrict __pos);
+
+
+
+
+extern int fsetpos (FILE *__stream, __const fpos_t *__pos);
+# 808 "/usr/include/stdio.h" 3 4
+
+
+
+extern int fseeko64 (FILE *__stream, __off64_t __off, int __whence);
+extern __off64_t ftello64 (FILE *__stream) ;
+extern int fgetpos64 (FILE *__restrict __stream, fpos64_t *__restrict __pos);
+extern int fsetpos64 (FILE *__stream, __const fpos64_t *__pos);
+
+
+
+
+extern void clearerr (FILE *__stream) throw ();
+
+extern int feof (FILE *__stream) throw () ;
+
+extern int ferror (FILE *__stream) throw () ;
+
+
+
+
+extern void clearerr_unlocked (FILE *__stream) throw ();
+extern int feof_unlocked (FILE *__stream) throw () ;
+extern int ferror_unlocked (FILE *__stream) throw () ;
+
+
+
+
+
+
+
+
+extern void perror (__const char *__s);
+
+
+
+
+
+
+# 1 "/usr/include/x86_64-linux-gnu/bits/sys_errlist.h" 1 3 4
+# 27 "/usr/include/x86_64-linux-gnu/bits/sys_errlist.h" 3 4
+extern int sys_nerr;
+extern __const char *__const sys_errlist[];
+
+
+extern int _sys_nerr;
+extern __const char *__const _sys_errlist[];
+# 847 "/usr/include/stdio.h" 2 3 4
+
+
+
+
+extern int fileno (FILE *__stream) throw () ;
+
+
+
+
+extern int fileno_unlocked (FILE *__stream) throw () ;
+# 866 "/usr/include/stdio.h" 3 4
+extern FILE *popen (__const char *__command, __const char *__modes) ;
+
+
+
+
+
+extern int pclose (FILE *__stream);
+
+
+
+
+
+extern char *ctermid (char *__s) throw ();
+
+
+
+
+
+extern char *cuserid (char *__s);
+
+
+
+
+struct obstack;
+
+
+extern int obstack_printf (struct obstack *__restrict __obstack,
+      __const char *__restrict __format, ...)
+     throw () __attribute__ ((__format__ (__printf__, 2, 3)));
+extern int obstack_vprintf (struct obstack *__restrict __obstack,
+       __const char *__restrict __format,
+       __gnuc_va_list __args)
+     throw () __attribute__ ((__format__ (__printf__, 2, 0)));
+
+
+
+
+
+
+
+extern void flockfile (FILE *__stream) throw ();
+
+
+
+extern int ftrylockfile (FILE *__stream) throw () ;
+
+
+extern void funlockfile (FILE *__stream) throw ();
+# 927 "/usr/include/stdio.h" 3 4
+# 1 "/usr/include/x86_64-linux-gnu/bits/stdio.h" 1 3 4
+# 36 "/usr/include/x86_64-linux-gnu/bits/stdio.h" 3 4
+extern __inline __attribute__ ((__gnu_inline__)) int
+vprintf (__const char *__restrict __fmt, __gnuc_va_list __arg)
+{
+  return vfprintf (stdout, __fmt, __arg);
+}
+
+
+
+extern __inline __attribute__ ((__gnu_inline__)) int
+getchar (void)
+{
+  return _IO_getc (stdin);
+}
+
+
+
+
+extern __inline __attribute__ ((__gnu_inline__)) int
+fgetc_unlocked (FILE *__fp)
+{
+  return (__builtin_expect (((__fp)->_IO_read_ptr >= (__fp)->_IO_read_end), 0) ? __uflow (__fp) : *(unsigned char *) (__fp)->_IO_read_ptr++);
+}
+
+
+
+
+
+extern __inline __attribute__ ((__gnu_inline__)) int
+getc_unlocked (FILE *__fp)
+{
+  return (__builtin_expect (((__fp)->_IO_read_ptr >= (__fp)->_IO_read_end), 0) ? __uflow (__fp) : *(unsigned char *) (__fp)->_IO_read_ptr++);
+}
+
+
+extern __inline __attribute__ ((__gnu_inline__)) int
+getchar_unlocked (void)
+{
+  return (__builtin_expect (((stdin)->_IO_read_ptr >= (stdin)->_IO_read_end), 0) ? __uflow (stdin) : *(unsigned char *) (stdin)->_IO_read_ptr++);
+}
+
+
+
+
+extern __inline __attribute__ ((__gnu_inline__)) int
+putchar (int __c)
+{
+  return _IO_putc (__c, stdout);
+}
+
+
+
+
+extern __inline __attribute__ ((__gnu_inline__)) int
+fputc_unlocked (int __c, FILE *__stream)
+{
+  return (__builtin_expect (((__stream)->_IO_write_ptr >= (__stream)->_IO_write_end), 0) ? __overflow (__stream, (unsigned char) (__c)) : (unsigned char) (*(__stream)->_IO_write_ptr++ = (__c)));
+}
+
+
+
+
+
+extern __inline __attribute__ ((__gnu_inline__)) int
+putc_unlocked (int __c, FILE *__stream)
+{
+  return (__builtin_expect (((__stream)->_IO_write_ptr >= (__stream)->_IO_write_end), 0) ? __overflow (__stream, (unsigned char) (__c)) : (unsigned char) (*(__stream)->_IO_write_ptr++ = (__c)));
+}
+
+
+extern __inline __attribute__ ((__gnu_inline__)) int
+putchar_unlocked (int __c)
+{
+  return (__builtin_expect (((stdout)->_IO_write_ptr >= (stdout)->_IO_write_end), 0) ? __overflow (stdout, (unsigned char) (__c)) : (unsigned char) (*(stdout)->_IO_write_ptr++ = (__c)));
+}
+
+
+
+
+
+extern __inline __attribute__ ((__gnu_inline__)) __ssize_t
+getline (char **__lineptr, size_t *__n, FILE *__stream)
+{
+  return __getdelim (__lineptr, __n, '\n', __stream);
+}
+
+
+
+
+
+extern __inline __attribute__ ((__gnu_inline__)) int
+feof_unlocked (FILE *__stream) throw ()
+{
+  return (((__stream)->_flags & 0x10) != 0);
+}
+
+
+extern __inline __attribute__ ((__gnu_inline__)) int
+ferror_unlocked (FILE *__stream) throw ()
+{
+  return (((__stream)->_flags & 0x20) != 0);
+}
+# 928 "/usr/include/stdio.h" 2 3 4
+# 936 "/usr/include/stdio.h" 3 4
+}
+# 43 "/aux/hubicka/trunk-install/include/c++/6.0.0/cstdio" 2 3
+# 96 "/aux/hubicka/trunk-install/include/c++/6.0.0/cstdio" 3
+namespace std
+{
+  using ::FILE;
+  using ::fpos_t;
+
+  using ::clearerr;
+  using ::fclose;
+  using ::feof;
+  using ::ferror;
+  using ::fflush;
+  using ::fgetc;
+  using ::fgetpos;
+  using ::fgets;
+  using ::fopen;
+  using ::fprintf;
+  using ::fputc;
+  using ::fputs;
+  using ::fread;
+  using ::freopen;
+  using ::fscanf;
+  using ::fseek;
+  using ::fsetpos;
+  using ::ftell;
+  using ::fwrite;
+  using ::getc;
+  using ::getchar;
+
+
+
+
+  using ::perror;
+  using ::printf;
+  using ::putc;
+  using ::putchar;
+  using ::puts;
+  using ::remove;
+  using ::rename;
+  using ::rewind;
+  using ::scanf;
+  using ::setbuf;
+  using ::setvbuf;
+  using ::sprintf;
+  using ::sscanf;
+  using ::tmpfile;
+
+  using ::tmpnam;
+
+  using ::ungetc;
+  using ::vfprintf;
+  using ::vprintf;
+  using ::vsprintf;
+}
+# 157 "/aux/hubicka/trunk-install/include/c++/6.0.0/cstdio" 3
+namespace __gnu_cxx
+{
+# 175 "/aux/hubicka/trunk-install/include/c++/6.0.0/cstdio" 3
+  using ::snprintf;
+  using ::vfscanf;
+  using ::vscanf;
+  using ::vsnprintf;
+  using ::vsscanf;
+
+}
+
+namespace std
+{
+  using ::__gnu_cxx::snprintf;
+  using ::__gnu_cxx::vfscanf;
+  using ::__gnu_cxx::vscanf;
+  using ::__gnu_cxx::vsnprintf;
+  using ::__gnu_cxx::vsscanf;
+}
+# 44 "/aux/hubicka/trunk-install/include/c++/6.0.0/ext/string_conversions.h" 2 3
+# 1 "/aux/hubicka/trunk-install/include/c++/6.0.0/cerrno" 1 3
+# 39 "/aux/hubicka/trunk-install/include/c++/6.0.0/cerrno" 3
+       
+# 40 "/aux/hubicka/trunk-install/include/c++/6.0.0/cerrno" 3
+
+
+# 1 "/usr/include/errno.h" 1 3 4
+# 32 "/usr/include/errno.h" 3 4
+extern "C" {
+
+
+
+# 1 "/usr/include/x86_64-linux-gnu/bits/errno.h" 1 3 4
+# 25 "/usr/include/x86_64-linux-gnu/bits/errno.h" 3 4
+# 1 "/usr/include/linux/errno.h" 1 3 4
+# 1 "/usr/include/asm/errno.h" 1 3 4
+# 1 "/usr/include/asm-generic/errno.h" 1 3 4
+
+
+
+# 1 "/usr/include/asm-generic/errno-base.h" 1 3 4
+# 5 "/usr/include/asm-generic/errno.h" 2 3 4
+# 1 "/usr/include/asm/errno.h" 2 3 4
+# 1 "/usr/include/linux/errno.h" 2 3 4
+# 26 "/usr/include/x86_64-linux-gnu/bits/errno.h" 2 3 4
+# 47 "/usr/include/x86_64-linux-gnu/bits/errno.h" 3 4
+extern int *__errno_location (void) throw () __attribute__ ((__const__));
+# 37 "/usr/include/errno.h" 2 3 4
+# 55 "/usr/include/errno.h" 3 4
+extern char *program_invocation_name, *program_invocation_short_name;
+
+
+
+}
+# 69 "/usr/include/errno.h" 3 4
+typedef int error_t;
+# 43 "/aux/hubicka/trunk-install/include/c++/6.0.0/cerrno" 2 3
+# 45 "/aux/hubicka/trunk-install/include/c++/6.0.0/ext/string_conversions.h" 2 3
+
+namespace __gnu_cxx __attribute__ ((__visibility__ ("default")))
+{
+
+
+
+  template<typename _TRet, typename _Ret = _TRet, typename _CharT,
+    typename... _Base>
+    _Ret
+    __stoa(_TRet (*__convf) (const _CharT*, _CharT**, _Base...),
+    const char* __name, const _CharT* __str, std::size_t* __idx,
+    _Base... __base)
+    {
+      _Ret __ret;
+
+      _CharT* __endptr;
+
+      struct _Save_errno {
+ _Save_errno() : _M_errno((*__errno_location ())) { (*__errno_location ()) = 0; }
+ ~_Save_errno() { if ((*__errno_location ()) == 0) (*__errno_location ()) = _M_errno; }
+ int _M_errno;
+      } const __save_errno;
+
+      const _TRet __tmp = __convf(__str, &__endptr, __base...);
+
+      if (__endptr == __str)
+ std::__throw_invalid_argument(__name);
+      else if ((*__errno_location ()) == 34
+        || (std::__are_same<_Ret, int>::__value
+     && (__tmp < __numeric_traits<int>::__min
+         || __tmp > __numeric_traits<int>::__max)))
+ std::__throw_out_of_range(__name);
+      else
+ __ret = __tmp;
+
+      if (__idx)
+ *__idx = __endptr - __str;
+
+      return __ret;
+    }
+
+
+  template<typename _String, typename _CharT = typename _String::value_type>
+    _String
+    __to_xstring(int (*__convf) (_CharT*, std::size_t, const _CharT*,
+     __builtin_va_list), std::size_t __n,
+   const _CharT* __fmt, ...)
+    {
+
+
+      _CharT* __s = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
+         * __n));
+
+      __builtin_va_list __args;
+      __builtin_va_start(__args, __fmt);
+
+      const int __len = __convf(__s, __n, __fmt, __args);
+
+      __builtin_va_end(__args);
+
+      return _String(__s, __s + __len);
+    }
+
+
+}
+# 5393 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.h" 2 3
+
+namespace std __attribute__ ((__visibility__ ("default")))
+{
+
+namespace __cxx11 {
+
+
+  inline int
+  stoi(const string& __str, size_t* __idx = 0, int __base = 10)
+  { return __gnu_cxx::__stoa<long, int>(&std::strtol, "stoi", __str.c_str(),
+     __idx, __base); }
+
+  inline long
+  stol(const string& __str, size_t* __idx = 0, int __base = 10)
+  { return __gnu_cxx::__stoa(&std::strtol, "stol", __str.c_str(),
+        __idx, __base); }
+
+  inline unsigned long
+  stoul(const string& __str, size_t* __idx = 0, int __base = 10)
+  { return __gnu_cxx::__stoa(&std::strtoul, "stoul", __str.c_str(),
+        __idx, __base); }
+
+  inline long long
+  stoll(const string& __str, size_t* __idx = 0, int __base = 10)
+  { return __gnu_cxx::__stoa(&std::strtoll, "stoll", __str.c_str(),
+        __idx, __base); }
+
+  inline unsigned long long
+  stoull(const string& __str, size_t* __idx = 0, int __base = 10)
+  { return __gnu_cxx::__stoa(&std::strtoull, "stoull", __str.c_str(),
+        __idx, __base); }
+
+
+  inline float
+  stof(const string& __str, size_t* __idx = 0)
+  { return __gnu_cxx::__stoa(&std::strtof, "stof", __str.c_str(), __idx); }
+
+  inline double
+  stod(const string& __str, size_t* __idx = 0)
+  { return __gnu_cxx::__stoa(&std::strtod, "stod", __str.c_str(), __idx); }
+
+  inline long double
+  stold(const string& __str, size_t* __idx = 0)
+  { return __gnu_cxx::__stoa(&std::strtold, "stold", __str.c_str(), __idx); }
+
+
+
+
+  inline string
+  to_string(int __val)
+  { return __gnu_cxx::__to_xstring<string>(&std::vsnprintf, 4 * sizeof(int),
+        "%d", __val); }
+
+  inline string
+  to_string(unsigned __val)
+  { return __gnu_cxx::__to_xstring<string>(&std::vsnprintf,
+        4 * sizeof(unsigned),
+        "%u", __val); }
+
+  inline string
+  to_string(long __val)
+  { return __gnu_cxx::__to_xstring<string>(&std::vsnprintf, 4 * sizeof(long),
+        "%ld", __val); }
+
+  inline string
+  to_string(unsigned long __val)
+  { return __gnu_cxx::__to_xstring<string>(&std::vsnprintf,
+        4 * sizeof(unsigned long),
+        "%lu", __val); }
+
+  inline string
+  to_string(long long __val)
+  { return __gnu_cxx::__to_xstring<string>(&std::vsnprintf,
+        4 * sizeof(long long),
+        "%lld", __val); }
+
+  inline string
+  to_string(unsigned long long __val)
+  { return __gnu_cxx::__to_xstring<string>(&std::vsnprintf,
+        4 * sizeof(unsigned long long),
+        "%llu", __val); }
+
+  inline string
+  to_string(float __val)
+  {
+    const int __n =
+      __gnu_cxx::__numeric_traits<float>::__max_exponent10 + 20;
+    return __gnu_cxx::__to_xstring<string>(&std::vsnprintf, __n,
+        "%f", __val);
+  }
+
+  inline string
+  to_string(double __val)
+  {
+    const int __n =
+      __gnu_cxx::__numeric_traits<double>::__max_exponent10 + 20;
+    return __gnu_cxx::__to_xstring<string>(&std::vsnprintf, __n,
+        "%f", __val);
+  }
+
+  inline string
+  to_string(long double __val)
+  {
+    const int __n =
+      __gnu_cxx::__numeric_traits<long double>::__max_exponent10 + 20;
+    return __gnu_cxx::__to_xstring<string>(&std::vsnprintf, __n,
+        "%Lf", __val);
+  }
+
+
+  inline int
+  stoi(const wstring& __str, size_t* __idx = 0, int __base = 10)
+  { return __gnu_cxx::__stoa<long, int>(&std::wcstol, "stoi", __str.c_str(),
+     __idx, __base); }
+
+  inline long
+  stol(const wstring& __str, size_t* __idx = 0, int __base = 10)
+  { return __gnu_cxx::__stoa(&std::wcstol, "stol", __str.c_str(),
+        __idx, __base); }
+
+  inline unsigned long
+  stoul(const wstring& __str, size_t* __idx = 0, int __base = 10)
+  { return __gnu_cxx::__stoa(&std::wcstoul, "stoul", __str.c_str(),
+        __idx, __base); }
+
+  inline long long
+  stoll(const wstring& __str, size_t* __idx = 0, int __base = 10)
+  { return __gnu_cxx::__stoa(&std::wcstoll, "stoll", __str.c_str(),
+        __idx, __base); }
+
+  inline unsigned long long
+  stoull(const wstring& __str, size_t* __idx = 0, int __base = 10)
+  { return __gnu_cxx::__stoa(&std::wcstoull, "stoull", __str.c_str(),
+        __idx, __base); }
+
+
+  inline float
+  stof(const wstring& __str, size_t* __idx = 0)
+  { return __gnu_cxx::__stoa(&std::wcstof, "stof", __str.c_str(), __idx); }
+
+  inline double
+  stod(const wstring& __str, size_t* __idx = 0)
+  { return __gnu_cxx::__stoa(&std::wcstod, "stod", __str.c_str(), __idx); }
+
+  inline long double
+  stold(const wstring& __str, size_t* __idx = 0)
+  { return __gnu_cxx::__stoa(&std::wcstold, "stold", __str.c_str(), __idx); }
+
+
+
+  inline wstring
+  to_wstring(int __val)
+  { return __gnu_cxx::__to_xstring<wstring>(&std::vswprintf, 4 * sizeof(int),
+         L"%d", __val); }
+
+  inline wstring
+  to_wstring(unsigned __val)
+  { return __gnu_cxx::__to_xstring<wstring>(&std::vswprintf,
+         4 * sizeof(unsigned),
+         L"%u", __val); }
+
+  inline wstring
+  to_wstring(long __val)
+  { return __gnu_cxx::__to_xstring<wstring>(&std::vswprintf, 4 * sizeof(long),
+         L"%ld", __val); }
+
+  inline wstring
+  to_wstring(unsigned long __val)
+  { return __gnu_cxx::__to_xstring<wstring>(&std::vswprintf,
+         4 * sizeof(unsigned long),
+         L"%lu", __val); }
+
+  inline wstring
+  to_wstring(long long __val)
+  { return __gnu_cxx::__to_xstring<wstring>(&std::vswprintf,
+         4 * sizeof(long long),
+         L"%lld", __val); }
+
+  inline wstring
+  to_wstring(unsigned long long __val)
+  { return __gnu_cxx::__to_xstring<wstring>(&std::vswprintf,
+         4 * sizeof(unsigned long long),
+         L"%llu", __val); }
+
+  inline wstring
+  to_wstring(float __val)
+  {
+    const int __n =
+      __gnu_cxx::__numeric_traits<float>::__max_exponent10 + 20;
+    return __gnu_cxx::__to_xstring<wstring>(&std::vswprintf, __n,
+         L"%f", __val);
+  }
+
+  inline wstring
+  to_wstring(double __val)
+  {
+    const int __n =
+      __gnu_cxx::__numeric_traits<double>::__max_exponent10 + 20;
+    return __gnu_cxx::__to_xstring<wstring>(&std::vswprintf, __n,
+         L"%f", __val);
+  }
+
+  inline wstring
+  to_wstring(long double __val)
+  {
+    const int __n =
+      __gnu_cxx::__numeric_traits<long double>::__max_exponent10 + 20;
+    return __gnu_cxx::__to_xstring<wstring>(&std::vswprintf, __n,
+         L"%Lf", __val);
+  }
+
+
+
+}
+
+}
+
+
+
+
+
+# 1 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/functional_hash.h" 1 3
+# 33 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/functional_hash.h" 3
+       
+# 34 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/functional_hash.h" 3
+
+# 1 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/hash_bytes.h" 1 3
+# 33 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/hash_bytes.h" 3
+       
+# 34 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/hash_bytes.h" 3
+
+
+
+namespace std
+{
+
+
+
+
+
+
+
+  size_t
+  _Hash_bytes(const void* __ptr, size_t __len, size_t __seed);
+
+
+
+
+
+  size_t
+  _Fnv_hash_bytes(const void* __ptr, size_t __len, size_t __seed);
+
+
+}
+# 36 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/functional_hash.h" 2 3
+
+namespace std __attribute__ ((__visibility__ ("default")))
+{
+
+# 49 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/functional_hash.h" 3
+  template<typename _Result, typename _Arg>
+    struct __hash_base
+    {
+      typedef _Result result_type;
+      typedef _Arg argument_type;
+    };
+
+
+  template<typename _Tp>
+    struct hash;
+
+
+  template<typename _Tp, bool = is_enum<_Tp>::value>
+    struct __hash_enum
+    {
+    private:
+
+      __hash_enum(__hash_enum&&);
+      ~__hash_enum();
+    };
+
+
+  template<typename _Tp>
+    struct __hash_enum<_Tp, true> : public __hash_base<size_t, _Tp>
+    {
+      size_t
+      operator()(_Tp __val) const noexcept
+      {
+       using __type = typename underlying_type<_Tp>::type;
+       return hash<__type>{}(static_cast<__type>(__val));
+      }
+    };
+
+
+
+  template<typename _Tp>
+    struct hash : __hash_enum<_Tp>
+    { };
+
+
+  template<typename _Tp>
+    struct hash<_Tp*> : public __hash_base<size_t, _Tp*>
+    {
+      size_t
+      operator()(_Tp* __p) const noexcept
+      { return reinterpret_cast<size_t>(__p); }
+    };
+# 108 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/functional_hash.h" 3
+  template<> struct hash<bool> : public __hash_base<size_t, bool> { size_t operator()(bool __val) const noexcept { return static_cast<size_t>(__val); } };
+
+
+  template<> struct hash<char> : public __hash_base<size_t, char> { size_t operator()(char __val) const noexcept { return static_cast<size_t>(__val); } };
+
+
+  template<> struct hash<signed char> : public __hash_base<size_t, signed char> { size_t operator()(signed char __val) const noexcept { return static_cast<size_t>(__val); } };
+
+
+  template<> struct hash<unsigned char> : public __hash_base<size_t, unsigned char> { size_t operator()(unsigned char __val) const noexcept { return static_cast<size_t>(__val); } };
+
+
+  template<> struct hash<wchar_t> : public __hash_base<size_t, wchar_t> { size_t operator()(wchar_t __val) const noexcept { return static_cast<size_t>(__val); } };
+
+
+  template<> struct hash<char16_t> : public __hash_base<size_t, char16_t> { size_t operator()(char16_t __val) const noexcept { return static_cast<size_t>(__val); } };
+
+
+  template<> struct hash<char32_t> : public __hash_base<size_t, char32_t> { size_t operator()(char32_t __val) const noexcept { return static_cast<size_t>(__val); } };
+
+
+  template<> struct hash<short> : public __hash_base<size_t, short> { size_t operator()(short __val) const noexcept { return static_cast<size_t>(__val); } };
+
+
+  template<> struct hash<int> : public __hash_base<size_t, int> { size_t operator()(int __val) const noexcept { return static_cast<size_t>(__val); } };
+
+
+  template<> struct hash<long> : public __hash_base<size_t, long> { size_t operator()(long __val) const noexcept { return static_cast<size_t>(__val); } };
+
+
+  template<> struct hash<long long> : public __hash_base<size_t, long long> { size_t operator()(long long __val) const noexcept { return static_cast<size_t>(__val); } };
+
+
+  template<> struct hash<unsigned short> : public __hash_base<size_t, unsigned short> { size_t operator()(unsigned short __val) const noexcept { return static_cast<size_t>(__val); } };
+
+
+  template<> struct hash<unsigned int> : public __hash_base<size_t, unsigned int> { size_t operator()(unsigned int __val) const noexcept { return static_cast<size_t>(__val); } };
+
+
+  template<> struct hash<unsigned long> : public __hash_base<size_t, unsigned long> { size_t operator()(unsigned long __val) const noexcept { return static_cast<size_t>(__val); } };
+
+
+  template<> struct hash<unsigned long long> : public __hash_base<size_t, unsigned long long> { size_t operator()(unsigned long long __val) const noexcept { return static_cast<size_t>(__val); } };
+
+
+  template<> struct hash<__int128> : public __hash_base<size_t, __int128> { size_t operator()(__int128 __val) const noexcept { return static_cast<size_t>(__val); } };
+  template<> struct hash<__int128 unsigned> : public __hash_base<size_t, __int128 unsigned> { size_t operator()(__int128 unsigned __val) const noexcept { return static_cast<size_t>(__val); } };
+# 171 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/functional_hash.h" 3
+  struct _Hash_impl
+  {
+    static size_t
+    hash(const void* __ptr, size_t __clength,
+  size_t __seed = static_cast<size_t>(0xc70f6907UL))
+    { return _Hash_bytes(__ptr, __clength, __seed); }
+
+    template<typename _Tp>
+      static size_t
+      hash(const _Tp& __val)
+      { return hash(&__val, sizeof(__val)); }
+
+    template<typename _Tp>
+      static size_t
+      __hash_combine(const _Tp& __val, size_t __hash)
+      { return hash(&__val, sizeof(__val), __hash); }
+  };
+
+  struct _Fnv_hash_impl
+  {
+    static size_t
+    hash(const void* __ptr, size_t __clength,
+  size_t __seed = static_cast<size_t>(2166136261UL))
+    { return _Fnv_hash_bytes(__ptr, __clength, __seed); }
+
+    template<typename _Tp>
+      static size_t
+      hash(const _Tp& __val)
+      { return hash(&__val, sizeof(__val)); }
+
+    template<typename _Tp>
+      static size_t
+      __hash_combine(const _Tp& __val, size_t __hash)
+      { return hash(&__val, sizeof(__val), __hash); }
+  };
+
+
+  template<>
+    struct hash<float> : public __hash_base<size_t, float>
+    {
+      size_t
+      operator()(float __val) const noexcept
+      {
+
+ return __val != 0.0f ? std::_Hash_impl::hash(__val) : 0;
+      }
+    };
+
+
+  template<>
+    struct hash<double> : public __hash_base<size_t, double>
+    {
+      size_t
+      operator()(double __val) const noexcept
+      {
+
+ return __val != 0.0 ? std::_Hash_impl::hash(__val) : 0;
+      }
+    };
+
+
+  template<>
+    struct hash<long double>
+    : public __hash_base<size_t, long double>
+    {
+      __attribute__ ((__pure__)) size_t
+      operator()(long double __val) const noexcept;
+    };
+
+
+
+
+
+
+
+  template<typename _Hash>
+    struct __is_fast_hash : public std::true_type
+    { };
+
+  template<>
+    struct __is_fast_hash<hash<long double>> : public std::false_type
+    { };
+
+
+}
+# 5615 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.h" 2 3
+
+namespace std __attribute__ ((__visibility__ ("default")))
+{
+
+
+
+
+
+
+  template<>
+    struct hash<string>
+    : public __hash_base<size_t, string>
+    {
+      size_t
+      operator()(const string& __s) const noexcept
+      { return std::_Hash_impl::hash(__s.data(), __s.length()); }
+    };
+
+  template<>
+    struct __is_fast_hash<hash<string>> : std::false_type
+    { };
+
+
+
+  template<>
+    struct hash<wstring>
+    : public __hash_base<size_t, wstring>
+    {
+      size_t
+      operator()(const wstring& __s) const noexcept
+      { return std::_Hash_impl::hash(__s.data(),
+                                     __s.length() * sizeof(wchar_t)); }
+    };
+
+  template<>
+    struct __is_fast_hash<hash<wstring>> : std::false_type
+    { };
+
+
+
+
+
+  template<>
+    struct hash<u16string>
+    : public __hash_base<size_t, u16string>
+    {
+      size_t
+      operator()(const u16string& __s) const noexcept
+      { return std::_Hash_impl::hash(__s.data(),
+                                     __s.length() * sizeof(char16_t)); }
+    };
+
+  template<>
+    struct __is_fast_hash<hash<u16string>> : std::false_type
+    { };
+
+
+  template<>
+    struct hash<u32string>
+    : public __hash_base<size_t, u32string>
+    {
+      size_t
+      operator()(const u32string& __s) const noexcept
+      { return std::_Hash_impl::hash(__s.data(),
+                                     __s.length() * sizeof(char32_t)); }
+    };
+
+  template<>
+    struct __is_fast_hash<hash<u32string>> : std::false_type
+    { };
+
+
+
+
+
+
+  inline namespace literals
+  {
+  inline namespace string_literals
+  {
+
+    __attribute ((__abi_tag__ ("cxx11")))
+    inline basic_string<char>
+    operator""s(const char* __str, size_t __len)
+    { return basic_string<char>{__str, __len}; }
+
+
+    __attribute ((__abi_tag__ ("cxx11")))
+    inline basic_string<wchar_t>
+    operator""s(const wchar_t* __str, size_t __len)
+    { return basic_string<wchar_t>{__str, __len}; }
+
+
+
+    __attribute ((__abi_tag__ ("cxx11")))
+    inline basic_string<char16_t>
+    operator""s(const char16_t* __str, size_t __len)
+    { return basic_string<char16_t>{__str, __len}; }
+
+    __attribute ((__abi_tag__ ("cxx11")))
+    inline basic_string<char32_t>
+    operator""s(const char32_t* __str, size_t __len)
+    { return basic_string<char32_t>{__str, __len}; }
+
+
+  }
+  }
+
+
+
+
+}
+# 53 "/aux/hubicka/trunk-install/include/c++/6.0.0/string" 2 3
+# 1 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.tcc" 1 3
+# 42 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.tcc" 3
+       
+# 43 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.tcc" 3
+
+
+
+namespace std __attribute__ ((__visibility__ ("default")))
+{
+
+
+
+
+  template<typename _CharT, typename _Traits, typename _Alloc>
+    const typename basic_string<_CharT, _Traits, _Alloc>::size_type
+    basic_string<_CharT, _Traits, _Alloc>::npos;
+
+  template<typename _CharT, typename _Traits, typename _Alloc>
+    void
+    basic_string<_CharT, _Traits, _Alloc>::
+    swap(basic_string& __s) noexcept
+    {
+      if (this == &__s)
+ return;
+
+      _Alloc_traits::_S_on_swap(_M_get_allocator(), __s._M_get_allocator());
+
+      if (_M_is_local())
+ if (__s._M_is_local())
+   {
+     if (length() && __s.length())
+       {
+  _CharT __tmp_data[_S_local_capacity + 1];
+  traits_type::copy(__tmp_data, __s._M_local_buf,
+      _S_local_capacity + 1);
+  traits_type::copy(__s._M_local_buf, _M_local_buf,
+      _S_local_capacity + 1);
+  traits_type::copy(_M_local_buf, __tmp_data,
+      _S_local_capacity + 1);
+       }
+     else if (__s.length())
+       {
+  traits_type::copy(_M_local_buf, __s._M_local_buf,
+      _S_local_capacity + 1);
+  _M_length(__s.length());
+  __s._M_set_length(0);
+  return;
+       }
+     else if (length())
+       {
+  traits_type::copy(__s._M_local_buf, _M_local_buf,
+      _S_local_capacity + 1);
+  __s._M_length(length());
+  _M_set_length(0);
+  return;
+       }
+   }
+ else
+   {
+     const size_type __tmp_capacity = __s._M_allocated_capacity;
+     traits_type::copy(__s._M_local_buf, _M_local_buf,
+         _S_local_capacity + 1);
+     _M_data(__s._M_data());
+     __s._M_data(__s._M_local_buf);
+     _M_capacity(__tmp_capacity);
+   }
+      else
+ {
+   const size_type __tmp_capacity = _M_allocated_capacity;
+   if (__s._M_is_local())
+     {
+       traits_type::copy(_M_local_buf, __s._M_local_buf,
+    _S_local_capacity + 1);
+       __s._M_data(_M_data());
+       _M_data(_M_local_buf);
+     }
+   else
+     {
+       pointer __tmp_ptr = _M_data();
+       _M_data(__s._M_data());
+       __s._M_data(__tmp_ptr);
+       _M_capacity(__s._M_allocated_capacity);
+     }
+   __s._M_capacity(__tmp_capacity);
+ }
+
+      const size_type __tmp_length = length();
+      _M_length(__s.length());
+      __s._M_length(__tmp_length);
+    }
+
+  template<typename _CharT, typename _Traits, typename _Alloc>
+    typename basic_string<_CharT, _Traits, _Alloc>::pointer
+    basic_string<_CharT, _Traits, _Alloc>::
+    _M_create(size_type& __capacity, size_type __old_capacity)
+    {
+
+
+      if (__capacity > max_size())
+ std::__throw_length_error(("basic_string::_M_create"));
+
+
+
+
+      if (__capacity > __old_capacity && __capacity < 2 * __old_capacity)
+ {
+   __capacity = 2 * __old_capacity;
+
+   if (__capacity > max_size())
+     __capacity = max_size();
+ }
+
+
+
+      return _Alloc_traits::allocate(_M_get_allocator(), __capacity + 1);
+    }
+
+
+
+
+
+  template<typename _CharT, typename _Traits, typename _Alloc>
+    template<typename _InIterator>
+      void
+      basic_string<_CharT, _Traits, _Alloc>::
+      _M_construct(_InIterator __beg, _InIterator __end,
+     std::input_iterator_tag)
+      {
+ size_type __len = 0;
+ size_type __capacity = size_type(_S_local_capacity);
+
+ while (__beg != __end && __len < __capacity)
+   {
+     _M_data()[__len++] = *__beg;
+     ++__beg;
+   }
+
+ try
+   {
+     while (__beg != __end)
+       {
+  if (__len == __capacity)
+    {
+
+      __capacity = __len + 1;
+      pointer __another = _M_create(__capacity, __len);
+      this->_S_copy(__another, _M_data(), __len);
+      _M_dispose();
+      _M_data(__another);
+      _M_capacity(__capacity);
+    }
+  _M_data()[__len++] = *__beg;
+  ++__beg;
+       }
+   }
+ catch(...)
+   {
+     _M_dispose();
+     throw;
+   }
+
+ _M_set_length(__len);
+      }
+
+  template<typename _CharT, typename _Traits, typename _Alloc>
+    template<typename _InIterator>
+      void
+      basic_string<_CharT, _Traits, _Alloc>::
+      _M_construct(_InIterator __beg, _InIterator __end,
+     std::forward_iterator_tag)
+      {
+
+ if (__gnu_cxx::__is_null_pointer(__beg) && __beg != __end)
+   std::__throw_logic_error(("basic_string::" "_M_construct null not valid")
+                                         );
+
+ size_type __dnew = static_cast<size_type>(std::distance(__beg, __end));
+
+ if (__dnew > size_type(_S_local_capacity))
+   {
+     _M_data(_M_create(__dnew, size_type(0)));
+     _M_capacity(__dnew);
+   }
+
+
+ try
+   { this->_S_copy_chars(_M_data(), __beg, __end); }
+ catch(...)
+   {
+     _M_dispose();
+     throw;
+   }
+
+ _M_set_length(__dnew);
+      }
+
+  template<typename _CharT, typename _Traits, typename _Alloc>
+    void
+    basic_string<_CharT, _Traits, _Alloc>::
+    _M_construct(size_type __n, _CharT __c)
+    {
+      if (__n > size_type(_S_local_capacity))
+ {
+   _M_data(_M_create(__n, size_type(0)));
+   _M_capacity(__n);
+ }
+
+      if (__n)
+ this->_S_assign(_M_data(), __n, __c);
+
+      _M_set_length(__n);
+    }
+
+  template<typename _CharT, typename _Traits, typename _Alloc>
+    void
+    basic_string<_CharT, _Traits, _Alloc>::
+    _M_assign(const basic_string& __str)
+    {
+      if (this != &__str)
+ {
+   const size_type __rsize = __str.length();
+   const size_type __capacity = capacity();
+
+   if (__rsize > __capacity)
+     {
+       size_type __new_capacity = __rsize;
+       pointer __tmp = _M_create(__new_capacity, __capacity);
+       _M_dispose();
+       _M_data(__tmp);
+       _M_capacity(__new_capacity);
+     }
+
+   if (__rsize)
+     this->_S_copy(_M_data(), __str._M_data(), __rsize);
+
+   _M_set_length(__rsize);
+ }
+    }
+
+  template<typename _CharT, typename _Traits, typename _Alloc>
+    void
+    basic_string<_CharT, _Traits, _Alloc>::
+    reserve(size_type __res)
+    {
+
+      if (__res < length())
+ __res = length();
+
+      const size_type __capacity = capacity();
+      if (__res != __capacity)
+ {
+   if (__res > __capacity
+       || __res > size_type(_S_local_capacity))
+     {
+       pointer __tmp = _M_create(__res, __capacity);
+       this->_S_copy(__tmp, _M_data(), length() + 1);
+       _M_dispose();
+       _M_data(__tmp);
+       _M_capacity(__res);
+     }
+   else if (!_M_is_local())
+     {
+       this->_S_copy(_M_local_data(), _M_data(), length() + 1);
+       _M_destroy(__capacity);
+       _M_data(_M_local_data());
+     }
+ }
+    }
+
+  template<typename _CharT, typename _Traits, typename _Alloc>
+    void
+    basic_string<_CharT, _Traits, _Alloc>::
+    _M_mutate(size_type __pos, size_type __len1, const _CharT* __s,
+       size_type __len2)
+    {
+      const size_type __how_much = length() - __pos - __len1;
+
+      size_type __new_capacity = length() + __len2 - __len1;
+      pointer __r = _M_create(__new_capacity, capacity());
+
+      if (__pos)
+ this->_S_copy(__r, _M_data(), __pos);
+      if (__s && __len2)
+ this->_S_copy(__r + __pos, __s, __len2);
+      if (__how_much)
+ this->_S_copy(__r + __pos + __len2,
+        _M_data() + __pos + __len1, __how_much);
+
+      _M_dispose();
+      _M_data(__r);
+      _M_capacity(__new_capacity);
+    }
+
+  template<typename _CharT, typename _Traits, typename _Alloc>
+    void
+    basic_string<_CharT, _Traits, _Alloc>::
+    _M_erase(size_type __pos, size_type __n)
+    {
+      const size_type __how_much = length() - __pos - __n;
+
+      if (__how_much && __n)
+ this->_S_move(_M_data() + __pos, _M_data() + __pos + __n, __how_much);
+
+      _M_set_length(length() - __n);
+    }
+
+  template<typename _CharT, typename _Traits, typename _Alloc>
+    void
+    basic_string<_CharT, _Traits, _Alloc>::
+    resize(size_type __n, _CharT __c)
+    {
+      const size_type __size = this->size();
+      if (__size < __n)
+ this->append(__n - __size, __c);
+      else if (__n < __size)
+ this->_M_erase(__n, __size - __n);
+    }
+
+  template<typename _CharT, typename _Traits, typename _Alloc>
+    basic_string<_CharT, _Traits, _Alloc>&
+    basic_string<_CharT, _Traits, _Alloc>::
+    _M_append(const _CharT* __s, size_type __n)
+    {
+      const size_type __len = __n + this->size();
+
+      if (__len <= this->capacity())
+ {
+   if (__n)
+     this->_S_copy(this->_M_data() + this->size(), __s, __n);
+ }
+      else
+ this->_M_mutate(this->size(), size_type(0), __s, __n);
+
+      this->_M_set_length(__len);
+      return *this;
+    }
+
+  template<typename _CharT, typename _Traits, typename _Alloc>
+    template<typename _InputIterator>
+      basic_string<_CharT, _Traits, _Alloc>&
+      basic_string<_CharT, _Traits, _Alloc>::
+      _M_replace_dispatch(const_iterator __i1, const_iterator __i2,
+     _InputIterator __k1, _InputIterator __k2,
+     std::__false_type)
+      {
+ const basic_string __s(__k1, __k2);
+ const size_type __n1 = __i2 - __i1;
+ return _M_replace(__i1 - begin(), __n1, __s._M_data(),
+     __s.size());
+      }
+
+  template<typename _CharT, typename _Traits, typename _Alloc>
+    basic_string<_CharT, _Traits, _Alloc>&
+    basic_string<_CharT, _Traits, _Alloc>::
+    _M_replace_aux(size_type __pos1, size_type __n1, size_type __n2,
+     _CharT __c)
+    {
+      _M_check_length(__n1, __n2, "basic_string::_M_replace_aux");
+
+      const size_type __old_size = this->size();
+      const size_type __new_size = __old_size + __n2 - __n1;
+
+      if (__new_size <= this->capacity())
+ {
+   pointer __p = this->_M_data() + __pos1;
+
+   const size_type __how_much = __old_size - __pos1 - __n1;
+   if (__how_much && __n1 != __n2)
+     this->_S_move(__p + __n2, __p + __n1, __how_much);
+ }
+      else
+ this->_M_mutate(__pos1, __n1, 0, __n2);
+
+      if (__n2)
+ this->_S_assign(this->_M_data() + __pos1, __n2, __c);
+
+      this->_M_set_length(__new_size);
+      return *this;
+    }
+
+  template<typename _CharT, typename _Traits, typename _Alloc>
+    basic_string<_CharT, _Traits, _Alloc>&
+    basic_string<_CharT, _Traits, _Alloc>::
+    _M_replace(size_type __pos, size_type __len1, const _CharT* __s,
+        const size_type __len2)
+    {
+      _M_check_length(__len1, __len2, "basic_string::_M_replace");
+
+      const size_type __old_size = this->size();
+      const size_type __new_size = __old_size + __len2 - __len1;
+
+      if (__new_size <= this->capacity())
+ {
+   pointer __p = this->_M_data() + __pos;
+
+   const size_type __how_much = __old_size - __pos - __len1;
+   if (_M_disjunct(__s))
+     {
+       if (__how_much && __len1 != __len2)
+  this->_S_move(__p + __len2, __p + __len1, __how_much);
+       if (__len2)
+  this->_S_copy(__p, __s, __len2);
+     }
+   else
+     {
+
+       if (__len2 && __len2 <= __len1)
+  this->_S_move(__p, __s, __len2);
+       if (__how_much && __len1 != __len2)
+  this->_S_move(__p + __len2, __p + __len1, __how_much);
+       if (__len2 > __len1)
+  {
+    if (__s + __len2 <= __p + __len1)
+      this->_S_move(__p, __s, __len2);
+    else if (__s >= __p + __len1)
+      this->_S_copy(__p, __s + __len2 - __len1, __len2);
+    else
+      {
+        const size_type __nleft = (__p + __len1) - __s;
+        this->_S_move(__p, __s, __nleft);
+        this->_S_copy(__p + __nleft, __p + __len2,
+        __len2 - __nleft);
+      }
+  }
+     }
+ }
+      else
+ this->_M_mutate(__pos, __len1, __s, __len2);
+
+      this->_M_set_length(__new_size);
+      return *this;
+    }
+
+  template<typename _CharT, typename _Traits, typename _Alloc>
+    typename basic_string<_CharT, _Traits, _Alloc>::size_type
+    basic_string<_CharT, _Traits, _Alloc>::
+    copy(_CharT* __s, size_type __n, size_type __pos) const
+    {
+      _M_check(__pos, "basic_string::copy");
+      __n = _M_limit(__pos, __n);
+      ;
+      if (__n)
+ _S_copy(__s, _M_data() + __pos, __n);
+
+      return __n;
+    }
+# 1145 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_string.tcc" 3
+  template<typename _CharT, typename _Traits, typename _Alloc>
+    basic_string<_CharT, _Traits, _Alloc>
+    operator+(const _CharT* __lhs,
+       const basic_string<_CharT, _Traits, _Alloc>& __rhs)
+    {
+      ;
+      typedef basic_string<_CharT, _Traits, _Alloc> __string_type;
+      typedef typename __string_type::size_type __size_type;
+      const __size_type __len = _Traits::length(__lhs);
+      __string_type __str;
+      __str.reserve(__len + __rhs.size());
+      __str.append(__lhs, __len);
+      __str.append(__rhs);
+      return __str;
+    }
+
+  template<typename _CharT, typename _Traits, typename _Alloc>
+    basic_string<_CharT, _Traits, _Alloc>
+    operator+(_CharT __lhs, const basic_string<_CharT, _Traits, _Alloc>& __rhs)
+    {
+      typedef basic_string<_CharT, _Traits, _Alloc> __string_type;
+      typedef typename __string_type::size_type __size_type;
+      __string_type __str;
+      const __size_type __len = __rhs.size();
+      __str.reserve(__len + 1);
+      __str.append(__size_type(1), __lhs);
+      __str.append(__rhs);
+      return __str;
+    }
+
+  template<typename _CharT, typename _Traits, typename _Alloc>
+    typename basic_string<_CharT, _Traits, _Alloc>::size_type
+    basic_string<_CharT, _Traits, _Alloc>::
+    find(const _CharT* __s, size_type __pos, size_type __n) const
+    {
+      ;
+      const size_type __size = this->size();
+      const _CharT* __data = _M_data();
+
+      if (__n == 0)
+ return __pos <= __size ? __pos : npos;
+
+      if (__n <= __size)
+ {
+   for (; __pos <= __size - __n; ++__pos)
+     if (traits_type::eq(__data[__pos], __s[0])
+  && traits_type::compare(__data + __pos + 1,
+     __s + 1, __n - 1) == 0)
+       return __pos;
+ }
+      return npos;
+    }
+
+  template<typename _CharT, typename _Traits, typename _Alloc>
+    typename basic_string<_CharT, _Traits, _Alloc>::size_type
+    basic_string<_CharT, _Traits, _Alloc>::
+    find(_CharT __c, size_type __pos) const noexcept
+    {
+      size_type __ret = npos;
+      const size_type __size = this->size();
+      if (__pos < __size)
+ {
+   const _CharT* __data = _M_data();
+   const size_type __n = __size - __pos;
+   const _CharT* __p = traits_type::find(__data + __pos, __n, __c);
+   if (__p)
+     __ret = __p - __data;
+ }
+      return __ret;
+    }
+
+  template<typename _CharT, typename _Traits, typename _Alloc>
+    typename basic_string<_CharT, _Traits, _Alloc>::size_type
+    basic_string<_CharT, _Traits, _Alloc>::
+    rfind(const _CharT* __s, size_type __pos, size_type __n) const
+    {
+      ;
+      const size_type __size = this->size();
+      if (__n <= __size)
+ {
+   __pos = std::min(size_type(__size - __n), __pos);
+   const _CharT* __data = _M_data();
+   do
+     {
+       if (traits_type::compare(__data + __pos, __s, __n) == 0)
+  return __pos;
+     }
+   while (__pos-- > 0);
+ }
+      return npos;
+    }
+
+  template<typename _CharT, typename _Traits, typename _Alloc>
+    typename basic_string<_CharT, _Traits, _Alloc>::size_type
+    basic_string<_CharT, _Traits, _Alloc>::
+    rfind(_CharT __c, size_type __pos) const noexcept
+    {
+      size_type __size = this->size();
+      if (__size)
+ {
+   if (--__size > __pos)
+     __size = __pos;
+   for (++__size; __size-- > 0; )
+     if (traits_type::eq(_M_data()[__size], __c))
+       return __size;
+ }
+      return npos;
+    }
+
+  template<typename _CharT, typename _Traits, typename _Alloc>
+    typename basic_string<_CharT, _Traits, _Alloc>::size_type
+    basic_string<_CharT, _Traits, _Alloc>::
+    find_first_of(const _CharT* __s, size_type __pos, size_type __n) const
+    {
+      ;
+      for (; __n && __pos < this->size(); ++__pos)
+ {
+   const _CharT* __p = traits_type::find(__s, __n, _M_data()[__pos]);
+   if (__p)
+     return __pos;
+ }
+      return npos;
+    }
+
+  template<typename _CharT, typename _Traits, typename _Alloc>
+    typename basic_string<_CharT, _Traits, _Alloc>::size_type
+    basic_string<_CharT, _Traits, _Alloc>::
+    find_last_of(const _CharT* __s, size_type __pos, size_type __n) const
+    {
+      ;
+      size_type __size = this->size();
+      if (__size && __n)
+ {
+   if (--__size > __pos)
+     __size = __pos;
+   do
+     {
+       if (traits_type::find(__s, __n, _M_data()[__size]))
+  return __size;
+     }
+   while (__size-- != 0);
+ }
+      return npos;
+    }
+
+  template<typename _CharT, typename _Traits, typename _Alloc>
+    typename basic_string<_CharT, _Traits, _Alloc>::size_type
+    basic_string<_CharT, _Traits, _Alloc>::
+    find_first_not_of(const _CharT* __s, size_type __pos, size_type __n) const
+    {
+      ;
+      for (; __pos < this->size(); ++__pos)
+ if (!traits_type::find(__s, __n, _M_data()[__pos]))
+   return __pos;
+      return npos;
+    }
+
+  template<typename _CharT, typename _Traits, typename _Alloc>
+    typename basic_string<_CharT, _Traits, _Alloc>::size_type
+    basic_string<_CharT, _Traits, _Alloc>::
+    find_first_not_of(_CharT __c, size_type __pos) const noexcept
+    {
+      for (; __pos < this->size(); ++__pos)
+ if (!traits_type::eq(_M_data()[__pos], __c))
+   return __pos;
+      return npos;
+    }
+
+  template<typename _CharT, typename _Traits, typename _Alloc>
+    typename basic_string<_CharT, _Traits, _Alloc>::size_type
+    basic_string<_CharT, _Traits, _Alloc>::
+    find_last_not_of(const _CharT* __s, size_type __pos, size_type __n) const
+    {
+      ;
+      size_type __size = this->size();
+      if (__size)
+ {
+   if (--__size > __pos)
+     __size = __pos;
+   do
+     {
+       if (!traits_type::find(__s, __n, _M_data()[__size]))
+  return __size;
+     }
+   while (__size--);
+ }
+      return npos;
+    }
+
+  template<typename _CharT, typename _Traits, typename _Alloc>
+    typename basic_string<_CharT, _Traits, _Alloc>::size_type
+    basic_string<_CharT, _Traits, _Alloc>::
+    find_last_not_of(_CharT __c, size_type __pos) const noexcept
+    {
+      size_type __size = this->size();
+      if (__size)
+ {
+   if (--__size > __pos)
+     __size = __pos;
+   do
+     {
+       if (!traits_type::eq(_M_data()[__size], __c))
+  return __size;
+     }
+   while (__size--);
+ }
+      return npos;
+    }
+
+  template<typename _CharT, typename _Traits, typename _Alloc>
+    int
+    basic_string<_CharT, _Traits, _Alloc>::
+    compare(size_type __pos, size_type __n, const basic_string& __str) const
+    {
+      _M_check(__pos, "basic_string::compare");
+      __n = _M_limit(__pos, __n);
+      const size_type __osize = __str.size();
+      const size_type __len = std::min(__n, __osize);
+      int __r = traits_type::compare(_M_data() + __pos, __str.data(), __len);
+      if (!__r)
+ __r = _S_compare(__n, __osize);
+      return __r;
+    }
+
+  template<typename _CharT, typename _Traits, typename _Alloc>
+    int
+    basic_string<_CharT, _Traits, _Alloc>::
+    compare(size_type __pos1, size_type __n1, const basic_string& __str,
+     size_type __pos2, size_type __n2) const
+    {
+      _M_check(__pos1, "basic_string::compare");
+      __str._M_check(__pos2, "basic_string::compare");
+      __n1 = _M_limit(__pos1, __n1);
+      __n2 = __str._M_limit(__pos2, __n2);
+      const size_type __len = std::min(__n1, __n2);
+      int __r = traits_type::compare(_M_data() + __pos1,
+         __str.data() + __pos2, __len);
+      if (!__r)
+ __r = _S_compare(__n1, __n2);
+      return __r;
+    }
+
+  template<typename _CharT, typename _Traits, typename _Alloc>
+    int
+    basic_string<_CharT, _Traits, _Alloc>::
+    compare(const _CharT* __s) const
+    {
+      ;
+      const size_type __size = this->size();
+      const size_type __osize = traits_type::length(__s);
+      const size_type __len = std::min(__size, __osize);
+      int __r = traits_type::compare(_M_data(), __s, __len);
+      if (!__r)
+ __r = _S_compare(__size, __osize);
+      return __r;
+    }
+
+  template<typename _CharT, typename _Traits, typename _Alloc>
+    int
+    basic_string <_CharT, _Traits, _Alloc>::
+    compare(size_type __pos, size_type __n1, const _CharT* __s) const
+    {
+      ;
+      _M_check(__pos, "basic_string::compare");
+      __n1 = _M_limit(__pos, __n1);
+      const size_type __osize = traits_type::length(__s);
+      const size_type __len = std::min(__n1, __osize);
+      int __r = traits_type::compare(_M_data() + __pos, __s, __len);
+      if (!__r)
+ __r = _S_compare(__n1, __osize);
+      return __r;
+    }
+
+  template<typename _CharT, typename _Traits, typename _Alloc>
+    int
+    basic_string <_CharT, _Traits, _Alloc>::
+    compare(size_type __pos, size_type __n1, const _CharT* __s,
+     size_type __n2) const
+    {
+      ;
+      _M_check(__pos, "basic_string::compare");
+      __n1 = _M_limit(__pos, __n1);
+      const size_type __len = std::min(__n1, __n2);
+      int __r = traits_type::compare(_M_data() + __pos, __s, __len);
+      if (!__r)
+ __r = _S_compare(__n1, __n2);
+      return __r;
+    }
+
+
+  template<typename _CharT, typename _Traits, typename _Alloc>
+    basic_istream<_CharT, _Traits>&
+    operator>>(basic_istream<_CharT, _Traits>& __in,
+        basic_string<_CharT, _Traits, _Alloc>& __str)
+    {
+      typedef basic_istream<_CharT, _Traits> __istream_type;
+      typedef basic_string<_CharT, _Traits, _Alloc> __string_type;
+      typedef typename __istream_type::ios_base __ios_base;
+      typedef typename __istream_type::int_type __int_type;
+      typedef typename __string_type::size_type __size_type;
+      typedef ctype<_CharT> __ctype_type;
+      typedef typename __ctype_type::ctype_base __ctype_base;
+
+      __size_type __extracted = 0;
+      typename __ios_base::iostate __err = __ios_base::goodbit;
+      typename __istream_type::sentry __cerb(__in, false);
+      if (__cerb)
+ {
+   try
+     {
+
+       __str.erase();
+       _CharT __buf[128];
+       __size_type __len = 0;
+       const streamsize __w = __in.width();
+       const __size_type __n = __w > 0 ? static_cast<__size_type>(__w)
+                                : __str.max_size();
+       const __ctype_type& __ct = use_facet<__ctype_type>(__in.getloc());
+       const __int_type __eof = _Traits::eof();
+       __int_type __c = __in.rdbuf()->sgetc();
+
+       while (__extracted < __n
+       && !_Traits::eq_int_type(__c, __eof)
+       && !__ct.is(__ctype_base::space,
+     _Traits::to_char_type(__c)))
+  {
+    if (__len == sizeof(__buf) / sizeof(_CharT))
+      {
+        __str.append(__buf, sizeof(__buf) / sizeof(_CharT));
+        __len = 0;
+      }
+    __buf[__len++] = _Traits::to_char_type(__c);
+    ++__extracted;
+    __c = __in.rdbuf()->snextc();
+  }
+       __str.append(__buf, __len);
+
+       if (_Traits::eq_int_type(__c, __eof))
+  __err |= __ios_base::eofbit;
+       __in.width(0);
+     }
+   catch(__cxxabiv1::__forced_unwind&)
+     {
+       __in._M_setstate(__ios_base::badbit);
+       throw;
+     }
+   catch(...)
+     {
+
+
+
+       __in._M_setstate(__ios_base::badbit);
+     }
+ }
+
+      if (!__extracted)
+ __err |= __ios_base::failbit;
+      if (__err)
+ __in.setstate(__err);
+      return __in;
+    }
+
+  template<typename _CharT, typename _Traits, typename _Alloc>
+    basic_istream<_CharT, _Traits>&
+    getline(basic_istream<_CharT, _Traits>& __in,
+     basic_string<_CharT, _Traits, _Alloc>& __str, _CharT __delim)
+    {
+      typedef basic_istream<_CharT, _Traits> __istream_type;
+      typedef basic_string<_CharT, _Traits, _Alloc> __string_type;
+      typedef typename __istream_type::ios_base __ios_base;
+      typedef typename __istream_type::int_type __int_type;
+      typedef typename __string_type::size_type __size_type;
+
+      __size_type __extracted = 0;
+      const __size_type __n = __str.max_size();
+      typename __ios_base::iostate __err = __ios_base::goodbit;
+      typename __istream_type::sentry __cerb(__in, true);
+      if (__cerb)
+ {
+   try
+     {
+       __str.erase();
+       const __int_type __idelim = _Traits::to_int_type(__delim);
+       const __int_type __eof = _Traits::eof();
+       __int_type __c = __in.rdbuf()->sgetc();
+
+       while (__extracted < __n
+       && !_Traits::eq_int_type(__c, __eof)
+       && !_Traits::eq_int_type(__c, __idelim))
+  {
+    __str += _Traits::to_char_type(__c);
+    ++__extracted;
+    __c = __in.rdbuf()->snextc();
+  }
+
+       if (_Traits::eq_int_type(__c, __eof))
+  __err |= __ios_base::eofbit;
+       else if (_Traits::eq_int_type(__c, __idelim))
+  {
+    ++__extracted;
+    __in.rdbuf()->sbumpc();
+  }
+       else
+  __err |= __ios_base::failbit;
+     }
+   catch(__cxxabiv1::__forced_unwind&)
+     {
+       __in._M_setstate(__ios_base::badbit);
+       throw;
+     }
+   catch(...)
+     {
+
+
+
+       __in._M_setstate(__ios_base::badbit);
+     }
+ }
+      if (!__extracted)
+ __err |= __ios_base::failbit;
+      if (__err)
+ __in.setstate(__err);
+      return __in;
+    }
+
+
+
+
+  extern template class basic_string<char>;
+  extern template
+    basic_istream<char>&
+    operator>>(basic_istream<char>&, string&);
+  extern template
+    basic_ostream<char>&
+    operator<<(basic_ostream<char>&, const string&);
+  extern template
+    basic_istream<char>&
+    getline(basic_istream<char>&, string&, char);
+  extern template
+    basic_istream<char>&
+    getline(basic_istream<char>&, string&);
+
+
+  extern template class basic_string<wchar_t>;
+  extern template
+    basic_istream<wchar_t>&
+    operator>>(basic_istream<wchar_t>&, wstring&);
+  extern template
+    basic_ostream<wchar_t>&
+    operator<<(basic_ostream<wchar_t>&, const wstring&);
+  extern template
+    basic_istream<wchar_t>&
+    getline(basic_istream<wchar_t>&, wstring&, wchar_t);
+  extern template
+    basic_istream<wchar_t>&
+    getline(basic_istream<wchar_t>&, wstring&);
+
+
+
+
+}
+# 54 "/aux/hubicka/trunk-install/include/c++/6.0.0/string" 2 3
+# 41 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_classes.h" 2 3
+
+
+namespace std __attribute__ ((__visibility__ ("default")))
+{
+
+# 62 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_classes.h" 3
+  class locale
+  {
+  public:
+
+
+    typedef int category;
+
+
+    class facet;
+    class id;
+    class _Impl;
+
+    friend class facet;
+    friend class _Impl;
+
+    template<typename _Facet>
+      friend bool
+      has_facet(const locale&) throw();
+
+    template<typename _Facet>
+      friend const _Facet&
+      use_facet(const locale&);
+
+    template<typename _Cache>
+      friend struct __use_cache;
+# 98 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_classes.h" 3
+    static const category none = 0;
+    static const category ctype = 1L << 0;
+    static const category numeric = 1L << 1;
+    static const category collate = 1L << 2;
+    static const category time = 1L << 3;
+    static const category monetary = 1L << 4;
+    static const category messages = 1L << 5;
+    static const category all = (ctype | numeric | collate |
+        time | monetary | messages);
+# 117 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_classes.h" 3
+    locale() throw();
+# 126 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_classes.h" 3
+    locale(const locale& __other) throw();
+# 136 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_classes.h" 3
+    explicit
+    locale(const char* __s);
+# 151 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_classes.h" 3
+    locale(const locale& __base, const char* __s, category __cat);
+# 162 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_classes.h" 3
+    explicit
+    locale(const std::string& __s) : locale(__s.c_str()) { }
+# 177 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_classes.h" 3
+    locale(const locale& __base, const std::string& __s, category __cat)
+    : locale(__base, __s.c_str(), __cat) { }
+# 192 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_classes.h" 3
+    locale(const locale& __base, const locale& __add, category __cat);
+# 205 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_classes.h" 3
+    template<typename _Facet>
+      locale(const locale& __other, _Facet* __f);
+
+
+    ~locale() throw();
+# 219 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_classes.h" 3
+    const locale&
+    operator=(const locale& __other) throw();
+# 234 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_classes.h" 3
+    template<typename _Facet>
+      locale
+      combine(const locale& __other) const;
+
+
+
+
+
+
+    __attribute ((__abi_tag__ ("cxx11")))
+    string
+    name() const;
+# 254 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_classes.h" 3
+    bool
+    operator==(const locale& __other) const throw();
+
+
+
+
+
+
+
+    bool
+    operator!=(const locale& __other) const throw()
+    { return !(this->operator==(__other)); }
+# 282 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_classes.h" 3
+    template<typename _Char, typename _Traits, typename _Alloc>
+      bool
+      operator()(const basic_string<_Char, _Traits, _Alloc>& __s1,
+   const basic_string<_Char, _Traits, _Alloc>& __s2) const;
+# 298 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_classes.h" 3
+    static locale
+    global(const locale& __loc);
+
+
+
+
+    static const locale&
+    classic();
+
+  private:
+
+    _Impl* _M_impl;
+
+
+    static _Impl* _S_classic;
+
+
+    static _Impl* _S_global;
+
+
+
+
+
+    static const char* const* const _S_categories;
+# 333 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_classes.h" 3
+    enum { _S_categories_size = 6 + 6 };
+
+
+    static __gthread_once_t _S_once;
+
+
+    explicit
+    locale(_Impl*) throw();
+
+    static void
+    _S_initialize();
+
+    static void
+    _S_initialize_once() throw();
+
+    static category
+    _S_normalize_category(category);
+
+    void
+    _M_coalesce(const locale& __base, const locale& __add, category __cat);
+
+
+    static const id* const _S_twinned_facets[];
+
+  };
+# 371 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_classes.h" 3
+  class locale::facet
+  {
+  private:
+    friend class locale;
+    friend class locale::_Impl;
+
+    mutable _Atomic_word _M_refcount;
+
+
+    static __c_locale _S_c_locale;
+
+
+    static const char _S_c_name[2];
+
+
+    static __gthread_once_t _S_once;
+
+
+    static void
+    _S_initialize_once();
+
+  protected:
+# 402 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_classes.h" 3
+    explicit
+    facet(size_t __refs = 0) throw() : _M_refcount(__refs ? 1 : 0)
+    { }
+
+
+    virtual
+    ~facet();
+
+    static void
+    _S_create_c_locale(__c_locale& __cloc, const char* __s,
+         __c_locale __old = 0);
+
+    static __c_locale
+    _S_clone_c_locale(__c_locale& __cloc) throw();
+
+    static void
+    _S_destroy_c_locale(__c_locale& __cloc);
+
+    static __c_locale
+    _S_lc_ctype_c_locale(__c_locale __cloc, const char* __s);
+
+
+
+    static __c_locale
+    _S_get_c_locale();
+
+    __attribute__ ((__const__)) static const char*
+    _S_get_c_name() throw();
+# 438 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_classes.h" 3
+    facet(const facet&) = delete;
+
+    facet&
+    operator=(const facet&) = delete;
+
+
+  private:
+    void
+    _M_add_reference() const throw()
+    { __gnu_cxx::__atomic_add_dispatch(&_M_refcount, 1); }
+
+    void
+    _M_remove_reference() const throw()
+    {
+
+      ;
+      if (__gnu_cxx::__exchange_and_add_dispatch(&_M_refcount, -1) == 1)
+ {
+          ;
+   try
+     { delete this; }
+   catch(...)
+     { }
+ }
+    }
+
+    class __shim;
+
+    const facet* _M_sso_shim(const id*) const;
+    const facet* _M_cow_shim(const id*) const;
+  };
+# 482 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_classes.h" 3
+  class locale::id
+  {
+  private:
+    friend class locale;
+    friend class locale::_Impl;
+
+    template<typename _Facet>
+      friend const _Facet&
+      use_facet(const locale&);
+
+    template<typename _Facet>
+      friend bool
+      has_facet(const locale&) throw();
+
+
+
+
+    mutable size_t _M_index;
+
+
+    static _Atomic_word _S_refcount;
+
+    void
+    operator=(const id&);
+
+    id(const id&);
+
+  public:
+
+
+
+    id() { }
+
+    size_t
+    _M_id() const throw();
+  };
+
+
+
+  class locale::_Impl
+  {
+  public:
+
+    friend class locale;
+    friend class locale::facet;
+
+    template<typename _Facet>
+      friend bool
+      has_facet(const locale&) throw();
+
+    template<typename _Facet>
+      friend const _Facet&
+      use_facet(const locale&);
+
+    template<typename _Cache>
+      friend struct __use_cache;
+
+  private:
+
+    _Atomic_word _M_refcount;
+    const facet** _M_facets;
+    size_t _M_facets_size;
+    const facet** _M_caches;
+    char** _M_names;
+    static const locale::id* const _S_id_ctype[];
+    static const locale::id* const _S_id_numeric[];
+    static const locale::id* const _S_id_collate[];
+    static const locale::id* const _S_id_time[];
+    static const locale::id* const _S_id_monetary[];
+    static const locale::id* const _S_id_messages[];
+    static const locale::id* const* const _S_facet_categories[];
+
+    void
+    _M_add_reference() throw()
+    { __gnu_cxx::__atomic_add_dispatch(&_M_refcount, 1); }
+
+    void
+    _M_remove_reference() throw()
+    {
+
+      ;
+      if (__gnu_cxx::__exchange_and_add_dispatch(&_M_refcount, -1) == 1)
+ {
+          ;
+   try
+     { delete this; }
+   catch(...)
+     { }
+ }
+    }
+
+    _Impl(const _Impl&, size_t);
+    _Impl(const char*, size_t);
+    _Impl(size_t) throw();
+
+   ~_Impl() throw();
+
+    _Impl(const _Impl&);
+
+    void
+    operator=(const _Impl&);
+
+    bool
+    _M_check_same_name()
+    {
+      bool __ret = true;
+      if (_M_names[1])
+
+ for (size_t __i = 0; __ret && __i < _S_categories_size - 1; ++__i)
+   __ret = __builtin_strcmp(_M_names[__i], _M_names[__i + 1]) == 0;
+      return __ret;
+    }
+
+    void
+    _M_replace_categories(const _Impl*, category);
+
+    void
+    _M_replace_category(const _Impl*, const locale::id* const*);
+
+    void
+    _M_replace_facet(const _Impl*, const locale::id*);
+
+    void
+    _M_install_facet(const locale::id*, const facet*);
+
+    template<typename _Facet>
+      void
+      _M_init_facet(_Facet* __facet)
+      { _M_install_facet(&_Facet::id, __facet); }
+
+    template<typename _Facet>
+      void
+      _M_init_facet_unchecked(_Facet* __facet)
+      {
+ __facet->_M_add_reference();
+ _M_facets[_Facet::id._M_id()] = __facet;
+      }
+
+    void
+    _M_install_cache(const facet*, size_t);
+
+    void _M_init_extra(facet**);
+    void _M_init_extra(void*, void*, const char*, const char*);
+  };
+# 640 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_classes.h" 3
+  template<typename _CharT>
+    class __cxx11:: collate : public locale::facet
+    {
+    public:
+
+
+
+      typedef _CharT char_type;
+      typedef basic_string<_CharT> string_type;
+
+
+    protected:
+
+
+      __c_locale _M_c_locale_collate;
+
+    public:
+
+      static locale::id id;
+# 667 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_classes.h" 3
+      explicit
+      collate(size_t __refs = 0)
+      : facet(__refs), _M_c_locale_collate(_S_get_c_locale())
+      { }
+# 681 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_classes.h" 3
+      explicit
+      collate(__c_locale __cloc, size_t __refs = 0)
+      : facet(__refs), _M_c_locale_collate(_S_clone_c_locale(__cloc))
+      { }
+# 698 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_classes.h" 3
+      int
+      compare(const _CharT* __lo1, const _CharT* __hi1,
+       const _CharT* __lo2, const _CharT* __hi2) const
+      { return this->do_compare(__lo1, __hi1, __lo2, __hi2); }
+# 717 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_classes.h" 3
+      string_type
+      transform(const _CharT* __lo, const _CharT* __hi) const
+      { return this->do_transform(__lo, __hi); }
+# 731 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_classes.h" 3
+      long
+      hash(const _CharT* __lo, const _CharT* __hi) const
+      { return this->do_hash(__lo, __hi); }
+
+
+      int
+      _M_compare(const _CharT*, const _CharT*) const throw();
+
+      size_t
+      _M_transform(_CharT*, const _CharT*, size_t) const throw();
+
+  protected:
+
+      virtual
+      ~collate()
+      { _S_destroy_c_locale(_M_c_locale_collate); }
+# 760 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_classes.h" 3
+      virtual int
+      do_compare(const _CharT* __lo1, const _CharT* __hi1,
+   const _CharT* __lo2, const _CharT* __hi2) const;
+# 774 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_classes.h" 3
+      virtual string_type
+      do_transform(const _CharT* __lo, const _CharT* __hi) const;
+# 787 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_classes.h" 3
+      virtual long
+      do_hash(const _CharT* __lo, const _CharT* __hi) const;
+    };
+
+  template<typename _CharT>
+    locale::id collate<_CharT>::id;
+
+
+  template<>
+    int
+    collate<char>::_M_compare(const char*, const char*) const throw();
+
+  template<>
+    size_t
+    collate<char>::_M_transform(char*, const char*, size_t) const throw();
+
+
+  template<>
+    int
+    collate<wchar_t>::_M_compare(const wchar_t*, const wchar_t*) const throw();
+
+  template<>
+    size_t
+    collate<wchar_t>::_M_transform(wchar_t*, const wchar_t*, size_t) const throw();
+
+
+
+  template<typename _CharT>
+    class __cxx11:: collate_byname : public collate<_CharT>
+    {
+    public:
+
+
+      typedef _CharT char_type;
+      typedef basic_string<_CharT> string_type;
+
+
+      explicit
+      collate_byname(const char* __s, size_t __refs = 0)
+      : collate<_CharT>(__refs)
+      {
+ if (__builtin_strcmp(__s, "C") != 0
+     && __builtin_strcmp(__s, "POSIX") != 0)
+   {
+     this->_S_destroy_c_locale(this->_M_c_locale_collate);
+     this->_S_create_c_locale(this->_M_c_locale_collate, __s);
+   }
+      }
+
+
+      explicit
+      collate_byname(const string& __s, size_t __refs = 0)
+      : collate_byname(__s.c_str(), __refs) { }
+
+
+    protected:
+      virtual
+      ~collate_byname() { }
+    };
+
+
+}
+
+# 1 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_classes.tcc" 1 3
+# 37 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_classes.tcc" 3
+       
+# 38 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_classes.tcc" 3
+
+namespace std __attribute__ ((__visibility__ ("default")))
+{
+
+
+  template<typename _Facet>
+    locale::
+    locale(const locale& __other, _Facet* __f)
+    {
+      _M_impl = new _Impl(*__other._M_impl, 1);
+
+      try
+ { _M_impl->_M_install_facet(&_Facet::id, __f); }
+      catch(...)
+ {
+   _M_impl->_M_remove_reference();
+   throw;
+ }
+      delete [] _M_impl->_M_names[0];
+      _M_impl->_M_names[0] = 0;
+    }
+
+  template<typename _Facet>
+    locale
+    locale::
+    combine(const locale& __other) const
+    {
+      _Impl* __tmp = new _Impl(*_M_impl, 1);
+      try
+ {
+   __tmp->_M_replace_facet(__other._M_impl, &_Facet::id);
+ }
+      catch(...)
+ {
+   __tmp->_M_remove_reference();
+   throw;
+ }
+      return locale(__tmp);
+    }
+
+  template<typename _CharT, typename _Traits, typename _Alloc>
+    bool
+    locale::
+    operator()(const basic_string<_CharT, _Traits, _Alloc>& __s1,
+        const basic_string<_CharT, _Traits, _Alloc>& __s2) const
+    {
+      typedef std::collate<_CharT> __collate_type;
+      const __collate_type& __collate = use_facet<__collate_type>(*this);
+      return (__collate.compare(__s1.data(), __s1.data() + __s1.length(),
+    __s2.data(), __s2.data() + __s2.length()) < 0);
+    }
+# 102 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_classes.tcc" 3
+  template<typename _Facet>
+    bool
+    has_facet(const locale& __loc) throw()
+    {
+      const size_t __i = _Facet::id._M_id();
+      const locale::facet** __facets = __loc._M_impl->_M_facets;
+      return (__i < __loc._M_impl->_M_facets_size
+
+       && dynamic_cast<const _Facet*>(__facets[__i]));
+
+
+
+    }
+# 130 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_classes.tcc" 3
+  template<typename _Facet>
+    const _Facet&
+    use_facet(const locale& __loc)
+    {
+      const size_t __i = _Facet::id._M_id();
+      const locale::facet** __facets = __loc._M_impl->_M_facets;
+      if (__i >= __loc._M_impl->_M_facets_size || !__facets[__i])
+        __throw_bad_cast();
+
+      return dynamic_cast<const _Facet&>(*__facets[__i]);
+
+
+
+    }
+
+
+
+  template<typename _CharT>
+    int
+    collate<_CharT>::_M_compare(const _CharT*, const _CharT*) const throw ()
+    { return 0; }
+
+
+  template<typename _CharT>
+    size_t
+    collate<_CharT>::_M_transform(_CharT*, const _CharT*, size_t) const throw ()
+    { return 0; }
+
+  template<typename _CharT>
+    int
+    collate<_CharT>::
+    do_compare(const _CharT* __lo1, const _CharT* __hi1,
+        const _CharT* __lo2, const _CharT* __hi2) const
+    {
+
+
+      const string_type __one(__lo1, __hi1);
+      const string_type __two(__lo2, __hi2);
+
+      const _CharT* __p = __one.c_str();
+      const _CharT* __pend = __one.data() + __one.length();
+      const _CharT* __q = __two.c_str();
+      const _CharT* __qend = __two.data() + __two.length();
+
+
+
+
+      for (;;)
+ {
+   const int __res = _M_compare(__p, __q);
+   if (__res)
+     return __res;
+
+   __p += char_traits<_CharT>::length(__p);
+   __q += char_traits<_CharT>::length(__q);
+   if (__p == __pend && __q == __qend)
+     return 0;
+   else if (__p == __pend)
+     return -1;
+   else if (__q == __qend)
+     return 1;
+
+   __p++;
+   __q++;
+ }
+    }
+
+  template<typename _CharT>
+    typename collate<_CharT>::string_type
+    collate<_CharT>::
+    do_transform(const _CharT* __lo, const _CharT* __hi) const
+    {
+      string_type __ret;
+
+
+      const string_type __str(__lo, __hi);
+
+      const _CharT* __p = __str.c_str();
+      const _CharT* __pend = __str.data() + __str.length();
+
+      size_t __len = (__hi - __lo) * 2;
+
+      _CharT* __c = new _CharT[__len];
+
+      try
+ {
+
+
+
+   for (;;)
+     {
+
+       size_t __res = _M_transform(__c, __p, __len);
+
+
+       if (__res >= __len)
+  {
+    __len = __res + 1;
+    delete [] __c, __c = 0;
+    __c = new _CharT[__len];
+    __res = _M_transform(__c, __p, __len);
+  }
+
+       __ret.append(__c, __res);
+       __p += char_traits<_CharT>::length(__p);
+       if (__p == __pend)
+  break;
+
+       __p++;
+       __ret.push_back(_CharT());
+     }
+ }
+      catch(...)
+ {
+   delete [] __c;
+   throw;
+ }
+
+      delete [] __c;
+
+      return __ret;
+    }
+
+  template<typename _CharT>
+    long
+    collate<_CharT>::
+    do_hash(const _CharT* __lo, const _CharT* __hi) const
+    {
+      unsigned long __val = 0;
+      for (; __lo < __hi; ++__lo)
+ __val =
+   *__lo + ((__val << 7)
+     | (__val >> (__gnu_cxx::__numeric_traits<unsigned long>::
+    __digits - 7)));
+      return static_cast<long>(__val);
+    }
+
+
+
+
+  extern template class collate<char>;
+  extern template class collate_byname<char>;
+
+  extern template
+    const collate<char>&
+    use_facet<collate<char> >(const locale&);
+
+  extern template
+    bool
+    has_facet<collate<char> >(const locale&);
+
+
+  extern template class collate<wchar_t>;
+  extern template class collate_byname<wchar_t>;
+
+  extern template
+    const collate<wchar_t>&
+    use_facet<collate<wchar_t> >(const locale&);
+
+  extern template
+    bool
+    has_facet<collate<wchar_t> >(const locale&);
+
+
+
+
+}
+# 851 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_classes.h" 2 3
+# 42 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/ios_base.h" 2 3
+
+
+
+
+# 1 "/aux/hubicka/trunk-install/include/c++/6.0.0/system_error" 1 3
+# 32 "/aux/hubicka/trunk-install/include/c++/6.0.0/system_error" 3
+       
+# 33 "/aux/hubicka/trunk-install/include/c++/6.0.0/system_error" 3
+
+
+
+
+
+
+# 1 "/aux/hubicka/trunk-install/include/c++/6.0.0/x86_64-pc-linux-gnu/bits/error_constants.h" 1 3
+# 34 "/aux/hubicka/trunk-install/include/c++/6.0.0/x86_64-pc-linux-gnu/bits/error_constants.h" 3
+# 1 "/aux/hubicka/trunk-install/include/c++/6.0.0/cerrno" 1 3
+# 39 "/aux/hubicka/trunk-install/include/c++/6.0.0/cerrno" 3
+       
+# 40 "/aux/hubicka/trunk-install/include/c++/6.0.0/cerrno" 3
+
+
+# 1 "/usr/include/errno.h" 1 3 4
+# 43 "/aux/hubicka/trunk-install/include/c++/6.0.0/cerrno" 2 3
+# 35 "/aux/hubicka/trunk-install/include/c++/6.0.0/x86_64-pc-linux-gnu/bits/error_constants.h" 2 3
+
+namespace std __attribute__ ((__visibility__ ("default")))
+{
+
+
+  enum class errc
+    {
+      address_family_not_supported = 97,
+      address_in_use = 98,
+      address_not_available = 99,
+      already_connected = 106,
+      argument_list_too_long = 7,
+      argument_out_of_domain = 33,
+      bad_address = 14,
+      bad_file_descriptor = 9,
+
+
+      bad_message = 74,
+
+
+      broken_pipe = 32,
+      connection_aborted = 103,
+      connection_already_in_progress = 114,
+      connection_refused = 111,
+      connection_reset = 104,
+      cross_device_link = 18,
+      destination_address_required = 89,
+      device_or_resource_busy = 16,
+      directory_not_empty = 39,
+      executable_format_error = 8,
+      file_exists = 17,
+      file_too_large = 27,
+      filename_too_long = 36,
+      function_not_supported = 38,
+      host_unreachable = 113,
+
+
+      identifier_removed = 43,
+
+
+      illegal_byte_sequence = 84,
+      inappropriate_io_control_operation = 25,
+      interrupted = 4,
+      invalid_argument = 22,
+      invalid_seek = 29,
+      io_error = 5,
+      is_a_directory = 21,
+      message_size = 90,
+      network_down = 100,
+      network_reset = 102,
+      network_unreachable = 101,
+      no_buffer_space = 105,
+      no_child_process = 10,
+
+
+      no_link = 67,
+
+
+      no_lock_available = 37,
+
+
+      no_message_available = 61,
+
+
+      no_message = 42,
+      no_protocol_option = 92,
+      no_space_on_device = 28,
+
+
+      no_stream_resources = 63,
+
+
+      no_such_device_or_address = 6,
+      no_such_device = 19,
+      no_such_file_or_directory = 2,
+      no_such_process = 3,
+      not_a_directory = 20,
+      not_a_socket = 88,
+
+
+      not_a_stream = 60,
+
+
+      not_connected = 107,
+      not_enough_memory = 12,
+
+
+      not_supported = 95,
+
+
+
+      operation_canceled = 125,
+
+
+      operation_in_progress = 115,
+      operation_not_permitted = 1,
+      operation_not_supported = 95,
+      operation_would_block = 11,
+
+
+      owner_dead = 130,
+
+
+      permission_denied = 13,
+
+
+      protocol_error = 71,
+
+
+      protocol_not_supported = 93,
+      read_only_file_system = 30,
+      resource_deadlock_would_occur = 35,
+      resource_unavailable_try_again = 11,
+      result_out_of_range = 34,
+
+
+      state_not_recoverable = 131,
+
+
+
+      stream_timeout = 62,
+
+
+
+      text_file_busy = 26,
+
+
+      timed_out = 110,
+      too_many_files_open_in_system = 23,
+      too_many_files_open = 24,
+      too_many_links = 31,
+      too_many_symbolic_link_levels = 40,
+
+
+      value_too_large = 75,
+
+
+      wrong_protocol_type = 91
+    };
+
+
+}
+# 40 "/aux/hubicka/trunk-install/include/c++/6.0.0/system_error" 2 3
+
+# 1 "/aux/hubicka/trunk-install/include/c++/6.0.0/stdexcept" 1 3
+# 36 "/aux/hubicka/trunk-install/include/c++/6.0.0/stdexcept" 3
+       
+# 37 "/aux/hubicka/trunk-install/include/c++/6.0.0/stdexcept" 3
+
+
+
+
+namespace std __attribute__ ((__visibility__ ("default")))
+{
+
+
+
+
+
+  struct __cow_string
+  {
+    union {
+      const char* _M_p;
+      char _M_bytes[sizeof(const char*)];
+    };
+
+    __cow_string();
+    __cow_string(const std::string&);
+    __cow_string(const char*, size_t);
+    __cow_string(const __cow_string&) noexcept;
+    __cow_string& operator=(const __cow_string&) noexcept;
+    ~__cow_string();
+
+    __cow_string(__cow_string&&) noexcept;
+    __cow_string& operator=(__cow_string&&) noexcept;
+
+  };
+
+  typedef basic_string<char> __sso_string;
+# 113 "/aux/hubicka/trunk-install/include/c++/6.0.0/stdexcept" 3
+  class logic_error : public exception
+  {
+    __cow_string _M_msg;
+
+  public:
+
+    explicit
+    logic_error(const string& __arg);
+
+
+    explicit
+    logic_error(const char*);
+
+
+
+    logic_error(const logic_error&) noexcept;
+    logic_error& operator=(const logic_error&) noexcept;
+
+
+    virtual ~logic_error() noexcept;
+
+
+
+    virtual const char*
+    what() const noexcept;
+  };
+
+
+
+  class domain_error : public logic_error
+  {
+  public:
+    explicit domain_error(const string& __arg);
+
+    explicit domain_error(const char*);
+
+    virtual ~domain_error() noexcept;
+  };
+
+
+  class invalid_argument : public logic_error
+  {
+  public:
+    explicit invalid_argument(const string& __arg);
+
+    explicit invalid_argument(const char*);
+
+    virtual ~invalid_argument() noexcept;
+  };
+
+
+
+  class length_error : public logic_error
+  {
+  public:
+    explicit length_error(const string& __arg);
+
+    explicit length_error(const char*);
+
+    virtual ~length_error() noexcept;
+  };
+
+
+
+  class out_of_range : public logic_error
+  {
+  public:
+    explicit out_of_range(const string& __arg);
+
+    explicit out_of_range(const char*);
+
+    virtual ~out_of_range() noexcept;
+  };
+
+
+
+
+
+
+  class runtime_error : public exception
+  {
+    __cow_string _M_msg;
+
+  public:
+
+    explicit
+    runtime_error(const string& __arg);
+
+
+    explicit
+    runtime_error(const char*);
+
+
+
+    runtime_error(const runtime_error&) noexcept;
+    runtime_error& operator=(const runtime_error&) noexcept;
+
+
+    virtual ~runtime_error() noexcept;
+
+
+
+    virtual const char*
+    what() const noexcept;
+  };
+
+
+  class range_error : public runtime_error
+  {
+  public:
+    explicit range_error(const string& __arg);
+
+    explicit range_error(const char*);
+
+    virtual ~range_error() noexcept;
+  };
+
+
+  class overflow_error : public runtime_error
+  {
+  public:
+    explicit overflow_error(const string& __arg);
+
+    explicit overflow_error(const char*);
+
+    virtual ~overflow_error() noexcept;
+  };
+
+
+  class underflow_error : public runtime_error
+  {
+  public:
+    explicit underflow_error(const string& __arg);
+
+    explicit underflow_error(const char*);
+
+    virtual ~underflow_error() noexcept;
+  };
+
+
+
+
+}
+# 42 "/aux/hubicka/trunk-install/include/c++/6.0.0/system_error" 2 3
+
+namespace std __attribute__ ((__visibility__ ("default")))
+{
+
+
+  class error_code;
+  class error_condition;
+  class system_error;
+
+
+  template<typename _Tp>
+    struct is_error_code_enum : public false_type { };
+
+
+  template<typename _Tp>
+    struct is_error_condition_enum : public false_type { };
+
+  template<>
+    struct is_error_condition_enum<errc>
+    : public true_type { };
+
+  inline namespace _V2 {
+
+
+  class error_category
+  {
+  public:
+    constexpr error_category() noexcept = default;
+
+    virtual ~error_category();
+
+    error_category(const error_category&) = delete;
+    error_category& operator=(const error_category&) = delete;
+
+    virtual const char*
+    name() const noexcept = 0;
+
+
+
+
+
+
+  private:
+    __attribute ((__abi_tag__ ("cxx11")))
+    virtual __cow_string
+    _M_message(int) const;
+
+  public:
+    __attribute ((__abi_tag__ ("cxx11")))
+    virtual string
+    message(int) const = 0;
+# 102 "/aux/hubicka/trunk-install/include/c++/6.0.0/system_error" 3
+  public:
+    virtual error_condition
+    default_error_condition(int __i) const noexcept;
+
+    virtual bool
+    equivalent(int __i, const error_condition& __cond) const noexcept;
+
+    virtual bool
+    equivalent(const error_code& __code, int __i) const noexcept;
+
+    bool
+    operator<(const error_category& __other) const noexcept
+    { return less<const error_category*>()(this, &__other); }
+
+    bool
+    operator==(const error_category& __other) const noexcept
+    { return this == &__other; }
+
+    bool
+    operator!=(const error_category& __other) const noexcept
+    { return this != &__other; }
+  };
+
+
+  __attribute__ ((__const__)) const error_category& system_category() noexcept;
+  __attribute__ ((__const__)) const error_category& generic_category() noexcept;
+
+  }
+
+  error_code make_error_code(errc) noexcept;
+
+  template<typename _Tp>
+    struct hash;
+
+
+
+  struct error_code
+  {
+    error_code() noexcept
+    : _M_value(0), _M_cat(&system_category()) { }
+
+    error_code(int __v, const error_category& __cat) noexcept
+    : _M_value(__v), _M_cat(&__cat) { }
+
+    template<typename _ErrorCodeEnum, typename = typename
+      enable_if<is_error_code_enum<_ErrorCodeEnum>::value>::type>
+      error_code(_ErrorCodeEnum __e) noexcept
+      { *this = make_error_code(__e); }
+
+    void
+    assign(int __v, const error_category& __cat) noexcept
+    {
+      _M_value = __v;
+      _M_cat = &__cat;
+    }
+
+    void
+    clear() noexcept
+    { assign(0, system_category()); }
+
+
+    template<typename _ErrorCodeEnum>
+      typename enable_if<is_error_code_enum<_ErrorCodeEnum>::value,
+    error_code&>::type
+      operator=(_ErrorCodeEnum __e) noexcept
+      { return *this = make_error_code(__e); }
+
+    int
+    value() const noexcept { return _M_value; }
+
+    const error_category&
+    category() const noexcept { return *_M_cat; }
+
+    error_condition
+    default_error_condition() const noexcept;
+
+    __attribute ((__abi_tag__ ("cxx11")))
+    string
+    message() const
+    { return category().message(value()); }
+
+    explicit operator bool() const noexcept
+    { return _M_value != 0; }
+
+
+  private:
+    friend class hash<error_code>;
+
+    int _M_value;
+    const error_category* _M_cat;
+  };
+
+
+  inline error_code
+  make_error_code(errc __e) noexcept
+  { return error_code(static_cast<int>(__e), generic_category()); }
+
+  inline bool
+  operator<(const error_code& __lhs, const error_code& __rhs) noexcept
+  {
+    return (__lhs.category() < __rhs.category()
+     || (__lhs.category() == __rhs.category()
+  && __lhs.value() < __rhs.value()));
+  }
+
+  template<typename _CharT, typename _Traits>
+    basic_ostream<_CharT, _Traits>&
+    operator<<(basic_ostream<_CharT, _Traits>& __os, const error_code& __e)
+    { return (__os << __e.category().name() << ':' << __e.value()); }
+
+  error_condition make_error_condition(errc) noexcept;
+
+
+
+  struct error_condition
+  {
+    error_condition() noexcept
+    : _M_value(0), _M_cat(&generic_category()) { }
+
+    error_condition(int __v, const error_category& __cat) noexcept
+    : _M_value(__v), _M_cat(&__cat) { }
+
+    template<typename _ErrorConditionEnum, typename = typename
+  enable_if<is_error_condition_enum<_ErrorConditionEnum>::value>::type>
+      error_condition(_ErrorConditionEnum __e) noexcept
+      { *this = make_error_condition(__e); }
+
+    void
+    assign(int __v, const error_category& __cat) noexcept
+    {
+      _M_value = __v;
+      _M_cat = &__cat;
+    }
+
+
+    template<typename _ErrorConditionEnum>
+      typename enable_if<is_error_condition_enum
+    <_ErrorConditionEnum>::value, error_condition&>::type
+      operator=(_ErrorConditionEnum __e) noexcept
+      { return *this = make_error_condition(__e); }
+
+    void
+    clear() noexcept
+    { assign(0, generic_category()); }
+
+
+    int
+    value() const noexcept { return _M_value; }
+
+    const error_category&
+    category() const noexcept { return *_M_cat; }
+
+    __attribute ((__abi_tag__ ("cxx11")))
+    string
+    message() const
+    { return category().message(value()); }
+
+    explicit operator bool() const noexcept
+    { return _M_value != 0; }
+
+
+  private:
+    int _M_value;
+    const error_category* _M_cat;
+  };
+
+
+  inline error_condition
+  make_error_condition(errc __e) noexcept
+  { return error_condition(static_cast<int>(__e), generic_category()); }
+
+  inline bool
+  operator<(const error_condition& __lhs,
+     const error_condition& __rhs) noexcept
+  {
+    return (__lhs.category() < __rhs.category()
+     || (__lhs.category() == __rhs.category()
+  && __lhs.value() < __rhs.value()));
+  }
+
+
+  inline bool
+  operator==(const error_code& __lhs, const error_code& __rhs) noexcept
+  { return (__lhs.category() == __rhs.category()
+     && __lhs.value() == __rhs.value()); }
+
+  inline bool
+  operator==(const error_code& __lhs, const error_condition& __rhs) noexcept
+  {
+    return (__lhs.category().equivalent(__lhs.value(), __rhs)
+     || __rhs.category().equivalent(__lhs, __rhs.value()));
+  }
+
+  inline bool
+  operator==(const error_condition& __lhs, const error_code& __rhs) noexcept
+  {
+    return (__rhs.category().equivalent(__rhs.value(), __lhs)
+     || __lhs.category().equivalent(__rhs, __lhs.value()));
+  }
+
+  inline bool
+  operator==(const error_condition& __lhs,
+      const error_condition& __rhs) noexcept
+  {
+    return (__lhs.category() == __rhs.category()
+     && __lhs.value() == __rhs.value());
+  }
+
+  inline bool
+  operator!=(const error_code& __lhs, const error_code& __rhs) noexcept
+  { return !(__lhs == __rhs); }
+
+  inline bool
+  operator!=(const error_code& __lhs, const error_condition& __rhs) noexcept
+  { return !(__lhs == __rhs); }
+
+  inline bool
+  operator!=(const error_condition& __lhs, const error_code& __rhs) noexcept
+  { return !(__lhs == __rhs); }
+
+  inline bool
+  operator!=(const error_condition& __lhs,
+      const error_condition& __rhs) noexcept
+  { return !(__lhs == __rhs); }
+
+
+
+
+
+
+
+  class system_error : public std::runtime_error
+  {
+  private:
+    error_code _M_code;
+
+  public:
+    system_error(error_code __ec = error_code())
+    : runtime_error(__ec.message()), _M_code(__ec) { }
+
+    system_error(error_code __ec, const string& __what)
+    : runtime_error(__what + ": " + __ec.message()), _M_code(__ec) { }
+
+    system_error(error_code __ec, const char* __what)
+    : runtime_error(__what + (": " + __ec.message())), _M_code(__ec) { }
+
+    system_error(int __v, const error_category& __ecat, const char* __what)
+    : system_error(error_code(__v, __ecat), __what) { }
+
+    system_error(int __v, const error_category& __ecat)
+    : runtime_error(error_code(__v, __ecat).message()),
+      _M_code(__v, __ecat) { }
+
+    system_error(int __v, const error_category& __ecat, const string& __what)
+    : runtime_error(__what + ": " + error_code(__v, __ecat).message()),
+      _M_code(__v, __ecat) { }
+
+    virtual ~system_error() noexcept;
+
+    const error_code&
+    code() const noexcept { return _M_code; }
+  };
+
+
+}
+
+
+
+
+
+namespace std __attribute__ ((__visibility__ ("default")))
+{
+
+
+
+
+  template<>
+    struct hash<error_code>
+    : public __hash_base<size_t, error_code>
+    {
+      size_t
+      operator()(const error_code& __e) const noexcept
+      {
+ const size_t __tmp = std::_Hash_impl::hash(__e._M_value);
+ return std::_Hash_impl::__hash_combine(__e._M_cat, __tmp);
+      }
+    };
+
+
+}
+# 47 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/ios_base.h" 2 3
+
+
+namespace std __attribute__ ((__visibility__ ("default")))
+{
+
+
+
+
+
+
+  enum _Ios_Fmtflags
+    {
+      _S_boolalpha = 1L << 0,
+      _S_dec = 1L << 1,
+      _S_fixed = 1L << 2,
+      _S_hex = 1L << 3,
+      _S_internal = 1L << 4,
+      _S_left = 1L << 5,
+      _S_oct = 1L << 6,
+      _S_right = 1L << 7,
+      _S_scientific = 1L << 8,
+      _S_showbase = 1L << 9,
+      _S_showpoint = 1L << 10,
+      _S_showpos = 1L << 11,
+      _S_skipws = 1L << 12,
+      _S_unitbuf = 1L << 13,
+      _S_uppercase = 1L << 14,
+      _S_adjustfield = _S_left | _S_right | _S_internal,
+      _S_basefield = _S_dec | _S_oct | _S_hex,
+      _S_floatfield = _S_scientific | _S_fixed,
+      _S_ios_fmtflags_end = 1L << 16
+    };
+
+  inline constexpr _Ios_Fmtflags
+  operator&(_Ios_Fmtflags __a, _Ios_Fmtflags __b)
+  { return _Ios_Fmtflags(static_cast<int>(__a) & static_cast<int>(__b)); }
+
+  inline constexpr _Ios_Fmtflags
+  operator|(_Ios_Fmtflags __a, _Ios_Fmtflags __b)
+  { return _Ios_Fmtflags(static_cast<int>(__a) | static_cast<int>(__b)); }
+
+  inline constexpr _Ios_Fmtflags
+  operator^(_Ios_Fmtflags __a, _Ios_Fmtflags __b)
+  { return _Ios_Fmtflags(static_cast<int>(__a) ^ static_cast<int>(__b)); }
+
+  inline constexpr _Ios_Fmtflags
+  operator~(_Ios_Fmtflags __a)
+  { return _Ios_Fmtflags(~static_cast<int>(__a)); }
+
+  inline const _Ios_Fmtflags&
+  operator|=(_Ios_Fmtflags& __a, _Ios_Fmtflags __b)
+  { return __a = __a | __b; }
+
+  inline const _Ios_Fmtflags&
+  operator&=(_Ios_Fmtflags& __a, _Ios_Fmtflags __b)
+  { return __a = __a & __b; }
+
+  inline const _Ios_Fmtflags&
+  operator^=(_Ios_Fmtflags& __a, _Ios_Fmtflags __b)
+  { return __a = __a ^ __b; }
+
+
+  enum _Ios_Openmode
+    {
+      _S_app = 1L << 0,
+      _S_ate = 1L << 1,
+      _S_bin = 1L << 2,
+      _S_in = 1L << 3,
+      _S_out = 1L << 4,
+      _S_trunc = 1L << 5,
+      _S_ios_openmode_end = 1L << 16
+    };
+
+  inline constexpr _Ios_Openmode
+  operator&(_Ios_Openmode __a, _Ios_Openmode __b)
+  { return _Ios_Openmode(static_cast<int>(__a) & static_cast<int>(__b)); }
+
+  inline constexpr _Ios_Openmode
+  operator|(_Ios_Openmode __a, _Ios_Openmode __b)
+  { return _Ios_Openmode(static_cast<int>(__a) | static_cast<int>(__b)); }
+
+  inline constexpr _Ios_Openmode
+  operator^(_Ios_Openmode __a, _Ios_Openmode __b)
+  { return _Ios_Openmode(static_cast<int>(__a) ^ static_cast<int>(__b)); }
+
+  inline constexpr _Ios_Openmode
+  operator~(_Ios_Openmode __a)
+  { return _Ios_Openmode(~static_cast<int>(__a)); }
+
+  inline const _Ios_Openmode&
+  operator|=(_Ios_Openmode& __a, _Ios_Openmode __b)
+  { return __a = __a | __b; }
+
+  inline const _Ios_Openmode&
+  operator&=(_Ios_Openmode& __a, _Ios_Openmode __b)
+  { return __a = __a & __b; }
+
+  inline const _Ios_Openmode&
+  operator^=(_Ios_Openmode& __a, _Ios_Openmode __b)
+  { return __a = __a ^ __b; }
+
+
+  enum _Ios_Iostate
+    {
+      _S_goodbit = 0,
+      _S_badbit = 1L << 0,
+      _S_eofbit = 1L << 1,
+      _S_failbit = 1L << 2,
+      _S_ios_iostate_end = 1L << 16
+    };
+
+  inline constexpr _Ios_Iostate
+  operator&(_Ios_Iostate __a, _Ios_Iostate __b)
+  { return _Ios_Iostate(static_cast<int>(__a) & static_cast<int>(__b)); }
+
+  inline constexpr _Ios_Iostate
+  operator|(_Ios_Iostate __a, _Ios_Iostate __b)
+  { return _Ios_Iostate(static_cast<int>(__a) | static_cast<int>(__b)); }
+
+  inline constexpr _Ios_Iostate
+  operator^(_Ios_Iostate __a, _Ios_Iostate __b)
+  { return _Ios_Iostate(static_cast<int>(__a) ^ static_cast<int>(__b)); }
+
+  inline constexpr _Ios_Iostate
+  operator~(_Ios_Iostate __a)
+  { return _Ios_Iostate(~static_cast<int>(__a)); }
+
+  inline const _Ios_Iostate&
+  operator|=(_Ios_Iostate& __a, _Ios_Iostate __b)
+  { return __a = __a | __b; }
+
+  inline const _Ios_Iostate&
+  operator&=(_Ios_Iostate& __a, _Ios_Iostate __b)
+  { return __a = __a & __b; }
+
+  inline const _Ios_Iostate&
+  operator^=(_Ios_Iostate& __a, _Ios_Iostate __b)
+  { return __a = __a ^ __b; }
+
+
+  enum _Ios_Seekdir
+    {
+      _S_beg = 0,
+      _S_cur = 1,
+      _S_end = 2,
+      _S_ios_seekdir_end = 1L << 16
+    };
+
+
+
+  enum class io_errc { stream = 1 };
+
+  template <> struct is_error_code_enum<io_errc> : public true_type { };
+
+  const error_category& iostream_category() noexcept;
+
+  inline error_code
+  make_error_code(io_errc e) noexcept
+  { return error_code(static_cast<int>(e), iostream_category()); }
+
+  inline error_condition
+  make_error_condition(io_errc e) noexcept
+  { return error_condition(static_cast<int>(e), iostream_category()); }
+# 222 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/ios_base.h" 3
+  class ios_base
+  {
+# 240 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/ios_base.h" 3
+  public:
+# 249 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/ios_base.h" 3
+    class __attribute ((__abi_tag__ ("cxx11"))) failure : public system_error
+    {
+    public:
+      explicit
+      failure(const string& __str);
+
+
+      explicit
+      failure(const string&, const error_code&);
+
+      explicit
+      failure(const char*, const error_code& = io_errc::stream);
+
+
+      virtual
+      ~failure() throw();
+
+      virtual const char*
+      what() const throw();
+    };
+# 317 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/ios_base.h" 3
+    typedef _Ios_Fmtflags fmtflags;
+
+
+    static const fmtflags boolalpha = _S_boolalpha;
+
+
+    static const fmtflags dec = _S_dec;
+
+
+    static const fmtflags fixed = _S_fixed;
+
+
+    static const fmtflags hex = _S_hex;
+
+
+
+
+    static const fmtflags internal = _S_internal;
+
+
+
+    static const fmtflags left = _S_left;
+
+
+    static const fmtflags oct = _S_oct;
+
+
+
+    static const fmtflags right = _S_right;
+
+
+    static const fmtflags scientific = _S_scientific;
+
+
+
+    static const fmtflags showbase = _S_showbase;
+
+
+
+    static const fmtflags showpoint = _S_showpoint;
+
+
+    static const fmtflags showpos = _S_showpos;
+
+
+    static const fmtflags skipws = _S_skipws;
+
+
+    static const fmtflags unitbuf = _S_unitbuf;
+
+
+
+    static const fmtflags uppercase = _S_uppercase;
+
+
+    static const fmtflags adjustfield = _S_adjustfield;
+
+
+    static const fmtflags basefield = _S_basefield;
+
+
+    static const fmtflags floatfield = _S_floatfield;
+# 392 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/ios_base.h" 3
+    typedef _Ios_Iostate iostate;
+
+
+
+    static const iostate badbit = _S_badbit;
+
+
+    static const iostate eofbit = _S_eofbit;
+
+
+
+
+    static const iostate failbit = _S_failbit;
+
+
+    static const iostate goodbit = _S_goodbit;
+# 423 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/ios_base.h" 3
+    typedef _Ios_Openmode openmode;
+
+
+    static const openmode app = _S_app;
+
+
+    static const openmode ate = _S_ate;
+
+
+
+
+    static const openmode binary = _S_bin;
+
+
+    static const openmode in = _S_in;
+
+
+    static const openmode out = _S_out;
+
+
+    static const openmode trunc = _S_trunc;
+# 455 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/ios_base.h" 3
+    typedef _Ios_Seekdir seekdir;
+
+
+    static const seekdir beg = _S_beg;
+
+
+    static const seekdir cur = _S_cur;
+
+
+    static const seekdir end = _S_end;
+
+
+    typedef int io_state;
+    typedef int open_mode;
+    typedef int seek_dir;
+
+    typedef std::streampos streampos;
+    typedef std::streamoff streamoff;
+# 481 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/ios_base.h" 3
+    enum event
+    {
+      erase_event,
+      imbue_event,
+      copyfmt_event
+    };
+# 498 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/ios_base.h" 3
+    typedef void (*event_callback) (event __e, ios_base& __b, int __i);
+# 510 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/ios_base.h" 3
+    void
+    register_callback(event_callback __fn, int __index);
+
+  protected:
+    streamsize _M_precision;
+    streamsize _M_width;
+    fmtflags _M_flags;
+    iostate _M_exception;
+    iostate _M_streambuf_state;
+
+
+
+    struct _Callback_list
+    {
+
+      _Callback_list* _M_next;
+      ios_base::event_callback _M_fn;
+      int _M_index;
+      _Atomic_word _M_refcount;
+
+      _Callback_list(ios_base::event_callback __fn, int __index,
+       _Callback_list* __cb)
+      : _M_next(__cb), _M_fn(__fn), _M_index(__index), _M_refcount(0) { }
+
+      void
+      _M_add_reference() { __gnu_cxx::__atomic_add_dispatch(&_M_refcount, 1); }
+
+
+      int
+      _M_remove_reference()
+      {
+
+        ;
+        int __res = __gnu_cxx::__exchange_and_add_dispatch(&_M_refcount, -1);
+        if (__res == 0)
+          {
+            ;
+          }
+        return __res;
+      }
+    };
+
+     _Callback_list* _M_callbacks;
+
+    void
+    _M_call_callbacks(event __ev) throw();
+
+    void
+    _M_dispose_callbacks(void) throw();
+
+
+    struct _Words
+    {
+      void* _M_pword;
+      long _M_iword;
+      _Words() : _M_pword(0), _M_iword(0) { }
+    };
+
+
+    _Words _M_word_zero;
+
+
+
+    enum { _S_local_word_size = 8 };
+    _Words _M_local_word[_S_local_word_size];
+
+
+    int _M_word_size;
+    _Words* _M_word;
+
+    _Words&
+    _M_grow_words(int __index, bool __iword);
+
+
+    locale _M_ios_locale;
+
+    void
+    _M_init() throw();
+
+  public:
+
+
+
+
+
+    class Init
+    {
+      friend class ios_base;
+    public:
+      Init();
+      ~Init();
+
+    private:
+      static _Atomic_word _S_refcount;
+      static bool _S_synced_with_stdio;
+    };
+
+
+
+
+
+
+    fmtflags
+    flags() const
+    { return _M_flags; }
+# 623 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/ios_base.h" 3
+    fmtflags
+    flags(fmtflags __fmtfl)
+    {
+      fmtflags __old = _M_flags;
+      _M_flags = __fmtfl;
+      return __old;
+    }
+# 639 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/ios_base.h" 3
+    fmtflags
+    setf(fmtflags __fmtfl)
+    {
+      fmtflags __old = _M_flags;
+      _M_flags |= __fmtfl;
+      return __old;
+    }
+# 656 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/ios_base.h" 3
+    fmtflags
+    setf(fmtflags __fmtfl, fmtflags __mask)
+    {
+      fmtflags __old = _M_flags;
+      _M_flags &= ~__mask;
+      _M_flags |= (__fmtfl & __mask);
+      return __old;
+    }
+
+
+
+
+
+
+
+    void
+    unsetf(fmtflags __mask)
+    { _M_flags &= ~__mask; }
+# 682 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/ios_base.h" 3
+    streamsize
+    precision() const
+    { return _M_precision; }
+
+
+
+
+
+
+    streamsize
+    precision(streamsize __prec)
+    {
+      streamsize __old = _M_precision;
+      _M_precision = __prec;
+      return __old;
+    }
+
+
+
+
+
+
+
+    streamsize
+    width() const
+    { return _M_width; }
+
+
+
+
+
+
+    streamsize
+    width(streamsize __wide)
+    {
+      streamsize __old = _M_width;
+      _M_width = __wide;
+      return __old;
+    }
+# 733 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/ios_base.h" 3
+    static bool
+    sync_with_stdio(bool __sync = true);
+# 745 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/ios_base.h" 3
+    locale
+    imbue(const locale& __loc) throw();
+# 756 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/ios_base.h" 3
+    locale
+    getloc() const
+    { return _M_ios_locale; }
+# 767 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/ios_base.h" 3
+    const locale&
+    _M_getloc() const
+    { return _M_ios_locale; }
+# 786 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/ios_base.h" 3
+    static int
+    xalloc() throw();
+# 802 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/ios_base.h" 3
+    long&
+    iword(int __ix)
+    {
+      _Words& __word = (__ix < _M_word_size)
+   ? _M_word[__ix] : _M_grow_words(__ix, true);
+      return __word._M_iword;
+    }
+# 823 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/ios_base.h" 3
+    void*&
+    pword(int __ix)
+    {
+      _Words& __word = (__ix < _M_word_size)
+   ? _M_word[__ix] : _M_grow_words(__ix, false);
+      return __word._M_pword;
+    }
+# 840 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/ios_base.h" 3
+    virtual ~ios_base();
+
+  protected:
+    ios_base() throw ();
+# 854 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/ios_base.h" 3
+  public:
+    ios_base(const ios_base&) = delete;
+
+    ios_base&
+    operator=(const ios_base&) = delete;
+
+  protected:
+    void
+    _M_move(ios_base&) noexcept;
+
+    void
+    _M_swap(ios_base& __rhs) noexcept;
+
+  };
+
+
+
+  inline ios_base&
+  boolalpha(ios_base& __base)
+  {
+    __base.setf(ios_base::boolalpha);
+    return __base;
+  }
+
+
+  inline ios_base&
+  noboolalpha(ios_base& __base)
+  {
+    __base.unsetf(ios_base::boolalpha);
+    return __base;
+  }
+
+
+  inline ios_base&
+  showbase(ios_base& __base)
+  {
+    __base.setf(ios_base::showbase);
+    return __base;
+  }
+
+
+  inline ios_base&
+  noshowbase(ios_base& __base)
+  {
+    __base.unsetf(ios_base::showbase);
+    return __base;
+  }
+
+
+  inline ios_base&
+  showpoint(ios_base& __base)
+  {
+    __base.setf(ios_base::showpoint);
+    return __base;
+  }
+
+
+  inline ios_base&
+  noshowpoint(ios_base& __base)
+  {
+    __base.unsetf(ios_base::showpoint);
+    return __base;
+  }
+
+
+  inline ios_base&
+  showpos(ios_base& __base)
+  {
+    __base.setf(ios_base::showpos);
+    return __base;
+  }
+
+
+  inline ios_base&
+  noshowpos(ios_base& __base)
+  {
+    __base.unsetf(ios_base::showpos);
+    return __base;
+  }
+
+
+  inline ios_base&
+  skipws(ios_base& __base)
+  {
+    __base.setf(ios_base::skipws);
+    return __base;
+  }
+
+
+  inline ios_base&
+  noskipws(ios_base& __base)
+  {
+    __base.unsetf(ios_base::skipws);
+    return __base;
+  }
+
+
+  inline ios_base&
+  uppercase(ios_base& __base)
+  {
+    __base.setf(ios_base::uppercase);
+    return __base;
+  }
+
+
+  inline ios_base&
+  nouppercase(ios_base& __base)
+  {
+    __base.unsetf(ios_base::uppercase);
+    return __base;
+  }
+
+
+  inline ios_base&
+  unitbuf(ios_base& __base)
+  {
+     __base.setf(ios_base::unitbuf);
+     return __base;
+  }
+
+
+  inline ios_base&
+  nounitbuf(ios_base& __base)
+  {
+     __base.unsetf(ios_base::unitbuf);
+     return __base;
+  }
+
+
+
+  inline ios_base&
+  internal(ios_base& __base)
+  {
+     __base.setf(ios_base::internal, ios_base::adjustfield);
+     return __base;
+  }
+
+
+  inline ios_base&
+  left(ios_base& __base)
+  {
+    __base.setf(ios_base::left, ios_base::adjustfield);
+    return __base;
+  }
+
+
+  inline ios_base&
+  right(ios_base& __base)
+  {
+    __base.setf(ios_base::right, ios_base::adjustfield);
+    return __base;
+  }
+
+
+
+  inline ios_base&
+  dec(ios_base& __base)
+  {
+    __base.setf(ios_base::dec, ios_base::basefield);
+    return __base;
+  }
+
+
+  inline ios_base&
+  hex(ios_base& __base)
+  {
+    __base.setf(ios_base::hex, ios_base::basefield);
+    return __base;
+  }
+
+
+  inline ios_base&
+  oct(ios_base& __base)
+  {
+    __base.setf(ios_base::oct, ios_base::basefield);
+    return __base;
+  }
+
+
+
+  inline ios_base&
+  fixed(ios_base& __base)
+  {
+    __base.setf(ios_base::fixed, ios_base::floatfield);
+    return __base;
+  }
+
+
+  inline ios_base&
+  scientific(ios_base& __base)
+  {
+    __base.setf(ios_base::scientific, ios_base::floatfield);
+    return __base;
+  }
+
+
+
+
+
+
+  inline ios_base&
+  hexfloat(ios_base& __base)
+  {
+    __base.setf(ios_base::fixed | ios_base::scientific, ios_base::floatfield);
+    return __base;
+  }
+
+
+  inline ios_base&
+  defaultfloat(ios_base& __base)
+  {
+    __base.unsetf(ios_base::floatfield);
+    return __base;
+  }
+
+
+
+}
+# 43 "/aux/hubicka/trunk-install/include/c++/6.0.0/ios" 2 3
+# 1 "/aux/hubicka/trunk-install/include/c++/6.0.0/streambuf" 1 3
+# 36 "/aux/hubicka/trunk-install/include/c++/6.0.0/streambuf" 3
+       
+# 37 "/aux/hubicka/trunk-install/include/c++/6.0.0/streambuf" 3
+# 45 "/aux/hubicka/trunk-install/include/c++/6.0.0/streambuf" 3
+namespace std __attribute__ ((__visibility__ ("default")))
+{
+
+
+  template<typename _CharT, typename _Traits>
+    streamsize
+    __copy_streambufs_eof(basic_streambuf<_CharT, _Traits>*,
+     basic_streambuf<_CharT, _Traits>*, bool&);
+# 119 "/aux/hubicka/trunk-install/include/c++/6.0.0/streambuf" 3
+  template<typename _CharT, typename _Traits>
+    class basic_streambuf
+    {
+    public:
+
+
+
+
+
+
+      typedef _CharT char_type;
+      typedef _Traits traits_type;
+      typedef typename traits_type::int_type int_type;
+      typedef typename traits_type::pos_type pos_type;
+      typedef typename traits_type::off_type off_type;
+
+
+
+
+      typedef basic_streambuf<char_type, traits_type> __streambuf_type;
+
+
+      friend class basic_ios<char_type, traits_type>;
+      friend class basic_istream<char_type, traits_type>;
+      friend class basic_ostream<char_type, traits_type>;
+      friend class istreambuf_iterator<char_type, traits_type>;
+      friend class ostreambuf_iterator<char_type, traits_type>;
+
+      friend streamsize
+      __copy_streambufs_eof<>(basic_streambuf*, basic_streambuf*, bool&);
+
+      template<bool _IsMove, typename _CharT2>
+        friend typename __gnu_cxx::__enable_if<__is_char<_CharT2>::__value,
+            _CharT2*>::__type
+        __copy_move_a2(istreambuf_iterator<_CharT2>,
+         istreambuf_iterator<_CharT2>, _CharT2*);
+
+      template<typename _CharT2>
+        friend typename __gnu_cxx::__enable_if<__is_char<_CharT2>::__value,
+      istreambuf_iterator<_CharT2> >::__type
+        find(istreambuf_iterator<_CharT2>, istreambuf_iterator<_CharT2>,
+      const _CharT2&);
+
+      template<typename _CharT2, typename _Traits2>
+        friend basic_istream<_CharT2, _Traits2>&
+        operator>>(basic_istream<_CharT2, _Traits2>&, _CharT2*);
+
+      template<typename _CharT2, typename _Traits2, typename _Alloc>
+        friend basic_istream<_CharT2, _Traits2>&
+        operator>>(basic_istream<_CharT2, _Traits2>&,
+     basic_string<_CharT2, _Traits2, _Alloc>&);
+
+      template<typename _CharT2, typename _Traits2, typename _Alloc>
+        friend basic_istream<_CharT2, _Traits2>&
+        getline(basic_istream<_CharT2, _Traits2>&,
+  basic_string<_CharT2, _Traits2, _Alloc>&, _CharT2);
+
+    protected:
+
+
+
+
+
+
+
+      char_type* _M_in_beg;
+      char_type* _M_in_cur;
+      char_type* _M_in_end;
+      char_type* _M_out_beg;
+      char_type* _M_out_cur;
+      char_type* _M_out_end;
+
+
+      locale _M_buf_locale;
+
+  public:
+
+      virtual
+      ~basic_streambuf()
+      { }
+# 208 "/aux/hubicka/trunk-install/include/c++/6.0.0/streambuf" 3
+      locale
+      pubimbue(const locale& __loc)
+      {
+ locale __tmp(this->getloc());
+ this->imbue(__loc);
+ _M_buf_locale = __loc;
+ return __tmp;
+      }
+# 225 "/aux/hubicka/trunk-install/include/c++/6.0.0/streambuf" 3
+      locale
+      getloc() const
+      { return _M_buf_locale; }
+# 238 "/aux/hubicka/trunk-install/include/c++/6.0.0/streambuf" 3
+      basic_streambuf*
+      pubsetbuf(char_type* __s, streamsize __n)
+      { return this->setbuf(__s, __n); }
+# 250 "/aux/hubicka/trunk-install/include/c++/6.0.0/streambuf" 3
+      pos_type
+      pubseekoff(off_type __off, ios_base::seekdir __way,
+   ios_base::openmode __mode = ios_base::in | ios_base::out)
+      { return this->seekoff(__off, __way, __mode); }
+# 262 "/aux/hubicka/trunk-install/include/c++/6.0.0/streambuf" 3
+      pos_type
+      pubseekpos(pos_type __sp,
+   ios_base::openmode __mode = ios_base::in | ios_base::out)
+      { return this->seekpos(__sp, __mode); }
+
+
+
+
+      int
+      pubsync() { return this->sync(); }
+# 283 "/aux/hubicka/trunk-install/include/c++/6.0.0/streambuf" 3
+      streamsize
+      in_avail()
+      {
+ const streamsize __ret = this->egptr() - this->gptr();
+ return __ret ? __ret : this->showmanyc();
+      }
+# 297 "/aux/hubicka/trunk-install/include/c++/6.0.0/streambuf" 3
+      int_type
+      snextc()
+      {
+ int_type __ret = traits_type::eof();
+ if (__builtin_expect(!traits_type::eq_int_type(this->sbumpc(),
+             __ret), true))
+   __ret = this->sgetc();
+ return __ret;
+      }
+# 315 "/aux/hubicka/trunk-install/include/c++/6.0.0/streambuf" 3
+      int_type
+      sbumpc()
+      {
+ int_type __ret;
+ if (__builtin_expect(this->gptr() < this->egptr(), true))
+   {
+     __ret = traits_type::to_int_type(*this->gptr());
+     this->gbump(1);
+   }
+ else
+   __ret = this->uflow();
+ return __ret;
+      }
+# 337 "/aux/hubicka/trunk-install/include/c++/6.0.0/streambuf" 3
+      int_type
+      sgetc()
+      {
+ int_type __ret;
+ if (__builtin_expect(this->gptr() < this->egptr(), true))
+   __ret = traits_type::to_int_type(*this->gptr());
+ else
+   __ret = this->underflow();
+ return __ret;
+      }
+# 356 "/aux/hubicka/trunk-install/include/c++/6.0.0/streambuf" 3
+      streamsize
+      sgetn(char_type* __s, streamsize __n)
+      { return this->xsgetn(__s, __n); }
+# 371 "/aux/hubicka/trunk-install/include/c++/6.0.0/streambuf" 3
+      int_type
+      sputbackc(char_type __c)
+      {
+ int_type __ret;
+ const bool __testpos = this->eback() < this->gptr();
+ if (__builtin_expect(!__testpos ||
+        !traits_type::eq(__c, this->gptr()[-1]), false))
+   __ret = this->pbackfail(traits_type::to_int_type(__c));
+ else
+   {
+     this->gbump(-1);
+     __ret = traits_type::to_int_type(*this->gptr());
+   }
+ return __ret;
+      }
+# 396 "/aux/hubicka/trunk-install/include/c++/6.0.0/streambuf" 3
+      int_type
+      sungetc()
+      {
+ int_type __ret;
+ if (__builtin_expect(this->eback() < this->gptr(), true))
+   {
+     this->gbump(-1);
+     __ret = traits_type::to_int_type(*this->gptr());
+   }
+ else
+   __ret = this->pbackfail();
+ return __ret;
+      }
+# 423 "/aux/hubicka/trunk-install/include/c++/6.0.0/streambuf" 3
+      int_type
+      sputc(char_type __c)
+      {
+ int_type __ret;
+ if (__builtin_expect(this->pptr() < this->epptr(), true))
+   {
+     *this->pptr() = __c;
+     this->pbump(1);
+     __ret = traits_type::to_int_type(__c);
+   }
+ else
+   __ret = this->overflow(traits_type::to_int_type(__c));
+ return __ret;
+      }
+# 449 "/aux/hubicka/trunk-install/include/c++/6.0.0/streambuf" 3
+      streamsize
+      sputn(const char_type* __s, streamsize __n)
+      { return this->xsputn(__s, __n); }
+
+    protected:
+# 463 "/aux/hubicka/trunk-install/include/c++/6.0.0/streambuf" 3
+      basic_streambuf()
+      : _M_in_beg(0), _M_in_cur(0), _M_in_end(0),
+      _M_out_beg(0), _M_out_cur(0), _M_out_end(0),
+      _M_buf_locale(locale())
+      { }
+# 481 "/aux/hubicka/trunk-install/include/c++/6.0.0/streambuf" 3
+      char_type*
+      eback() const { return _M_in_beg; }
+
+      char_type*
+      gptr() const { return _M_in_cur; }
+
+      char_type*
+      egptr() const { return _M_in_end; }
+# 497 "/aux/hubicka/trunk-install/include/c++/6.0.0/streambuf" 3
+      void
+      gbump(int __n) { _M_in_cur += __n; }
+# 508 "/aux/hubicka/trunk-install/include/c++/6.0.0/streambuf" 3
+      void
+      setg(char_type* __gbeg, char_type* __gnext, char_type* __gend)
+      {
+ _M_in_beg = __gbeg;
+ _M_in_cur = __gnext;
+ _M_in_end = __gend;
+      }
+# 528 "/aux/hubicka/trunk-install/include/c++/6.0.0/streambuf" 3
+      char_type*
+      pbase() const { return _M_out_beg; }
+
+      char_type*
+      pptr() const { return _M_out_cur; }
+
+      char_type*
+      epptr() const { return _M_out_end; }
+# 544 "/aux/hubicka/trunk-install/include/c++/6.0.0/streambuf" 3
+      void
+      pbump(int __n) { _M_out_cur += __n; }
+# 554 "/aux/hubicka/trunk-install/include/c++/6.0.0/streambuf" 3
+      void
+      setp(char_type* __pbeg, char_type* __pend)
+      {
+ _M_out_beg = _M_out_cur = __pbeg;
+ _M_out_end = __pend;
+      }
+# 575 "/aux/hubicka/trunk-install/include/c++/6.0.0/streambuf" 3
+      virtual void
+      imbue(const locale& __loc)
+      { }
+# 590 "/aux/hubicka/trunk-install/include/c++/6.0.0/streambuf" 3
+      virtual basic_streambuf<char_type,_Traits>*
+      setbuf(char_type*, streamsize)
+      { return this; }
+# 601 "/aux/hubicka/trunk-install/include/c++/6.0.0/streambuf" 3
+      virtual pos_type
+      seekoff(off_type, ios_base::seekdir,
+       ios_base::openmode = ios_base::in | ios_base::out)
+      { return pos_type(off_type(-1)); }
+# 613 "/aux/hubicka/trunk-install/include/c++/6.0.0/streambuf" 3
+      virtual pos_type
+      seekpos(pos_type,
+       ios_base::openmode = ios_base::in | ios_base::out)
+      { return pos_type(off_type(-1)); }
+# 626 "/aux/hubicka/trunk-install/include/c++/6.0.0/streambuf" 3
+      virtual int
+      sync() { return 0; }
+# 648 "/aux/hubicka/trunk-install/include/c++/6.0.0/streambuf" 3
+      virtual streamsize
+      showmanyc() { return 0; }
+# 664 "/aux/hubicka/trunk-install/include/c++/6.0.0/streambuf" 3
+      virtual streamsize
+      xsgetn(char_type* __s, streamsize __n);
+# 686 "/aux/hubicka/trunk-install/include/c++/6.0.0/streambuf" 3
+      virtual int_type
+      underflow()
+      { return traits_type::eof(); }
+# 699 "/aux/hubicka/trunk-install/include/c++/6.0.0/streambuf" 3
+      virtual int_type
+      uflow()
+      {
+ int_type __ret = traits_type::eof();
+ const bool __testeof = traits_type::eq_int_type(this->underflow(),
+       __ret);
+ if (!__testeof)
+   {
+     __ret = traits_type::to_int_type(*this->gptr());
+     this->gbump(1);
+   }
+ return __ret;
+      }
+# 723 "/aux/hubicka/trunk-install/include/c++/6.0.0/streambuf" 3
+      virtual int_type
+      pbackfail(int_type __c = traits_type::eof())
+      { return traits_type::eof(); }
+# 741 "/aux/hubicka/trunk-install/include/c++/6.0.0/streambuf" 3
+      virtual streamsize
+      xsputn(const char_type* __s, streamsize __n);
+# 767 "/aux/hubicka/trunk-install/include/c++/6.0.0/streambuf" 3
+      virtual int_type
+      overflow(int_type __c = traits_type::eof())
+      { return traits_type::eof(); }
+
+
+
+    public:
+# 782 "/aux/hubicka/trunk-install/include/c++/6.0.0/streambuf" 3
+      void
+      stossc()
+      {
+ if (this->gptr() < this->egptr())
+   this->gbump(1);
+ else
+   this->uflow();
+      }
+
+
+
+      void
+      __safe_gbump(streamsize __n) { _M_in_cur += __n; }
+
+      void
+      __safe_pbump(streamsize __n) { _M_out_cur += __n; }
+
+
+
+
+    protected:
+
+      basic_streambuf(const basic_streambuf&);
+
+      basic_streambuf&
+      operator=(const basic_streambuf&);
+
+
+      void
+      swap(basic_streambuf& __sb)
+      {
+ std::swap(_M_in_beg, __sb._M_in_beg);
+ std::swap(_M_in_cur, __sb._M_in_cur);
+ std::swap(_M_in_end, __sb._M_in_end);
+ std::swap(_M_out_beg, __sb._M_out_beg);
+ std::swap(_M_out_cur, __sb._M_out_cur);
+ std::swap(_M_out_end, __sb._M_out_end);
+ std::swap(_M_buf_locale, __sb._M_buf_locale);
+      }
+
+    };
+
+
+  template<typename _CharT, typename _Traits>
+    std::basic_streambuf<_CharT, _Traits>::
+    basic_streambuf(const basic_streambuf&) = default;
+
+  template<typename _CharT, typename _Traits>
+    std::basic_streambuf<_CharT, _Traits>&
+    std::basic_streambuf<_CharT, _Traits>::
+    operator=(const basic_streambuf&) = default;
+
+
+
+  template<>
+    streamsize
+    __copy_streambufs_eof(basic_streambuf<char>* __sbin,
+     basic_streambuf<char>* __sbout, bool& __ineof);
+
+  template<>
+    streamsize
+    __copy_streambufs_eof(basic_streambuf<wchar_t>* __sbin,
+     basic_streambuf<wchar_t>* __sbout, bool& __ineof);
+
+
+
+}
+
+# 1 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/streambuf.tcc" 1 3
+# 37 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/streambuf.tcc" 3
+       
+# 38 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/streambuf.tcc" 3
+
+namespace std __attribute__ ((__visibility__ ("default")))
+{
+
+
+  template<typename _CharT, typename _Traits>
+    streamsize
+    basic_streambuf<_CharT, _Traits>::
+    xsgetn(char_type* __s, streamsize __n)
+    {
+      streamsize __ret = 0;
+      while (__ret < __n)
+ {
+   const streamsize __buf_len = this->egptr() - this->gptr();
+   if (__buf_len)
+     {
+       const streamsize __remaining = __n - __ret;
+       const streamsize __len = std::min(__buf_len, __remaining);
+       traits_type::copy(__s, this->gptr(), __len);
+       __ret += __len;
+       __s += __len;
+       this->__safe_gbump(__len);
+     }
+
+   if (__ret < __n)
+     {
+       const int_type __c = this->uflow();
+       if (!traits_type::eq_int_type(__c, traits_type::eof()))
+  {
+    traits_type::assign(*__s++, traits_type::to_char_type(__c));
+    ++__ret;
+  }
+       else
+  break;
+     }
+ }
+      return __ret;
+    }
+
+  template<typename _CharT, typename _Traits>
+    streamsize
+    basic_streambuf<_CharT, _Traits>::
+    xsputn(const char_type* __s, streamsize __n)
+    {
+      streamsize __ret = 0;
+      while (__ret < __n)
+ {
+   const streamsize __buf_len = this->epptr() - this->pptr();
+   if (__buf_len)
+     {
+       const streamsize __remaining = __n - __ret;
+       const streamsize __len = std::min(__buf_len, __remaining);
+       traits_type::copy(this->pptr(), __s, __len);
+       __ret += __len;
+       __s += __len;
+       this->__safe_pbump(__len);
+     }
+
+   if (__ret < __n)
+     {
+       int_type __c = this->overflow(traits_type::to_int_type(*__s));
+       if (!traits_type::eq_int_type(__c, traits_type::eof()))
+  {
+    ++__ret;
+    ++__s;
+  }
+       else
+  break;
+     }
+ }
+      return __ret;
+    }
+
+
+
+
+  template<typename _CharT, typename _Traits>
+    streamsize
+    __copy_streambufs_eof(basic_streambuf<_CharT, _Traits>* __sbin,
+     basic_streambuf<_CharT, _Traits>* __sbout,
+     bool& __ineof)
+    {
+      streamsize __ret = 0;
+      __ineof = true;
+      typename _Traits::int_type __c = __sbin->sgetc();
+      while (!_Traits::eq_int_type(__c, _Traits::eof()))
+ {
+   __c = __sbout->sputc(_Traits::to_char_type(__c));
+   if (_Traits::eq_int_type(__c, _Traits::eof()))
+     {
+       __ineof = false;
+       break;
+     }
+   ++__ret;
+   __c = __sbin->snextc();
+ }
+      return __ret;
+    }
+
+  template<typename _CharT, typename _Traits>
+    inline streamsize
+    __copy_streambufs(basic_streambuf<_CharT, _Traits>* __sbin,
+        basic_streambuf<_CharT, _Traits>* __sbout)
+    {
+      bool __ineof;
+      return __copy_streambufs_eof(__sbin, __sbout, __ineof);
+    }
+
+
+
+
+  extern template class basic_streambuf<char>;
+  extern template
+    streamsize
+    __copy_streambufs(basic_streambuf<char>*,
+        basic_streambuf<char>*);
+  extern template
+    streamsize
+    __copy_streambufs_eof(basic_streambuf<char>*,
+     basic_streambuf<char>*, bool&);
+
+
+  extern template class basic_streambuf<wchar_t>;
+  extern template
+    streamsize
+    __copy_streambufs(basic_streambuf<wchar_t>*,
+        basic_streambuf<wchar_t>*);
+  extern template
+    streamsize
+    __copy_streambufs_eof(basic_streambuf<wchar_t>*,
+     basic_streambuf<wchar_t>*, bool&);
+
+
+
+
+}
+# 851 "/aux/hubicka/trunk-install/include/c++/6.0.0/streambuf" 2 3
+# 44 "/aux/hubicka/trunk-install/include/c++/6.0.0/ios" 2 3
+# 1 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_ios.h" 1 3
+# 33 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_ios.h" 3
+       
+# 34 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_ios.h" 3
+
+
+
+# 1 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.h" 1 3
+# 37 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.h" 3
+       
+# 38 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.h" 3
+
+# 1 "/aux/hubicka/trunk-install/include/c++/6.0.0/cwctype" 1 3
+# 39 "/aux/hubicka/trunk-install/include/c++/6.0.0/cwctype" 3
+       
+# 40 "/aux/hubicka/trunk-install/include/c++/6.0.0/cwctype" 3
+# 50 "/aux/hubicka/trunk-install/include/c++/6.0.0/cwctype" 3
+# 1 "/usr/include/wctype.h" 1 3 4
+# 34 "/usr/include/wctype.h" 3 4
+# 1 "/usr/include/wchar.h" 1 3 4
+# 35 "/usr/include/wctype.h" 2 3 4
+# 50 "/usr/include/wctype.h" 3 4
+
+
+
+typedef unsigned long int wctype_t;
+
+# 72 "/usr/include/wctype.h" 3 4
+enum
+{
+  __ISwupper = 0,
+  __ISwlower = 1,
+  __ISwalpha = 2,
+  __ISwdigit = 3,
+  __ISwxdigit = 4,
+  __ISwspace = 5,
+  __ISwprint = 6,
+  __ISwgraph = 7,
+  __ISwblank = 8,
+  __ISwcntrl = 9,
+  __ISwpunct = 10,
+  __ISwalnum = 11,
+
+  _ISwupper = ((__ISwupper) < 8 ? (int) ((1UL << (__ISwupper)) << 24) : ((__ISwupper) < 16 ? (int) ((1UL << (__ISwupper)) << 8) : ((__ISwupper) < 24 ? (int) ((1UL << (__ISwupper)) >> 8) : (int) ((1UL << (__ISwupper)) >> 24)))),
+  _ISwlower = ((__ISwlower) < 8 ? (int) ((1UL << (__ISwlower)) << 24) : ((__ISwlower) < 16 ? (int) ((1UL << (__ISwlower)) << 8) : ((__ISwlower) < 24 ? (int) ((1UL << (__ISwlower)) >> 8) : (int) ((1UL << (__ISwlower)) >> 24)))),
+  _ISwalpha = ((__ISwalpha) < 8 ? (int) ((1UL << (__ISwalpha)) << 24) : ((__ISwalpha) < 16 ? (int) ((1UL << (__ISwalpha)) << 8) : ((__ISwalpha) < 24 ? (int) ((1UL << (__ISwalpha)) >> 8) : (int) ((1UL << (__ISwalpha)) >> 24)))),
+  _ISwdigit = ((__ISwdigit) < 8 ? (int) ((1UL << (__ISwdigit)) << 24) : ((__ISwdigit) < 16 ? (int) ((1UL << (__ISwdigit)) << 8) : ((__ISwdigit) < 24 ? (int) ((1UL << (__ISwdigit)) >> 8) : (int) ((1UL << (__ISwdigit)) >> 24)))),
+  _ISwxdigit = ((__ISwxdigit) < 8 ? (int) ((1UL << (__ISwxdigit)) << 24) : ((__ISwxdigit) < 16 ? (int) ((1UL << (__ISwxdigit)) << 8) : ((__ISwxdigit) < 24 ? (int) ((1UL << (__ISwxdigit)) >> 8) : (int) ((1UL << (__ISwxdigit)) >> 24)))),
+  _ISwspace = ((__ISwspace) < 8 ? (int) ((1UL << (__ISwspace)) << 24) : ((__ISwspace) < 16 ? (int) ((1UL << (__ISwspace)) << 8) : ((__ISwspace) < 24 ? (int) ((1UL << (__ISwspace)) >> 8) : (int) ((1UL << (__ISwspace)) >> 24)))),
+  _ISwprint = ((__ISwprint) < 8 ? (int) ((1UL << (__ISwprint)) << 24) : ((__ISwprint) < 16 ? (int) ((1UL << (__ISwprint)) << 8) : ((__ISwprint) < 24 ? (int) ((1UL << (__ISwprint)) >> 8) : (int) ((1UL << (__ISwprint)) >> 24)))),
+  _ISwgraph = ((__ISwgraph) < 8 ? (int) ((1UL << (__ISwgraph)) << 24) : ((__ISwgraph) < 16 ? (int) ((1UL << (__ISwgraph)) << 8) : ((__ISwgraph) < 24 ? (int) ((1UL << (__ISwgraph)) >> 8) : (int) ((1UL << (__ISwgraph)) >> 24)))),
+  _ISwblank = ((__ISwblank) < 8 ? (int) ((1UL << (__ISwblank)) << 24) : ((__ISwblank) < 16 ? (int) ((1UL << (__ISwblank)) << 8) : ((__ISwblank) < 24 ? (int) ((1UL << (__ISwblank)) >> 8) : (int) ((1UL << (__ISwblank)) >> 24)))),
+  _ISwcntrl = ((__ISwcntrl) < 8 ? (int) ((1UL << (__ISwcntrl)) << 24) : ((__ISwcntrl) < 16 ? (int) ((1UL << (__ISwcntrl)) << 8) : ((__ISwcntrl) < 24 ? (int) ((1UL << (__ISwcntrl)) >> 8) : (int) ((1UL << (__ISwcntrl)) >> 24)))),
+  _ISwpunct = ((__ISwpunct) < 8 ? (int) ((1UL << (__ISwpunct)) << 24) : ((__ISwpunct) < 16 ? (int) ((1UL << (__ISwpunct)) << 8) : ((__ISwpunct) < 24 ? (int) ((1UL << (__ISwpunct)) >> 8) : (int) ((1UL << (__ISwpunct)) >> 24)))),
+  _ISwalnum = ((__ISwalnum) < 8 ? (int) ((1UL << (__ISwalnum)) << 24) : ((__ISwalnum) < 16 ? (int) ((1UL << (__ISwalnum)) << 8) : ((__ISwalnum) < 24 ? (int) ((1UL << (__ISwalnum)) >> 8) : (int) ((1UL << (__ISwalnum)) >> 24))))
+};
+
+
+
+extern "C" {
+
+
+
+
+
+
+
+
+extern int iswalnum (wint_t __wc) throw ();
+
+
+
+
+
+extern int iswalpha (wint_t __wc) throw ();
+
+
+extern int iswcntrl (wint_t __wc) throw ();
+
+
+
+extern int iswdigit (wint_t __wc) throw ();
+
+
+
+extern int iswgraph (wint_t __wc) throw ();
+
+
+
+
+extern int iswlower (wint_t __wc) throw ();
+
+
+extern int iswprint (wint_t __wc) throw ();
+
+
+
+
+extern int iswpunct (wint_t __wc) throw ();
+
+
+
+
+extern int iswspace (wint_t __wc) throw ();
+
+
+
+
+extern int iswupper (wint_t __wc) throw ();
+
+
+
+
+extern int iswxdigit (wint_t __wc) throw ();
+
+
+
+
+
+extern int iswblank (wint_t __wc) throw ();
+# 172 "/usr/include/wctype.h" 3 4
+extern wctype_t wctype (__const char *__property) throw ();
+
+
+
+extern int iswctype (wint_t __wc, wctype_t __desc) throw ();
+
+
+
+
+
+
+
+
+
+
+typedef __const __int32_t *wctrans_t;
+
+
+
+
+
+
+
+extern wint_t towlower (wint_t __wc) throw ();
+
+
+extern wint_t towupper (wint_t __wc) throw ();
+
+
+}
+# 214 "/usr/include/wctype.h" 3 4
+extern "C" {
+
+
+
+
+extern wctrans_t wctrans (__const char *__property) throw ();
+
+
+extern wint_t towctrans (wint_t __wc, wctrans_t __desc) throw ();
+
+
+
+
+
+
+
+
+extern int iswalnum_l (wint_t __wc, __locale_t __locale) throw ();
+
+
+
+
+
+extern int iswalpha_l (wint_t __wc, __locale_t __locale) throw ();
+
+
+extern int iswcntrl_l (wint_t __wc, __locale_t __locale) throw ();
+
+
+
+extern int iswdigit_l (wint_t __wc, __locale_t __locale) throw ();
+
+
+
+extern int iswgraph_l (wint_t __wc, __locale_t __locale) throw ();
+
+
+
+
+extern int iswlower_l (wint_t __wc, __locale_t __locale) throw ();
+
+
+extern int iswprint_l (wint_t __wc, __locale_t __locale) throw ();
+
+
+
+
+extern int iswpunct_l (wint_t __wc, __locale_t __locale) throw ();
+
+
+
+
+extern int iswspace_l (wint_t __wc, __locale_t __locale) throw ();
+
+
+
+
+extern int iswupper_l (wint_t __wc, __locale_t __locale) throw ();
+
+
+
+
+extern int iswxdigit_l (wint_t __wc, __locale_t __locale) throw ();
+
+
+
+
+extern int iswblank_l (wint_t __wc, __locale_t __locale) throw ();
+
+
+
+extern wctype_t wctype_l (__const char *__property, __locale_t __locale)
+     throw ();
+
+
+
+extern int iswctype_l (wint_t __wc, wctype_t __desc, __locale_t __locale)
+     throw ();
+
+
+
+
+
+
+
+extern wint_t towlower_l (wint_t __wc, __locale_t __locale) throw ();
+
+
+extern wint_t towupper_l (wint_t __wc, __locale_t __locale) throw ();
+
+
+
+extern wctrans_t wctrans_l (__const char *__property, __locale_t __locale)
+     throw ();
+
+
+extern wint_t towctrans_l (wint_t __wc, wctrans_t __desc,
+      __locale_t __locale) throw ();
+
+
+
+}
+# 51 "/aux/hubicka/trunk-install/include/c++/6.0.0/cwctype" 2 3
+# 80 "/aux/hubicka/trunk-install/include/c++/6.0.0/cwctype" 3
+namespace std
+{
+  using ::wctrans_t;
+  using ::wctype_t;
+  using ::wint_t;
+
+  using ::iswalnum;
+  using ::iswalpha;
+
+  using ::iswblank;
+
+  using ::iswcntrl;
+  using ::iswctype;
+  using ::iswdigit;
+  using ::iswgraph;
+  using ::iswlower;
+  using ::iswprint;
+  using ::iswpunct;
+  using ::iswspace;
+  using ::iswupper;
+  using ::iswxdigit;
+  using ::towctrans;
+  using ::towlower;
+  using ::towupper;
+  using ::wctrans;
+  using ::wctype;
+}
+# 40 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.h" 2 3
+# 1 "/aux/hubicka/trunk-install/include/c++/6.0.0/cctype" 1 3
+# 39 "/aux/hubicka/trunk-install/include/c++/6.0.0/cctype" 3
+       
+# 40 "/aux/hubicka/trunk-install/include/c++/6.0.0/cctype" 3
+# 41 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.h" 2 3
+# 1 "/aux/hubicka/trunk-install/include/c++/6.0.0/x86_64-pc-linux-gnu/bits/ctype_base.h" 1 3
+# 36 "/aux/hubicka/trunk-install/include/c++/6.0.0/x86_64-pc-linux-gnu/bits/ctype_base.h" 3
+namespace std __attribute__ ((__visibility__ ("default")))
+{
+
+
+
+  struct ctype_base
+  {
+
+    typedef const int* __to_type;
+
+
+
+    typedef unsigned short mask;
+    static const mask upper = _ISupper;
+    static const mask lower = _ISlower;
+    static const mask alpha = _ISalpha;
+    static const mask digit = _ISdigit;
+    static const mask xdigit = _ISxdigit;
+    static const mask space = _ISspace;
+    static const mask print = _ISprint;
+    static const mask graph = _ISalpha | _ISdigit | _ISpunct;
+    static const mask cntrl = _IScntrl;
+    static const mask punct = _ISpunct;
+    static const mask alnum = _ISalpha | _ISdigit;
+
+    static const mask blank = _ISblank;
+
+  };
+
+
+}
+# 42 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.h" 2 3
+
+
+
+
+
+
+# 1 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/streambuf_iterator.h" 1 3
+# 33 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/streambuf_iterator.h" 3
+       
+# 34 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/streambuf_iterator.h" 3
+
+
+
+
+namespace std __attribute__ ((__visibility__ ("default")))
+{
+
+# 49 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/streambuf_iterator.h" 3
+  template<typename _CharT, typename _Traits>
+    class istreambuf_iterator
+    : public iterator<input_iterator_tag, _CharT, typename _Traits::off_type,
+                      _CharT*,
+
+
+        _CharT>
+
+
+
+    {
+    public:
+
+
+
+      typedef _CharT char_type;
+      typedef _Traits traits_type;
+      typedef typename _Traits::int_type int_type;
+      typedef basic_streambuf<_CharT, _Traits> streambuf_type;
+      typedef basic_istream<_CharT, _Traits> istream_type;
+
+
+      template<typename _CharT2>
+ friend typename __gnu_cxx::__enable_if<__is_char<_CharT2>::__value,
+                      ostreambuf_iterator<_CharT2> >::__type
+ copy(istreambuf_iterator<_CharT2>, istreambuf_iterator<_CharT2>,
+      ostreambuf_iterator<_CharT2>);
+
+      template<bool _IsMove, typename _CharT2>
+ friend typename __gnu_cxx::__enable_if<__is_char<_CharT2>::__value,
+            _CharT2*>::__type
+ __copy_move_a2(istreambuf_iterator<_CharT2>,
+         istreambuf_iterator<_CharT2>, _CharT2*);
+
+      template<typename _CharT2>
+ friend typename __gnu_cxx::__enable_if<__is_char<_CharT2>::__value,
+               istreambuf_iterator<_CharT2> >::__type
+ find(istreambuf_iterator<_CharT2>, istreambuf_iterator<_CharT2>,
+      const _CharT2&);
+
+    private:
+
+
+
+
+
+
+
+      mutable streambuf_type* _M_sbuf;
+      mutable int_type _M_c;
+
+    public:
+
+      constexpr istreambuf_iterator() noexcept
+      : _M_sbuf(0), _M_c(traits_type::eof()) { }
+
+
+      istreambuf_iterator(const istreambuf_iterator&) noexcept = default;
+
+      ~istreambuf_iterator() = default;
+
+
+
+      istreambuf_iterator(istream_type& __s) noexcept
+      : _M_sbuf(__s.rdbuf()), _M_c(traits_type::eof()) { }
+
+
+      istreambuf_iterator(streambuf_type* __s) noexcept
+      : _M_sbuf(__s), _M_c(traits_type::eof()) { }
+
+
+
+
+      char_type
+      operator*() const
+      {
+
+
+
+
+
+
+
+ return traits_type::to_char_type(_M_get());
+      }
+
+
+      istreambuf_iterator&
+      operator++()
+      {
+
+
+                        ;
+ if (_M_sbuf)
+   {
+     _M_sbuf->sbumpc();
+     _M_c = traits_type::eof();
+   }
+ return *this;
+      }
+
+
+      istreambuf_iterator
+      operator++(int)
+      {
+
+
+                        ;
+
+ istreambuf_iterator __old = *this;
+ if (_M_sbuf)
+   {
+     __old._M_c = _M_sbuf->sbumpc();
+     _M_c = traits_type::eof();
+   }
+ return __old;
+      }
+
+
+
+
+
+      bool
+      equal(const istreambuf_iterator& __b) const
+      { return _M_at_eof() == __b._M_at_eof(); }
+
+    private:
+      int_type
+      _M_get() const
+      {
+ const int_type __eof = traits_type::eof();
+ int_type __ret = __eof;
+ if (_M_sbuf)
+   {
+     if (!traits_type::eq_int_type(_M_c, __eof))
+       __ret = _M_c;
+     else if (!traits_type::eq_int_type((__ret = _M_sbuf->sgetc()),
+            __eof))
+       _M_c = __ret;
+     else
+       _M_sbuf = 0;
+   }
+ return __ret;
+      }
+
+      bool
+      _M_at_eof() const
+      {
+ const int_type __eof = traits_type::eof();
+ return traits_type::eq_int_type(_M_get(), __eof);
+      }
+    };
+
+  template<typename _CharT, typename _Traits>
+    inline bool
+    operator==(const istreambuf_iterator<_CharT, _Traits>& __a,
+        const istreambuf_iterator<_CharT, _Traits>& __b)
+    { return __a.equal(__b); }
+
+  template<typename _CharT, typename _Traits>
+    inline bool
+    operator!=(const istreambuf_iterator<_CharT, _Traits>& __a,
+        const istreambuf_iterator<_CharT, _Traits>& __b)
+    { return !__a.equal(__b); }
+
+
+  template<typename _CharT, typename _Traits>
+    class ostreambuf_iterator
+    : public iterator<output_iterator_tag, void, void, void, void>
+    {
+    public:
+
+
+
+      typedef _CharT char_type;
+      typedef _Traits traits_type;
+      typedef basic_streambuf<_CharT, _Traits> streambuf_type;
+      typedef basic_ostream<_CharT, _Traits> ostream_type;
+
+
+      template<typename _CharT2>
+ friend typename __gnu_cxx::__enable_if<__is_char<_CharT2>::__value,
+                      ostreambuf_iterator<_CharT2> >::__type
+ copy(istreambuf_iterator<_CharT2>, istreambuf_iterator<_CharT2>,
+      ostreambuf_iterator<_CharT2>);
+
+    private:
+      streambuf_type* _M_sbuf;
+      bool _M_failed;
+
+    public:
+
+      ostreambuf_iterator(ostream_type& __s) noexcept
+      : _M_sbuf(__s.rdbuf()), _M_failed(!_M_sbuf) { }
+
+
+      ostreambuf_iterator(streambuf_type* __s) noexcept
+      : _M_sbuf(__s), _M_failed(!_M_sbuf) { }
+
+
+      ostreambuf_iterator&
+      operator=(_CharT __c)
+      {
+ if (!_M_failed &&
+     _Traits::eq_int_type(_M_sbuf->sputc(__c), _Traits::eof()))
+   _M_failed = true;
+ return *this;
+      }
+
+
+      ostreambuf_iterator&
+      operator*()
+      { return *this; }
+
+
+      ostreambuf_iterator&
+      operator++(int)
+      { return *this; }
+
+
+      ostreambuf_iterator&
+      operator++()
+      { return *this; }
+
+
+      bool
+      failed() const noexcept
+      { return _M_failed; }
+
+      ostreambuf_iterator&
+      _M_put(const _CharT* __ws, streamsize __len)
+      {
+ if (__builtin_expect(!_M_failed, true)
+     && __builtin_expect(this->_M_sbuf->sputn(__ws, __len) != __len,
+    false))
+   _M_failed = true;
+ return *this;
+      }
+    };
+
+
+  template<typename _CharT>
+    typename __gnu_cxx::__enable_if<__is_char<_CharT>::__value,
+                           ostreambuf_iterator<_CharT> >::__type
+    copy(istreambuf_iterator<_CharT> __first,
+  istreambuf_iterator<_CharT> __last,
+  ostreambuf_iterator<_CharT> __result)
+    {
+      if (__first._M_sbuf && !__last._M_sbuf && !__result._M_failed)
+ {
+   bool __ineof;
+   __copy_streambufs_eof(__first._M_sbuf, __result._M_sbuf, __ineof);
+   if (!__ineof)
+     __result._M_failed = true;
+ }
+      return __result;
+    }
+
+  template<bool _IsMove, typename _CharT>
+    typename __gnu_cxx::__enable_if<__is_char<_CharT>::__value,
+            ostreambuf_iterator<_CharT> >::__type
+    __copy_move_a2(_CharT* __first, _CharT* __last,
+     ostreambuf_iterator<_CharT> __result)
+    {
+      const streamsize __num = __last - __first;
+      if (__num > 0)
+ __result._M_put(__first, __num);
+      return __result;
+    }
+
+  template<bool _IsMove, typename _CharT>
+    typename __gnu_cxx::__enable_if<__is_char<_CharT>::__value,
+        ostreambuf_iterator<_CharT> >::__type
+    __copy_move_a2(const _CharT* __first, const _CharT* __last,
+     ostreambuf_iterator<_CharT> __result)
+    {
+      const streamsize __num = __last - __first;
+      if (__num > 0)
+ __result._M_put(__first, __num);
+      return __result;
+    }
+
+  template<bool _IsMove, typename _CharT>
+    typename __gnu_cxx::__enable_if<__is_char<_CharT>::__value,
+            _CharT*>::__type
+    __copy_move_a2(istreambuf_iterator<_CharT> __first,
+     istreambuf_iterator<_CharT> __last, _CharT* __result)
+    {
+      typedef istreambuf_iterator<_CharT> __is_iterator_type;
+      typedef typename __is_iterator_type::traits_type traits_type;
+      typedef typename __is_iterator_type::streambuf_type streambuf_type;
+      typedef typename traits_type::int_type int_type;
+
+      if (__first._M_sbuf && !__last._M_sbuf)
+ {
+   streambuf_type* __sb = __first._M_sbuf;
+   int_type __c = __sb->sgetc();
+   while (!traits_type::eq_int_type(__c, traits_type::eof()))
+     {
+       const streamsize __n = __sb->egptr() - __sb->gptr();
+       if (__n > 1)
+  {
+    traits_type::copy(__result, __sb->gptr(), __n);
+    __sb->__safe_gbump(__n);
+    __result += __n;
+    __c = __sb->underflow();
+  }
+       else
+  {
+    *__result++ = traits_type::to_char_type(__c);
+    __c = __sb->snextc();
+  }
+     }
+ }
+      return __result;
+    }
+
+  template<typename _CharT>
+    typename __gnu_cxx::__enable_if<__is_char<_CharT>::__value,
+          istreambuf_iterator<_CharT> >::__type
+    find(istreambuf_iterator<_CharT> __first,
+  istreambuf_iterator<_CharT> __last, const _CharT& __val)
+    {
+      typedef istreambuf_iterator<_CharT> __is_iterator_type;
+      typedef typename __is_iterator_type::traits_type traits_type;
+      typedef typename __is_iterator_type::streambuf_type streambuf_type;
+      typedef typename traits_type::int_type int_type;
+
+      if (__first._M_sbuf && !__last._M_sbuf)
+ {
+   const int_type __ival = traits_type::to_int_type(__val);
+   streambuf_type* __sb = __first._M_sbuf;
+   int_type __c = __sb->sgetc();
+   while (!traits_type::eq_int_type(__c, traits_type::eof())
+   && !traits_type::eq_int_type(__c, __ival))
+     {
+       streamsize __n = __sb->egptr() - __sb->gptr();
+       if (__n > 1)
+  {
+    const _CharT* __p = traits_type::find(__sb->gptr(),
+       __n, __val);
+    if (__p)
+      __n = __p - __sb->gptr();
+    __sb->__safe_gbump(__n);
+    __c = __sb->sgetc();
+  }
+       else
+  __c = __sb->snextc();
+     }
+
+   if (!traits_type::eq_int_type(__c, traits_type::eof()))
+     __first._M_c = __c;
+   else
+     __first._M_sbuf = 0;
+ }
+      return __first;
+    }
+
+
+
+
+}
+# 49 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.h" 2 3
+
+namespace std __attribute__ ((__visibility__ ("default")))
+{
+
+# 71 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.h" 3
+  template<typename _Tp>
+    void
+    __convert_to_v(const char*, _Tp&, ios_base::iostate&,
+     const __c_locale&) throw();
+
+
+  template<>
+    void
+    __convert_to_v(const char*, float&, ios_base::iostate&,
+     const __c_locale&) throw();
+
+  template<>
+    void
+    __convert_to_v(const char*, double&, ios_base::iostate&,
+     const __c_locale&) throw();
+
+  template<>
+    void
+    __convert_to_v(const char*, long double&, ios_base::iostate&,
+     const __c_locale&) throw();
+
+
+
+  template<typename _CharT, typename _Traits>
+    struct __pad
+    {
+      static void
+      _S_pad(ios_base& __io, _CharT __fill, _CharT* __news,
+      const _CharT* __olds, streamsize __newlen, streamsize __oldlen);
+    };
+
+
+
+
+
+
+  template<typename _CharT>
+    _CharT*
+    __add_grouping(_CharT* __s, _CharT __sep,
+     const char* __gbeg, size_t __gsize,
+     const _CharT* __first, const _CharT* __last);
+
+
+
+
+  template<typename _CharT>
+    inline
+    ostreambuf_iterator<_CharT>
+    __write(ostreambuf_iterator<_CharT> __s, const _CharT* __ws, int __len)
+    {
+      __s._M_put(__ws, __len);
+      return __s;
+    }
+
+
+  template<typename _CharT, typename _OutIter>
+    inline
+    _OutIter
+    __write(_OutIter __s, const _CharT* __ws, int __len)
+    {
+      for (int __j = 0; __j < __len; __j++, ++__s)
+ *__s = __ws[__j];
+      return __s;
+    }
+# 149 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.h" 3
+  template<typename _CharT>
+    class __ctype_abstract_base : public locale::facet, public ctype_base
+    {
+    public:
+
+
+      typedef _CharT char_type;
+# 168 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.h" 3
+      bool
+      is(mask __m, char_type __c) const
+      { return this->do_is(__m, __c); }
+# 185 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.h" 3
+      const char_type*
+      is(const char_type *__lo, const char_type *__hi, mask *__vec) const
+      { return this->do_is(__lo, __hi, __vec); }
+# 201 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.h" 3
+      const char_type*
+      scan_is(mask __m, const char_type* __lo, const char_type* __hi) const
+      { return this->do_scan_is(__m, __lo, __hi); }
+# 217 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.h" 3
+      const char_type*
+      scan_not(mask __m, const char_type* __lo, const char_type* __hi) const
+      { return this->do_scan_not(__m, __lo, __hi); }
+# 231 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.h" 3
+      char_type
+      toupper(char_type __c) const
+      { return this->do_toupper(__c); }
+# 246 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.h" 3
+      const char_type*
+      toupper(char_type *__lo, const char_type* __hi) const
+      { return this->do_toupper(__lo, __hi); }
+# 260 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.h" 3
+      char_type
+      tolower(char_type __c) const
+      { return this->do_tolower(__c); }
+# 275 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.h" 3
+      const char_type*
+      tolower(char_type* __lo, const char_type* __hi) const
+      { return this->do_tolower(__lo, __hi); }
+# 292 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.h" 3
+      char_type
+      widen(char __c) const
+      { return this->do_widen(__c); }
+# 311 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.h" 3
+      const char*
+      widen(const char* __lo, const char* __hi, char_type* __to) const
+      { return this->do_widen(__lo, __hi, __to); }
+# 330 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.h" 3
+      char
+      narrow(char_type __c, char __dfault) const
+      { return this->do_narrow(__c, __dfault); }
+# 352 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.h" 3
+      const char_type*
+      narrow(const char_type* __lo, const char_type* __hi,
+       char __dfault, char* __to) const
+      { return this->do_narrow(__lo, __hi, __dfault, __to); }
+
+    protected:
+      explicit
+      __ctype_abstract_base(size_t __refs = 0): facet(__refs) { }
+
+      virtual
+      ~__ctype_abstract_base() { }
+# 377 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.h" 3
+      virtual bool
+      do_is(mask __m, char_type __c) const = 0;
+# 396 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.h" 3
+      virtual const char_type*
+      do_is(const char_type* __lo, const char_type* __hi,
+     mask* __vec) const = 0;
+# 415 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.h" 3
+      virtual const char_type*
+      do_scan_is(mask __m, const char_type* __lo,
+   const char_type* __hi) const = 0;
+# 434 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.h" 3
+      virtual const char_type*
+      do_scan_not(mask __m, const char_type* __lo,
+    const char_type* __hi) const = 0;
+# 452 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.h" 3
+      virtual char_type
+      do_toupper(char_type __c) const = 0;
+# 469 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.h" 3
+      virtual const char_type*
+      do_toupper(char_type* __lo, const char_type* __hi) const = 0;
+# 485 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.h" 3
+      virtual char_type
+      do_tolower(char_type __c) const = 0;
+# 502 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.h" 3
+      virtual const char_type*
+      do_tolower(char_type* __lo, const char_type* __hi) const = 0;
+# 521 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.h" 3
+      virtual char_type
+      do_widen(char __c) const = 0;
+# 542 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.h" 3
+      virtual const char*
+      do_widen(const char* __lo, const char* __hi, char_type* __to) const = 0;
+# 563 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.h" 3
+      virtual char
+      do_narrow(char_type __c, char __dfault) const = 0;
+# 588 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.h" 3
+      virtual const char_type*
+      do_narrow(const char_type* __lo, const char_type* __hi,
+  char __dfault, char* __to) const = 0;
+    };
+# 611 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.h" 3
+  template<typename _CharT>
+    class ctype : public __ctype_abstract_base<_CharT>
+    {
+    public:
+
+      typedef _CharT char_type;
+      typedef typename __ctype_abstract_base<_CharT>::mask mask;
+
+
+      static locale::id id;
+
+      explicit
+      ctype(size_t __refs = 0) : __ctype_abstract_base<_CharT>(__refs) { }
+
+   protected:
+      virtual
+      ~ctype();
+
+      virtual bool
+      do_is(mask __m, char_type __c) const;
+
+      virtual const char_type*
+      do_is(const char_type* __lo, const char_type* __hi, mask* __vec) const;
+
+      virtual const char_type*
+      do_scan_is(mask __m, const char_type* __lo, const char_type* __hi) const;
+
+      virtual const char_type*
+      do_scan_not(mask __m, const char_type* __lo,
+    const char_type* __hi) const;
+
+      virtual char_type
+      do_toupper(char_type __c) const;
+
+      virtual const char_type*
+      do_toupper(char_type* __lo, const char_type* __hi) const;
+
+      virtual char_type
+      do_tolower(char_type __c) const;
+
+      virtual const char_type*
+      do_tolower(char_type* __lo, const char_type* __hi) const;
+
+      virtual char_type
+      do_widen(char __c) const;
+
+      virtual const char*
+      do_widen(const char* __lo, const char* __hi, char_type* __dest) const;
+
+      virtual char
+      do_narrow(char_type, char __dfault) const;
+
+      virtual const char_type*
+      do_narrow(const char_type* __lo, const char_type* __hi,
+  char __dfault, char* __to) const;
+    };
+
+  template<typename _CharT>
+    locale::id ctype<_CharT>::id;
+# 680 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.h" 3
+  template<>
+    class ctype<char> : public locale::facet, public ctype_base
+    {
+    public:
+
+
+      typedef char char_type;
+
+    protected:
+
+      __c_locale _M_c_locale_ctype;
+      bool _M_del;
+      __to_type _M_toupper;
+      __to_type _M_tolower;
+      const mask* _M_table;
+      mutable char _M_widen_ok;
+      mutable char _M_widen[1 + static_cast<unsigned char>(-1)];
+      mutable char _M_narrow[1 + static_cast<unsigned char>(-1)];
+      mutable char _M_narrow_ok;
+
+
+    public:
+
+      static locale::id id;
+
+      static const size_t table_size = 1 + static_cast<unsigned char>(-1);
+# 717 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.h" 3
+      explicit
+      ctype(const mask* __table = 0, bool __del = false, size_t __refs = 0);
+# 730 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.h" 3
+      explicit
+      ctype(__c_locale __cloc, const mask* __table = 0, bool __del = false,
+     size_t __refs = 0);
+# 743 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.h" 3
+      inline bool
+      is(mask __m, char __c) const;
+# 758 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.h" 3
+      inline const char*
+      is(const char* __lo, const char* __hi, mask* __vec) const;
+# 772 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.h" 3
+      inline const char*
+      scan_is(mask __m, const char* __lo, const char* __hi) const;
+# 786 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.h" 3
+      inline const char*
+      scan_not(mask __m, const char* __lo, const char* __hi) const;
+# 801 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.h" 3
+      char_type
+      toupper(char_type __c) const
+      { return this->do_toupper(__c); }
+# 818 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.h" 3
+      const char_type*
+      toupper(char_type *__lo, const char_type* __hi) const
+      { return this->do_toupper(__lo, __hi); }
+# 834 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.h" 3
+      char_type
+      tolower(char_type __c) const
+      { return this->do_tolower(__c); }
+# 851 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.h" 3
+      const char_type*
+      tolower(char_type* __lo, const char_type* __hi) const
+      { return this->do_tolower(__lo, __hi); }
+# 871 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.h" 3
+      char_type
+      widen(char __c) const
+      {
+ if (_M_widen_ok)
+   return _M_widen[static_cast<unsigned char>(__c)];
+ this->_M_widen_init();
+ return this->do_widen(__c);
+      }
+# 898 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.h" 3
+      const char*
+      widen(const char* __lo, const char* __hi, char_type* __to) const
+      {
+ if (_M_widen_ok == 1)
+   {
+     __builtin_memcpy(__to, __lo, __hi - __lo);
+     return __hi;
+   }
+ if (!_M_widen_ok)
+   _M_widen_init();
+ return this->do_widen(__lo, __hi, __to);
+      }
+# 929 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.h" 3
+      char
+      narrow(char_type __c, char __dfault) const
+      {
+ if (_M_narrow[static_cast<unsigned char>(__c)])
+   return _M_narrow[static_cast<unsigned char>(__c)];
+ const char __t = do_narrow(__c, __dfault);
+ if (__t != __dfault)
+   _M_narrow[static_cast<unsigned char>(__c)] = __t;
+ return __t;
+      }
+# 962 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.h" 3
+      const char_type*
+      narrow(const char_type* __lo, const char_type* __hi,
+      char __dfault, char* __to) const
+      {
+ if (__builtin_expect(_M_narrow_ok == 1, true))
+   {
+     __builtin_memcpy(__to, __lo, __hi - __lo);
+     return __hi;
+   }
+ if (!_M_narrow_ok)
+   _M_narrow_init();
+ return this->do_narrow(__lo, __hi, __dfault, __to);
+      }
+
+
+
+
+
+      const mask*
+      table() const throw()
+      { return _M_table; }
+
+
+      static const mask*
+      classic_table() throw();
+    protected:
+
+
+
+
+
+
+
+      virtual
+      ~ctype();
+# 1011 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.h" 3
+      virtual char_type
+      do_toupper(char_type __c) const;
+# 1028 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.h" 3
+      virtual const char_type*
+      do_toupper(char_type* __lo, const char_type* __hi) const;
+# 1044 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.h" 3
+      virtual char_type
+      do_tolower(char_type __c) const;
+# 1061 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.h" 3
+      virtual const char_type*
+      do_tolower(char_type* __lo, const char_type* __hi) const;
+# 1081 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.h" 3
+      virtual char_type
+      do_widen(char __c) const
+      { return __c; }
+# 1104 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.h" 3
+      virtual const char*
+      do_widen(const char* __lo, const char* __hi, char_type* __to) const
+      {
+ __builtin_memcpy(__to, __lo, __hi - __lo);
+ return __hi;
+      }
+# 1130 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.h" 3
+      virtual char
+      do_narrow(char_type __c, char __dfault) const
+      { return __c; }
+# 1156 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.h" 3
+      virtual const char_type*
+      do_narrow(const char_type* __lo, const char_type* __hi,
+  char __dfault, char* __to) const
+      {
+ __builtin_memcpy(__to, __lo, __hi - __lo);
+ return __hi;
+      }
+
+    private:
+      void _M_narrow_init() const;
+      void _M_widen_init() const;
+    };
+# 1181 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.h" 3
+  template<>
+    class ctype<wchar_t> : public __ctype_abstract_base<wchar_t>
+    {
+    public:
+
+
+      typedef wchar_t char_type;
+      typedef wctype_t __wmask_type;
+
+    protected:
+      __c_locale _M_c_locale_ctype;
+
+
+      bool _M_narrow_ok;
+      char _M_narrow[128];
+      wint_t _M_widen[1 + static_cast<unsigned char>(-1)];
+
+
+      mask _M_bit[16];
+      __wmask_type _M_wmask[16];
+
+    public:
+
+
+      static locale::id id;
+# 1214 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.h" 3
+      explicit
+      ctype(size_t __refs = 0);
+# 1225 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.h" 3
+      explicit
+      ctype(__c_locale __cloc, size_t __refs = 0);
+
+    protected:
+      __wmask_type
+      _M_convert_to_wmask(const mask __m) const throw();
+
+
+      virtual
+      ~ctype();
+# 1249 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.h" 3
+      virtual bool
+      do_is(mask __m, char_type __c) const;
+# 1268 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.h" 3
+      virtual const char_type*
+      do_is(const char_type* __lo, const char_type* __hi, mask* __vec) const;
+# 1286 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.h" 3
+      virtual const char_type*
+      do_scan_is(mask __m, const char_type* __lo, const char_type* __hi) const;
+# 1304 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.h" 3
+      virtual const char_type*
+      do_scan_not(mask __m, const char_type* __lo,
+    const char_type* __hi) const;
+# 1321 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.h" 3
+      virtual char_type
+      do_toupper(char_type __c) const;
+# 1338 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.h" 3
+      virtual const char_type*
+      do_toupper(char_type* __lo, const char_type* __hi) const;
+# 1354 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.h" 3
+      virtual char_type
+      do_tolower(char_type __c) const;
+# 1371 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.h" 3
+      virtual const char_type*
+      do_tolower(char_type* __lo, const char_type* __hi) const;
+# 1391 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.h" 3
+      virtual char_type
+      do_widen(char __c) const;
+# 1413 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.h" 3
+      virtual const char*
+      do_widen(const char* __lo, const char* __hi, char_type* __to) const;
+# 1436 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.h" 3
+      virtual char
+      do_narrow(char_type __c, char __dfault) const;
+# 1462 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.h" 3
+      virtual const char_type*
+      do_narrow(const char_type* __lo, const char_type* __hi,
+  char __dfault, char* __to) const;
+
+
+      void
+      _M_initialize_ctype() throw();
+    };
+
+
+
+  template<typename _CharT>
+    class ctype_byname : public ctype<_CharT>
+    {
+    public:
+      typedef typename ctype<_CharT>::mask mask;
+
+      explicit
+      ctype_byname(const char* __s, size_t __refs = 0);
+
+
+      explicit
+      ctype_byname(const string& __s, size_t __refs = 0)
+      : ctype_byname(__s.c_str(), __refs) { }
+
+
+    protected:
+      virtual
+      ~ctype_byname() { };
+    };
+
+
+  template<>
+    class ctype_byname<char> : public ctype<char>
+    {
+    public:
+      explicit
+      ctype_byname(const char* __s, size_t __refs = 0);
+
+
+      explicit
+      ctype_byname(const string& __s, size_t __refs = 0);
+
+
+    protected:
+      virtual
+      ~ctype_byname();
+    };
+
+
+  template<>
+    class ctype_byname<wchar_t> : public ctype<wchar_t>
+    {
+    public:
+      explicit
+      ctype_byname(const char* __s, size_t __refs = 0);
+
+
+      explicit
+      ctype_byname(const string& __s, size_t __refs = 0);
+
+
+    protected:
+      virtual
+      ~ctype_byname();
+    };
+
+
+
+}
+
+
+# 1 "/aux/hubicka/trunk-install/include/c++/6.0.0/x86_64-pc-linux-gnu/bits/ctype_inline.h" 1 3
+# 37 "/aux/hubicka/trunk-install/include/c++/6.0.0/x86_64-pc-linux-gnu/bits/ctype_inline.h" 3
+namespace std __attribute__ ((__visibility__ ("default")))
+{
+
+
+  bool
+  ctype<char>::
+  is(mask __m, char __c) const
+  { return _M_table[static_cast<unsigned char>(__c)] & __m; }
+
+  const char*
+  ctype<char>::
+  is(const char* __low, const char* __high, mask* __vec) const
+  {
+    while (__low < __high)
+      *__vec++ = _M_table[static_cast<unsigned char>(*__low++)];
+    return __high;
+  }
+
+  const char*
+  ctype<char>::
+  scan_is(mask __m, const char* __low, const char* __high) const
+  {
+    while (__low < __high
+    && !(_M_table[static_cast<unsigned char>(*__low)] & __m))
+      ++__low;
+    return __low;
+  }
+
+  const char*
+  ctype<char>::
+  scan_not(mask __m, const char* __low, const char* __high) const
+  {
+    while (__low < __high
+    && (_M_table[static_cast<unsigned char>(*__low)] & __m) != 0)
+      ++__low;
+    return __low;
+  }
+
+
+}
+# 1535 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.h" 2 3
+
+namespace std __attribute__ ((__visibility__ ("default")))
+{
+
+
+
+  class __num_base
+  {
+  public:
+
+
+    enum
+      {
+ _S_ominus,
+ _S_oplus,
+ _S_ox,
+ _S_oX,
+ _S_odigits,
+ _S_odigits_end = _S_odigits + 16,
+ _S_oudigits = _S_odigits_end,
+ _S_oudigits_end = _S_oudigits + 16,
+ _S_oe = _S_odigits + 14,
+ _S_oE = _S_oudigits + 14,
+ _S_oend = _S_oudigits_end
+      };
+
+
+
+
+
+
+    static const char* _S_atoms_out;
+
+
+
+    static const char* _S_atoms_in;
+
+    enum
+    {
+      _S_iminus,
+      _S_iplus,
+      _S_ix,
+      _S_iX,
+      _S_izero,
+      _S_ie = _S_izero + 14,
+      _S_iE = _S_izero + 20,
+      _S_iend = 26
+    };
+
+
+
+    static void
+    _S_format_float(const ios_base& __io, char* __fptr, char __mod) throw();
+  };
+
+  template<typename _CharT>
+    struct __numpunct_cache : public locale::facet
+    {
+      const char* _M_grouping;
+      size_t _M_grouping_size;
+      bool _M_use_grouping;
+      const _CharT* _M_truename;
+      size_t _M_truename_size;
+      const _CharT* _M_falsename;
+      size_t _M_falsename_size;
+      _CharT _M_decimal_point;
+      _CharT _M_thousands_sep;
+
+
+
+
+
+      _CharT _M_atoms_out[__num_base::_S_oend];
+
+
+
+
+
+      _CharT _M_atoms_in[__num_base::_S_iend];
+
+      bool _M_allocated;
+
+      __numpunct_cache(size_t __refs = 0)
+      : facet(__refs), _M_grouping(0), _M_grouping_size(0),
+ _M_use_grouping(false),
+ _M_truename(0), _M_truename_size(0), _M_falsename(0),
+ _M_falsename_size(0), _M_decimal_point(_CharT()),
+ _M_thousands_sep(_CharT()), _M_allocated(false)
+ { }
+
+      ~__numpunct_cache();
+
+      void
+      _M_cache(const locale& __loc);
+
+    private:
+      __numpunct_cache&
+      operator=(const __numpunct_cache&);
+
+      explicit
+      __numpunct_cache(const __numpunct_cache&);
+    };
+
+  template<typename _CharT>
+    __numpunct_cache<_CharT>::~__numpunct_cache()
+    {
+      if (_M_allocated)
+ {
+   delete [] _M_grouping;
+   delete [] _M_truename;
+   delete [] _M_falsename;
+ }
+    }
+
+namespace __cxx11 {
+# 1665 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.h" 3
+  template<typename _CharT>
+    class numpunct : public locale::facet
+    {
+    public:
+
+
+
+      typedef _CharT char_type;
+      typedef basic_string<_CharT> string_type;
+
+      typedef __numpunct_cache<_CharT> __cache_type;
+
+    protected:
+      __cache_type* _M_data;
+
+    public:
+
+      static locale::id id;
+
+
+
+
+
+
+      explicit
+      numpunct(size_t __refs = 0)
+      : facet(__refs), _M_data(0)
+      { _M_initialize_numpunct(); }
+# 1703 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.h" 3
+      explicit
+      numpunct(__cache_type* __cache, size_t __refs = 0)
+      : facet(__refs), _M_data(__cache)
+      { _M_initialize_numpunct(); }
+# 1717 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.h" 3
+      explicit
+      numpunct(__c_locale __cloc, size_t __refs = 0)
+      : facet(__refs), _M_data(0)
+      { _M_initialize_numpunct(__cloc); }
+# 1731 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.h" 3
+      char_type
+      decimal_point() const
+      { return this->do_decimal_point(); }
+# 1744 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.h" 3
+      char_type
+      thousands_sep() const
+      { return this->do_thousands_sep(); }
+# 1775 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.h" 3
+      string
+      grouping() const
+      { return this->do_grouping(); }
+# 1788 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.h" 3
+      string_type
+      truename() const
+      { return this->do_truename(); }
+# 1801 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.h" 3
+      string_type
+      falsename() const
+      { return this->do_falsename(); }
+
+    protected:
+
+      virtual
+      ~numpunct();
+# 1818 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.h" 3
+      virtual char_type
+      do_decimal_point() const
+      { return _M_data->_M_decimal_point; }
+# 1830 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.h" 3
+      virtual char_type
+      do_thousands_sep() const
+      { return _M_data->_M_thousands_sep; }
+# 1843 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.h" 3
+      virtual string
+      do_grouping() const
+      { return _M_data->_M_grouping; }
+# 1856 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.h" 3
+      virtual string_type
+      do_truename() const
+      { return _M_data->_M_truename; }
+# 1869 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.h" 3
+      virtual string_type
+      do_falsename() const
+      { return _M_data->_M_falsename; }
+
+
+      void
+      _M_initialize_numpunct(__c_locale __cloc = 0);
+    };
+
+  template<typename _CharT>
+    locale::id numpunct<_CharT>::id;
+
+  template<>
+    numpunct<char>::~numpunct();
+
+  template<>
+    void
+    numpunct<char>::_M_initialize_numpunct(__c_locale __cloc);
+
+
+  template<>
+    numpunct<wchar_t>::~numpunct();
+
+  template<>
+    void
+    numpunct<wchar_t>::_M_initialize_numpunct(__c_locale __cloc);
+
+
+
+  template<typename _CharT>
+    class numpunct_byname : public numpunct<_CharT>
+    {
+    public:
+      typedef _CharT char_type;
+      typedef basic_string<_CharT> string_type;
+
+      explicit
+      numpunct_byname(const char* __s, size_t __refs = 0)
+      : numpunct<_CharT>(__refs)
+      {
+ if (__builtin_strcmp(__s, "C") != 0
+     && __builtin_strcmp(__s, "POSIX") != 0)
+   {
+     __c_locale __tmp;
+     this->_S_create_c_locale(__tmp, __s);
+     this->_M_initialize_numpunct(__tmp);
+     this->_S_destroy_c_locale(__tmp);
+   }
+      }
+
+
+      explicit
+      numpunct_byname(const string& __s, size_t __refs = 0)
+      : numpunct_byname(__s.c_str(), __refs) { }
+
+
+    protected:
+      virtual
+      ~numpunct_byname() { }
+    };
+
+}
+
+
+# 1947 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.h" 3
+  template<typename _CharT, typename _InIter>
+    class num_get : public locale::facet
+    {
+    public:
+
+
+
+      typedef _CharT char_type;
+      typedef _InIter iter_type;
+
+
+
+      static locale::id id;
+# 1968 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.h" 3
+      explicit
+      num_get(size_t __refs = 0) : facet(__refs) { }
+# 1994 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.h" 3
+      iter_type
+      get(iter_type __in, iter_type __end, ios_base& __io,
+   ios_base::iostate& __err, bool& __v) const
+      { return this->do_get(__in, __end, __io, __err, __v); }
+# 2031 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.h" 3
+      iter_type
+      get(iter_type __in, iter_type __end, ios_base& __io,
+   ios_base::iostate& __err, long& __v) const
+      { return this->do_get(__in, __end, __io, __err, __v); }
+
+      iter_type
+      get(iter_type __in, iter_type __end, ios_base& __io,
+   ios_base::iostate& __err, unsigned short& __v) const
+      { return this->do_get(__in, __end, __io, __err, __v); }
+
+      iter_type
+      get(iter_type __in, iter_type __end, ios_base& __io,
+   ios_base::iostate& __err, unsigned int& __v) const
+      { return this->do_get(__in, __end, __io, __err, __v); }
+
+      iter_type
+      get(iter_type __in, iter_type __end, ios_base& __io,
+   ios_base::iostate& __err, unsigned long& __v) const
+      { return this->do_get(__in, __end, __io, __err, __v); }
+
+
+      iter_type
+      get(iter_type __in, iter_type __end, ios_base& __io,
+   ios_base::iostate& __err, long long& __v) const
+      { return this->do_get(__in, __end, __io, __err, __v); }
+
+      iter_type
+      get(iter_type __in, iter_type __end, ios_base& __io,
+   ios_base::iostate& __err, unsigned long long& __v) const
+      { return this->do_get(__in, __end, __io, __err, __v); }
+# 2091 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.h" 3
+      iter_type
+      get(iter_type __in, iter_type __end, ios_base& __io,
+   ios_base::iostate& __err, float& __v) const
+      { return this->do_get(__in, __end, __io, __err, __v); }
+
+      iter_type
+      get(iter_type __in, iter_type __end, ios_base& __io,
+   ios_base::iostate& __err, double& __v) const
+      { return this->do_get(__in, __end, __io, __err, __v); }
+
+      iter_type
+      get(iter_type __in, iter_type __end, ios_base& __io,
+   ios_base::iostate& __err, long double& __v) const
+      { return this->do_get(__in, __end, __io, __err, __v); }
+# 2134 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.h" 3
+      iter_type
+      get(iter_type __in, iter_type __end, ios_base& __io,
+   ios_base::iostate& __err, void*& __v) const
+      { return this->do_get(__in, __end, __io, __err, __v); }
+
+    protected:
+
+      virtual ~num_get() { }
+
+      __attribute ((__abi_tag__ ("cxx11")))
+      iter_type
+      _M_extract_float(iter_type, iter_type, ios_base&, ios_base::iostate&,
+         string&) const;
+
+      template<typename _ValueT>
+ __attribute ((__abi_tag__ ("cxx11")))
+ iter_type
+ _M_extract_int(iter_type, iter_type, ios_base&, ios_base::iostate&,
+         _ValueT&) const;
+
+      template<typename _CharT2>
+      typename __gnu_cxx::__enable_if<__is_char<_CharT2>::__value, int>::__type
+ _M_find(const _CharT2*, size_t __len, _CharT2 __c) const
+ {
+   int __ret = -1;
+   if (__len <= 10)
+     {
+       if (__c >= _CharT2('0') && __c < _CharT2(_CharT2('0') + __len))
+  __ret = __c - _CharT2('0');
+     }
+   else
+     {
+       if (__c >= _CharT2('0') && __c <= _CharT2('9'))
+  __ret = __c - _CharT2('0');
+       else if (__c >= _CharT2('a') && __c <= _CharT2('f'))
+  __ret = 10 + (__c - _CharT2('a'));
+       else if (__c >= _CharT2('A') && __c <= _CharT2('F'))
+  __ret = 10 + (__c - _CharT2('A'));
+     }
+   return __ret;
+ }
+
+      template<typename _CharT2>
+      typename __gnu_cxx::__enable_if<!__is_char<_CharT2>::__value,
+          int>::__type
+ _M_find(const _CharT2* __zero, size_t __len, _CharT2 __c) const
+ {
+   int __ret = -1;
+   const char_type* __q = char_traits<_CharT2>::find(__zero, __len, __c);
+   if (__q)
+     {
+       __ret = __q - __zero;
+       if (__ret > 15)
+  __ret -= 6;
+     }
+   return __ret;
+ }
+# 2207 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.h" 3
+      virtual iter_type
+      do_get(iter_type, iter_type, ios_base&, ios_base::iostate&, bool&) const;
+
+      virtual iter_type
+      do_get(iter_type __beg, iter_type __end, ios_base& __io,
+      ios_base::iostate& __err, long& __v) const
+      { return _M_extract_int(__beg, __end, __io, __err, __v); }
+
+      virtual iter_type
+      do_get(iter_type __beg, iter_type __end, ios_base& __io,
+      ios_base::iostate& __err, unsigned short& __v) const
+      { return _M_extract_int(__beg, __end, __io, __err, __v); }
+
+      virtual iter_type
+      do_get(iter_type __beg, iter_type __end, ios_base& __io,
+      ios_base::iostate& __err, unsigned int& __v) const
+      { return _M_extract_int(__beg, __end, __io, __err, __v); }
+
+      virtual iter_type
+      do_get(iter_type __beg, iter_type __end, ios_base& __io,
+      ios_base::iostate& __err, unsigned long& __v) const
+      { return _M_extract_int(__beg, __end, __io, __err, __v); }
+
+
+      virtual iter_type
+      do_get(iter_type __beg, iter_type __end, ios_base& __io,
+      ios_base::iostate& __err, long long& __v) const
+      { return _M_extract_int(__beg, __end, __io, __err, __v); }
+
+      virtual iter_type
+      do_get(iter_type __beg, iter_type __end, ios_base& __io,
+      ios_base::iostate& __err, unsigned long long& __v) const
+      { return _M_extract_int(__beg, __end, __io, __err, __v); }
+
+
+      virtual iter_type
+      do_get(iter_type, iter_type, ios_base&, ios_base::iostate&, float&) const;
+
+      virtual iter_type
+      do_get(iter_type, iter_type, ios_base&, ios_base::iostate&,
+      double&) const;
+
+
+
+
+
+
+
+      virtual iter_type
+      do_get(iter_type, iter_type, ios_base&, ios_base::iostate&,
+      long double&) const;
+
+
+      virtual iter_type
+      do_get(iter_type, iter_type, ios_base&, ios_base::iostate&, void*&) const;
+# 2270 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.h" 3
+    };
+
+  template<typename _CharT, typename _InIter>
+    locale::id num_get<_CharT, _InIter>::id;
+# 2288 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.h" 3
+  template<typename _CharT, typename _OutIter>
+    class num_put : public locale::facet
+    {
+    public:
+
+
+
+      typedef _CharT char_type;
+      typedef _OutIter iter_type;
+
+
+
+      static locale::id id;
+# 2309 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.h" 3
+      explicit
+      num_put(size_t __refs = 0) : facet(__refs) { }
+# 2327 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.h" 3
+      iter_type
+      put(iter_type __s, ios_base& __io, char_type __fill, bool __v) const
+      { return this->do_put(__s, __io, __fill, __v); }
+# 2369 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.h" 3
+      iter_type
+      put(iter_type __s, ios_base& __io, char_type __fill, long __v) const
+      { return this->do_put(__s, __io, __fill, __v); }
+
+      iter_type
+      put(iter_type __s, ios_base& __io, char_type __fill,
+   unsigned long __v) const
+      { return this->do_put(__s, __io, __fill, __v); }
+
+
+      iter_type
+      put(iter_type __s, ios_base& __io, char_type __fill, long long __v) const
+      { return this->do_put(__s, __io, __fill, __v); }
+
+      iter_type
+      put(iter_type __s, ios_base& __io, char_type __fill,
+   unsigned long long __v) const
+      { return this->do_put(__s, __io, __fill, __v); }
+# 2432 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.h" 3
+      iter_type
+      put(iter_type __s, ios_base& __io, char_type __fill, double __v) const
+      { return this->do_put(__s, __io, __fill, __v); }
+
+      iter_type
+      put(iter_type __s, ios_base& __io, char_type __fill,
+   long double __v) const
+      { return this->do_put(__s, __io, __fill, __v); }
+# 2457 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.h" 3
+      iter_type
+      put(iter_type __s, ios_base& __io, char_type __fill,
+   const void* __v) const
+      { return this->do_put(__s, __io, __fill, __v); }
+
+    protected:
+      template<typename _ValueT>
+ iter_type
+ _M_insert_float(iter_type, ios_base& __io, char_type __fill,
+   char __mod, _ValueT __v) const;
+
+      void
+      _M_group_float(const char* __grouping, size_t __grouping_size,
+       char_type __sep, const char_type* __p, char_type* __new,
+       char_type* __cs, int& __len) const;
+
+      template<typename _ValueT>
+ iter_type
+ _M_insert_int(iter_type, ios_base& __io, char_type __fill,
+        _ValueT __v) const;
+
+      void
+      _M_group_int(const char* __grouping, size_t __grouping_size,
+     char_type __sep, ios_base& __io, char_type* __new,
+     char_type* __cs, int& __len) const;
+
+      void
+      _M_pad(char_type __fill, streamsize __w, ios_base& __io,
+      char_type* __new, const char_type* __cs, int& __len) const;
+
+
+      virtual
+      ~num_put() { };
+# 2505 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.h" 3
+      virtual iter_type
+      do_put(iter_type __s, ios_base& __io, char_type __fill, bool __v) const;
+
+      virtual iter_type
+      do_put(iter_type __s, ios_base& __io, char_type __fill, long __v) const
+      { return _M_insert_int(__s, __io, __fill, __v); }
+
+      virtual iter_type
+      do_put(iter_type __s, ios_base& __io, char_type __fill,
+      unsigned long __v) const
+      { return _M_insert_int(__s, __io, __fill, __v); }
+
+
+      virtual iter_type
+      do_put(iter_type __s, ios_base& __io, char_type __fill,
+      long long __v) const
+      { return _M_insert_int(__s, __io, __fill, __v); }
+
+      virtual iter_type
+      do_put(iter_type __s, ios_base& __io, char_type __fill,
+      unsigned long long __v) const
+      { return _M_insert_int(__s, __io, __fill, __v); }
+
+
+      virtual iter_type
+      do_put(iter_type, ios_base&, char_type, double) const;
+
+
+
+
+
+
+      virtual iter_type
+      do_put(iter_type, ios_base&, char_type, long double) const;
+
+
+      virtual iter_type
+      do_put(iter_type, ios_base&, char_type, const void*) const;
+
+
+
+
+
+
+
+    };
+
+  template <typename _CharT, typename _OutIter>
+    locale::id num_put<_CharT, _OutIter>::id;
+
+
+
+
+
+
+
+
+
+  template<typename _CharT>
+    inline bool
+    isspace(_CharT __c, const locale& __loc)
+    { return use_facet<ctype<_CharT> >(__loc).is(ctype_base::space, __c); }
+
+
+  template<typename _CharT>
+    inline bool
+    isprint(_CharT __c, const locale& __loc)
+    { return use_facet<ctype<_CharT> >(__loc).is(ctype_base::print, __c); }
+
+
+  template<typename _CharT>
+    inline bool
+    iscntrl(_CharT __c, const locale& __loc)
+    { return use_facet<ctype<_CharT> >(__loc).is(ctype_base::cntrl, __c); }
+
+
+  template<typename _CharT>
+    inline bool
+    isupper(_CharT __c, const locale& __loc)
+    { return use_facet<ctype<_CharT> >(__loc).is(ctype_base::upper, __c); }
+
+
+  template<typename _CharT>
+    inline bool
+    islower(_CharT __c, const locale& __loc)
+    { return use_facet<ctype<_CharT> >(__loc).is(ctype_base::lower, __c); }
+
+
+  template<typename _CharT>
+    inline bool
+    isalpha(_CharT __c, const locale& __loc)
+    { return use_facet<ctype<_CharT> >(__loc).is(ctype_base::alpha, __c); }
+
+
+  template<typename _CharT>
+    inline bool
+    isdigit(_CharT __c, const locale& __loc)
+    { return use_facet<ctype<_CharT> >(__loc).is(ctype_base::digit, __c); }
+
+
+  template<typename _CharT>
+    inline bool
+    ispunct(_CharT __c, const locale& __loc)
+    { return use_facet<ctype<_CharT> >(__loc).is(ctype_base::punct, __c); }
+
+
+  template<typename _CharT>
+    inline bool
+    isxdigit(_CharT __c, const locale& __loc)
+    { return use_facet<ctype<_CharT> >(__loc).is(ctype_base::xdigit, __c); }
+
+
+  template<typename _CharT>
+    inline bool
+    isalnum(_CharT __c, const locale& __loc)
+    { return use_facet<ctype<_CharT> >(__loc).is(ctype_base::alnum, __c); }
+
+
+  template<typename _CharT>
+    inline bool
+    isgraph(_CharT __c, const locale& __loc)
+    { return use_facet<ctype<_CharT> >(__loc).is(ctype_base::graph, __c); }
+
+
+
+  template<typename _CharT>
+    inline bool
+    isblank(_CharT __c, const locale& __loc)
+    { return use_facet<ctype<_CharT> >(__loc).is(ctype_base::blank, __c); }
+
+
+
+  template<typename _CharT>
+    inline _CharT
+    toupper(_CharT __c, const locale& __loc)
+    { return use_facet<ctype<_CharT> >(__loc).toupper(__c); }
+
+
+  template<typename _CharT>
+    inline _CharT
+    tolower(_CharT __c, const locale& __loc)
+    { return use_facet<ctype<_CharT> >(__loc).tolower(__c); }
+
+
+}
+
+# 1 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.tcc" 1 3
+# 33 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.tcc" 3
+       
+# 34 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.tcc" 3
+
+namespace std __attribute__ ((__visibility__ ("default")))
+{
+
+
+
+
+  template<typename _Facet>
+    struct __use_cache
+    {
+      const _Facet*
+      operator() (const locale& __loc) const;
+    };
+
+
+  template<typename _CharT>
+    struct __use_cache<__numpunct_cache<_CharT> >
+    {
+      const __numpunct_cache<_CharT>*
+      operator() (const locale& __loc) const
+      {
+ const size_t __i = numpunct<_CharT>::id._M_id();
+ const locale::facet** __caches = __loc._M_impl->_M_caches;
+ if (!__caches[__i])
+   {
+     __numpunct_cache<_CharT>* __tmp = 0;
+     try
+       {
+  __tmp = new __numpunct_cache<_CharT>;
+  __tmp->_M_cache(__loc);
+       }
+     catch(...)
+       {
+  delete __tmp;
+  throw;
+       }
+     __loc._M_impl->_M_install_cache(__tmp, __i);
+   }
+ return static_cast<const __numpunct_cache<_CharT>*>(__caches[__i]);
+      }
+    };
+
+  template<typename _CharT>
+    void
+    __numpunct_cache<_CharT>::_M_cache(const locale& __loc)
+    {
+      const numpunct<_CharT>& __np = use_facet<numpunct<_CharT> >(__loc);
+
+      char* __grouping = 0;
+      _CharT* __truename = 0;
+      _CharT* __falsename = 0;
+      try
+ {
+   const string& __g = __np.grouping();
+   _M_grouping_size = __g.size();
+   __grouping = new char[_M_grouping_size];
+   __g.copy(__grouping, _M_grouping_size);
+   _M_use_grouping = (_M_grouping_size
+        && static_cast<signed char>(__grouping[0]) > 0
+        && (__grouping[0]
+     != __gnu_cxx::__numeric_traits<char>::__max));
+
+   const basic_string<_CharT>& __tn = __np.truename();
+   _M_truename_size = __tn.size();
+   __truename = new _CharT[_M_truename_size];
+   __tn.copy(__truename, _M_truename_size);
+
+   const basic_string<_CharT>& __fn = __np.falsename();
+   _M_falsename_size = __fn.size();
+   __falsename = new _CharT[_M_falsename_size];
+   __fn.copy(__falsename, _M_falsename_size);
+
+   _M_decimal_point = __np.decimal_point();
+   _M_thousands_sep = __np.thousands_sep();
+
+   const ctype<_CharT>& __ct = use_facet<ctype<_CharT> >(__loc);
+   __ct.widen(__num_base::_S_atoms_out,
+       __num_base::_S_atoms_out
+       + __num_base::_S_oend, _M_atoms_out);
+   __ct.widen(__num_base::_S_atoms_in,
+       __num_base::_S_atoms_in
+       + __num_base::_S_iend, _M_atoms_in);
+
+   _M_grouping = __grouping;
+   _M_truename = __truename;
+   _M_falsename = __falsename;
+   _M_allocated = true;
+ }
+      catch(...)
+ {
+   delete [] __grouping;
+   delete [] __truename;
+   delete [] __falsename;
+   throw;
+ }
+    }
+# 139 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.tcc" 3
+  __attribute__ ((__pure__)) bool
+  __verify_grouping(const char* __grouping, size_t __grouping_size,
+      const string& __grouping_tmp) throw ();
+
+
+
+  template<typename _CharT, typename _InIter>
+    __attribute ((__abi_tag__ ("cxx11")))
+    _InIter
+    num_get<_CharT, _InIter>::
+    _M_extract_float(_InIter __beg, _InIter __end, ios_base& __io,
+       ios_base::iostate& __err, string& __xtrc) const
+    {
+      typedef char_traits<_CharT> __traits_type;
+      typedef __numpunct_cache<_CharT> __cache_type;
+      __use_cache<__cache_type> __uc;
+      const locale& __loc = __io._M_getloc();
+      const __cache_type* __lc = __uc(__loc);
+      const _CharT* __lit = __lc->_M_atoms_in;
+      char_type __c = char_type();
+
+
+      bool __testeof = __beg == __end;
+
+
+      if (!__testeof)
+ {
+   __c = *__beg;
+   const bool __plus = __c == __lit[__num_base::_S_iplus];
+   if ((__plus || __c == __lit[__num_base::_S_iminus])
+       && !(__lc->_M_use_grouping && __c == __lc->_M_thousands_sep)
+       && !(__c == __lc->_M_decimal_point))
+     {
+       __xtrc += __plus ? '+' : '-';
+       if (++__beg != __end)
+  __c = *__beg;
+       else
+  __testeof = true;
+     }
+ }
+
+
+      bool __found_mantissa = false;
+      int __sep_pos = 0;
+      while (!__testeof)
+ {
+   if ((__lc->_M_use_grouping && __c == __lc->_M_thousands_sep)
+       || __c == __lc->_M_decimal_point)
+     break;
+   else if (__c == __lit[__num_base::_S_izero])
+     {
+       if (!__found_mantissa)
+  {
+    __xtrc += '0';
+    __found_mantissa = true;
+  }
+       ++__sep_pos;
+
+       if (++__beg != __end)
+  __c = *__beg;
+       else
+  __testeof = true;
+     }
+   else
+     break;
+ }
+
+
+      bool __found_dec = false;
+      bool __found_sci = false;
+      string __found_grouping;
+      if (__lc->_M_use_grouping)
+ __found_grouping.reserve(32);
+      const char_type* __lit_zero = __lit + __num_base::_S_izero;
+
+      if (!__lc->_M_allocated)
+
+ while (!__testeof)
+   {
+     const int __digit = _M_find(__lit_zero, 10, __c);
+     if (__digit != -1)
+       {
+  __xtrc += '0' + __digit;
+  __found_mantissa = true;
+       }
+     else if (__c == __lc->_M_decimal_point
+       && !__found_dec && !__found_sci)
+       {
+  __xtrc += '.';
+  __found_dec = true;
+       }
+     else if ((__c == __lit[__num_base::_S_ie]
+        || __c == __lit[__num_base::_S_iE])
+       && !__found_sci && __found_mantissa)
+       {
+
+  __xtrc += 'e';
+  __found_sci = true;
+
+
+  if (++__beg != __end)
+    {
+      __c = *__beg;
+      const bool __plus = __c == __lit[__num_base::_S_iplus];
+      if (__plus || __c == __lit[__num_base::_S_iminus])
+        __xtrc += __plus ? '+' : '-';
+      else
+        continue;
+    }
+  else
+    {
+      __testeof = true;
+      break;
+    }
+       }
+     else
+       break;
+
+     if (++__beg != __end)
+       __c = *__beg;
+     else
+       __testeof = true;
+   }
+      else
+ while (!__testeof)
+   {
+
+
+     if (__lc->_M_use_grouping && __c == __lc->_M_thousands_sep)
+       {
+  if (!__found_dec && !__found_sci)
+    {
+
+
+      if (__sep_pos)
+        {
+   __found_grouping += static_cast<char>(__sep_pos);
+   __sep_pos = 0;
+        }
+      else
+        {
+
+
+   __xtrc.clear();
+   break;
+        }
+    }
+  else
+    break;
+       }
+     else if (__c == __lc->_M_decimal_point)
+       {
+  if (!__found_dec && !__found_sci)
+    {
+
+
+
+      if (__found_grouping.size())
+        __found_grouping += static_cast<char>(__sep_pos);
+      __xtrc += '.';
+      __found_dec = true;
+    }
+  else
+    break;
+       }
+     else
+       {
+  const char_type* __q =
+    __traits_type::find(__lit_zero, 10, __c);
+  if (__q)
+    {
+      __xtrc += '0' + (__q - __lit_zero);
+      __found_mantissa = true;
+      ++__sep_pos;
+    }
+  else if ((__c == __lit[__num_base::_S_ie]
+     || __c == __lit[__num_base::_S_iE])
+    && !__found_sci && __found_mantissa)
+    {
+
+      if (__found_grouping.size() && !__found_dec)
+        __found_grouping += static_cast<char>(__sep_pos);
+      __xtrc += 'e';
+      __found_sci = true;
+
+
+      if (++__beg != __end)
+        {
+   __c = *__beg;
+   const bool __plus = __c == __lit[__num_base::_S_iplus];
+   if ((__plus || __c == __lit[__num_base::_S_iminus])
+       && !(__lc->_M_use_grouping
+     && __c == __lc->_M_thousands_sep)
+       && !(__c == __lc->_M_decimal_point))
+        __xtrc += __plus ? '+' : '-';
+   else
+     continue;
+        }
+      else
+        {
+   __testeof = true;
+   break;
+        }
+    }
+  else
+    break;
+       }
+
+     if (++__beg != __end)
+       __c = *__beg;
+     else
+       __testeof = true;
+   }
+
+
+
+      if (__found_grouping.size())
+        {
+
+   if (!__found_dec && !__found_sci)
+     __found_grouping += static_cast<char>(__sep_pos);
+
+          if (!std::__verify_grouping(__lc->_M_grouping,
+          __lc->_M_grouping_size,
+          __found_grouping))
+     __err = ios_base::failbit;
+        }
+
+      return __beg;
+    }
+
+  template<typename _CharT, typename _InIter>
+    template<typename _ValueT>
+      __attribute ((__abi_tag__ ("cxx11")))
+      _InIter
+      num_get<_CharT, _InIter>::
+      _M_extract_int(_InIter __beg, _InIter __end, ios_base& __io,
+       ios_base::iostate& __err, _ValueT& __v) const
+      {
+        typedef char_traits<_CharT> __traits_type;
+ using __gnu_cxx::__add_unsigned;
+ typedef typename __add_unsigned<_ValueT>::__type __unsigned_type;
+ typedef __numpunct_cache<_CharT> __cache_type;
+ __use_cache<__cache_type> __uc;
+ const locale& __loc = __io._M_getloc();
+ const __cache_type* __lc = __uc(__loc);
+ const _CharT* __lit = __lc->_M_atoms_in;
+ char_type __c = char_type();
+
+
+ const ios_base::fmtflags __basefield = __io.flags()
+                                        & ios_base::basefield;
+ const bool __oct = __basefield == ios_base::oct;
+ int __base = __oct ? 8 : (__basefield == ios_base::hex ? 16 : 10);
+
+
+ bool __testeof = __beg == __end;
+
+
+ bool __negative = false;
+ if (!__testeof)
+   {
+     __c = *__beg;
+     __negative = __c == __lit[__num_base::_S_iminus];
+     if ((__negative || __c == __lit[__num_base::_S_iplus])
+  && !(__lc->_M_use_grouping && __c == __lc->_M_thousands_sep)
+  && !(__c == __lc->_M_decimal_point))
+       {
+  if (++__beg != __end)
+    __c = *__beg;
+  else
+    __testeof = true;
+       }
+   }
+
+
+
+ bool __found_zero = false;
+ int __sep_pos = 0;
+ while (!__testeof)
+   {
+     if ((__lc->_M_use_grouping && __c == __lc->_M_thousands_sep)
+  || __c == __lc->_M_decimal_point)
+       break;
+     else if (__c == __lit[__num_base::_S_izero]
+       && (!__found_zero || __base == 10))
+       {
+  __found_zero = true;
+  ++__sep_pos;
+  if (__basefield == 0)
+    __base = 8;
+  if (__base == 8)
+    __sep_pos = 0;
+       }
+     else if (__found_zero
+       && (__c == __lit[__num_base::_S_ix]
+    || __c == __lit[__num_base::_S_iX]))
+       {
+  if (__basefield == 0)
+    __base = 16;
+  if (__base == 16)
+    {
+      __found_zero = false;
+      __sep_pos = 0;
+    }
+  else
+    break;
+       }
+     else
+       break;
+
+     if (++__beg != __end)
+       {
+  __c = *__beg;
+  if (!__found_zero)
+    break;
+       }
+     else
+       __testeof = true;
+   }
+
+
+
+ const size_t __len = (__base == 16 ? __num_base::_S_iend
+         - __num_base::_S_izero : __base);
+
+
+ string __found_grouping;
+ if (__lc->_M_use_grouping)
+   __found_grouping.reserve(32);
+ bool __testfail = false;
+ bool __testoverflow = false;
+ const __unsigned_type __max =
+   (__negative && __gnu_cxx::__numeric_traits<_ValueT>::__is_signed)
+   ? -__gnu_cxx::__numeric_traits<_ValueT>::__min
+   : __gnu_cxx::__numeric_traits<_ValueT>::__max;
+ const __unsigned_type __smax = __max / __base;
+ __unsigned_type __result = 0;
+ int __digit = 0;
+ const char_type* __lit_zero = __lit + __num_base::_S_izero;
+
+ if (!__lc->_M_allocated)
+
+   while (!__testeof)
+     {
+       __digit = _M_find(__lit_zero, __len, __c);
+       if (__digit == -1)
+  break;
+
+       if (__result > __smax)
+  __testoverflow = true;
+       else
+  {
+    __result *= __base;
+    __testoverflow |= __result > __max - __digit;
+    __result += __digit;
+    ++__sep_pos;
+  }
+
+       if (++__beg != __end)
+  __c = *__beg;
+       else
+  __testeof = true;
+     }
+ else
+   while (!__testeof)
+     {
+
+
+       if (__lc->_M_use_grouping && __c == __lc->_M_thousands_sep)
+  {
+
+
+    if (__sep_pos)
+      {
+        __found_grouping += static_cast<char>(__sep_pos);
+        __sep_pos = 0;
+      }
+    else
+      {
+        __testfail = true;
+        break;
+      }
+  }
+       else if (__c == __lc->_M_decimal_point)
+  break;
+       else
+  {
+    const char_type* __q =
+      __traits_type::find(__lit_zero, __len, __c);
+    if (!__q)
+      break;
+
+    __digit = __q - __lit_zero;
+    if (__digit > 15)
+      __digit -= 6;
+    if (__result > __smax)
+      __testoverflow = true;
+    else
+      {
+        __result *= __base;
+        __testoverflow |= __result > __max - __digit;
+        __result += __digit;
+        ++__sep_pos;
+      }
+  }
+
+       if (++__beg != __end)
+  __c = *__beg;
+       else
+  __testeof = true;
+     }
+
+
+
+ if (__found_grouping.size())
+   {
+
+     __found_grouping += static_cast<char>(__sep_pos);
+
+     if (!std::__verify_grouping(__lc->_M_grouping,
+     __lc->_M_grouping_size,
+     __found_grouping))
+       __err = ios_base::failbit;
+   }
+
+
+
+ if ((!__sep_pos && !__found_zero && !__found_grouping.size())
+     || __testfail)
+   {
+     __v = 0;
+     __err = ios_base::failbit;
+   }
+ else if (__testoverflow)
+   {
+     if (__negative
+  && __gnu_cxx::__numeric_traits<_ValueT>::__is_signed)
+       __v = __gnu_cxx::__numeric_traits<_ValueT>::__min;
+     else
+       __v = __gnu_cxx::__numeric_traits<_ValueT>::__max;
+     __err = ios_base::failbit;
+   }
+ else
+   __v = __negative ? -__result : __result;
+
+ if (__testeof)
+   __err |= ios_base::eofbit;
+ return __beg;
+      }
+
+
+
+  template<typename _CharT, typename _InIter>
+    _InIter
+    num_get<_CharT, _InIter>::
+    do_get(iter_type __beg, iter_type __end, ios_base& __io,
+           ios_base::iostate& __err, bool& __v) const
+    {
+      if (!(__io.flags() & ios_base::boolalpha))
+        {
+
+
+
+   long __l = -1;
+          __beg = _M_extract_int(__beg, __end, __io, __err, __l);
+   if (__l == 0 || __l == 1)
+     __v = bool(__l);
+   else
+     {
+
+
+       __v = true;
+       __err = ios_base::failbit;
+       if (__beg == __end)
+  __err |= ios_base::eofbit;
+     }
+        }
+      else
+        {
+
+   typedef __numpunct_cache<_CharT> __cache_type;
+   __use_cache<__cache_type> __uc;
+   const locale& __loc = __io._M_getloc();
+   const __cache_type* __lc = __uc(__loc);
+
+   bool __testf = true;
+   bool __testt = true;
+   bool __donef = __lc->_M_falsename_size == 0;
+   bool __donet = __lc->_M_truename_size == 0;
+   bool __testeof = false;
+   size_t __n = 0;
+   while (!__donef || !__donet)
+     {
+       if (__beg == __end)
+  {
+    __testeof = true;
+    break;
+  }
+
+       const char_type __c = *__beg;
+
+       if (!__donef)
+  __testf = __c == __lc->_M_falsename[__n];
+
+       if (!__testf && __donet)
+  break;
+
+       if (!__donet)
+  __testt = __c == __lc->_M_truename[__n];
+
+       if (!__testt && __donef)
+  break;
+
+       if (!__testt && !__testf)
+  break;
+
+       ++__n;
+       ++__beg;
+
+       __donef = !__testf || __n >= __lc->_M_falsename_size;
+       __donet = !__testt || __n >= __lc->_M_truename_size;
+     }
+   if (__testf && __n == __lc->_M_falsename_size && __n)
+     {
+       __v = false;
+       if (__testt && __n == __lc->_M_truename_size)
+  __err = ios_base::failbit;
+       else
+  __err = __testeof ? ios_base::eofbit : ios_base::goodbit;
+     }
+   else if (__testt && __n == __lc->_M_truename_size && __n)
+     {
+       __v = true;
+       __err = __testeof ? ios_base::eofbit : ios_base::goodbit;
+     }
+   else
+     {
+
+
+       __v = false;
+       __err = ios_base::failbit;
+       if (__testeof)
+  __err |= ios_base::eofbit;
+     }
+ }
+      return __beg;
+    }
+
+  template<typename _CharT, typename _InIter>
+    _InIter
+    num_get<_CharT, _InIter>::
+    do_get(iter_type __beg, iter_type __end, ios_base& __io,
+    ios_base::iostate& __err, float& __v) const
+    {
+      string __xtrc;
+      __xtrc.reserve(32);
+      __beg = _M_extract_float(__beg, __end, __io, __err, __xtrc);
+      std::__convert_to_v(__xtrc.c_str(), __v, __err, _S_get_c_locale());
+      if (__beg == __end)
+ __err |= ios_base::eofbit;
+      return __beg;
+    }
+
+  template<typename _CharT, typename _InIter>
+    _InIter
+    num_get<_CharT, _InIter>::
+    do_get(iter_type __beg, iter_type __end, ios_base& __io,
+           ios_base::iostate& __err, double& __v) const
+    {
+      string __xtrc;
+      __xtrc.reserve(32);
+      __beg = _M_extract_float(__beg, __end, __io, __err, __xtrc);
+      std::__convert_to_v(__xtrc.c_str(), __v, __err, _S_get_c_locale());
+      if (__beg == __end)
+ __err |= ios_base::eofbit;
+      return __beg;
+    }
+# 735 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.tcc" 3
+  template<typename _CharT, typename _InIter>
+    _InIter
+    num_get<_CharT, _InIter>::
+    do_get(iter_type __beg, iter_type __end, ios_base& __io,
+           ios_base::iostate& __err, long double& __v) const
+    {
+      string __xtrc;
+      __xtrc.reserve(32);
+      __beg = _M_extract_float(__beg, __end, __io, __err, __xtrc);
+      std::__convert_to_v(__xtrc.c_str(), __v, __err, _S_get_c_locale());
+      if (__beg == __end)
+ __err |= ios_base::eofbit;
+      return __beg;
+    }
+
+  template<typename _CharT, typename _InIter>
+    _InIter
+    num_get<_CharT, _InIter>::
+    do_get(iter_type __beg, iter_type __end, ios_base& __io,
+           ios_base::iostate& __err, void*& __v) const
+    {
+
+      typedef ios_base::fmtflags fmtflags;
+      const fmtflags __fmt = __io.flags();
+      __io.flags((__fmt & ~ios_base::basefield) | ios_base::hex);
+
+      typedef __gnu_cxx::__conditional_type<(sizeof(void*)
+          <= sizeof(unsigned long)),
+ unsigned long, unsigned long long>::__type _UIntPtrType;
+
+      _UIntPtrType __ul;
+      __beg = _M_extract_int(__beg, __end, __io, __err, __ul);
+
+
+      __io.flags(__fmt);
+
+      __v = reinterpret_cast<void*>(__ul);
+      return __beg;
+    }
+
+
+
+  template<typename _CharT, typename _OutIter>
+    void
+    num_put<_CharT, _OutIter>::
+    _M_pad(_CharT __fill, streamsize __w, ios_base& __io,
+    _CharT* __new, const _CharT* __cs, int& __len) const
+    {
+
+
+      __pad<_CharT, char_traits<_CharT> >::_S_pad(__io, __fill, __new,
+        __cs, __w, __len);
+      __len = static_cast<int>(__w);
+    }
+
+
+
+  template<typename _CharT, typename _ValueT>
+    int
+    __int_to_char(_CharT* __bufend, _ValueT __v, const _CharT* __lit,
+    ios_base::fmtflags __flags, bool __dec)
+    {
+      _CharT* __buf = __bufend;
+      if (__builtin_expect(__dec, true))
+ {
+
+   do
+     {
+       *--__buf = __lit[(__v % 10) + __num_base::_S_odigits];
+       __v /= 10;
+     }
+   while (__v != 0);
+ }
+      else if ((__flags & ios_base::basefield) == ios_base::oct)
+ {
+
+   do
+     {
+       *--__buf = __lit[(__v & 0x7) + __num_base::_S_odigits];
+       __v >>= 3;
+     }
+   while (__v != 0);
+ }
+      else
+ {
+
+   const bool __uppercase = __flags & ios_base::uppercase;
+   const int __case_offset = __uppercase ? __num_base::_S_oudigits
+                                         : __num_base::_S_odigits;
+   do
+     {
+       *--__buf = __lit[(__v & 0xf) + __case_offset];
+       __v >>= 4;
+     }
+   while (__v != 0);
+ }
+      return __bufend - __buf;
+    }
+
+
+
+  template<typename _CharT, typename _OutIter>
+    void
+    num_put<_CharT, _OutIter>::
+    _M_group_int(const char* __grouping, size_t __grouping_size, _CharT __sep,
+   ios_base&, _CharT* __new, _CharT* __cs, int& __len) const
+    {
+      _CharT* __p = std::__add_grouping(__new, __sep, __grouping,
+     __grouping_size, __cs, __cs + __len);
+      __len = __p - __new;
+    }
+
+  template<typename _CharT, typename _OutIter>
+    template<typename _ValueT>
+      _OutIter
+      num_put<_CharT, _OutIter>::
+      _M_insert_int(_OutIter __s, ios_base& __io, _CharT __fill,
+      _ValueT __v) const
+      {
+ using __gnu_cxx::__add_unsigned;
+ typedef typename __add_unsigned<_ValueT>::__type __unsigned_type;
+ typedef __numpunct_cache<_CharT> __cache_type;
+ __use_cache<__cache_type> __uc;
+ const locale& __loc = __io._M_getloc();
+ const __cache_type* __lc = __uc(__loc);
+ const _CharT* __lit = __lc->_M_atoms_out;
+ const ios_base::fmtflags __flags = __io.flags();
+
+
+ const int __ilen = 5 * sizeof(_ValueT);
+ _CharT* __cs = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
+            * __ilen));
+
+
+
+ const ios_base::fmtflags __basefield = __flags & ios_base::basefield;
+ const bool __dec = (__basefield != ios_base::oct
+       && __basefield != ios_base::hex);
+ const __unsigned_type __u = ((__v > 0 || !__dec)
+         ? __unsigned_type(__v)
+         : -__unsigned_type(__v));
+  int __len = __int_to_char(__cs + __ilen, __u, __lit, __flags, __dec);
+ __cs += __ilen - __len;
+
+
+ if (__lc->_M_use_grouping)
+   {
+
+
+     _CharT* __cs2 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
+          * (__len + 1)
+          * 2));
+     _M_group_int(__lc->_M_grouping, __lc->_M_grouping_size,
+    __lc->_M_thousands_sep, __io, __cs2 + 2, __cs, __len);
+     __cs = __cs2 + 2;
+   }
+
+
+ if (__builtin_expect(__dec, true))
+   {
+
+     if (__v >= 0)
+       {
+  if (bool(__flags & ios_base::showpos)
+      && __gnu_cxx::__numeric_traits<_ValueT>::__is_signed)
+    *--__cs = __lit[__num_base::_S_oplus], ++__len;
+       }
+     else
+       *--__cs = __lit[__num_base::_S_ominus], ++__len;
+   }
+ else if (bool(__flags & ios_base::showbase) && __v)
+   {
+     if (__basefield == ios_base::oct)
+       *--__cs = __lit[__num_base::_S_odigits], ++__len;
+     else
+       {
+
+  const bool __uppercase = __flags & ios_base::uppercase;
+  *--__cs = __lit[__num_base::_S_ox + __uppercase];
+
+  *--__cs = __lit[__num_base::_S_odigits];
+  __len += 2;
+       }
+   }
+
+
+ const streamsize __w = __io.width();
+ if (__w > static_cast<streamsize>(__len))
+   {
+     _CharT* __cs3 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
+          * __w));
+     _M_pad(__fill, __w, __io, __cs3, __cs, __len);
+     __cs = __cs3;
+   }
+ __io.width(0);
+
+
+
+ return std::__write(__s, __cs, __len);
+      }
+
+  template<typename _CharT, typename _OutIter>
+    void
+    num_put<_CharT, _OutIter>::
+    _M_group_float(const char* __grouping, size_t __grouping_size,
+     _CharT __sep, const _CharT* __p, _CharT* __new,
+     _CharT* __cs, int& __len) const
+    {
+
+
+
+      const int __declen = __p ? __p - __cs : __len;
+      _CharT* __p2 = std::__add_grouping(__new, __sep, __grouping,
+      __grouping_size,
+      __cs, __cs + __declen);
+
+
+      int __newlen = __p2 - __new;
+      if (__p)
+ {
+   char_traits<_CharT>::copy(__p2, __p, __len - __declen);
+   __newlen += __len - __declen;
+ }
+      __len = __newlen;
+    }
+# 971 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.tcc" 3
+  template<typename _CharT, typename _OutIter>
+    template<typename _ValueT>
+      _OutIter
+      num_put<_CharT, _OutIter>::
+      _M_insert_float(_OutIter __s, ios_base& __io, _CharT __fill, char __mod,
+         _ValueT __v) const
+      {
+ typedef __numpunct_cache<_CharT> __cache_type;
+ __use_cache<__cache_type> __uc;
+ const locale& __loc = __io._M_getloc();
+ const __cache_type* __lc = __uc(__loc);
+
+
+ const streamsize __prec = __io.precision() < 0 ? 6 : __io.precision();
+
+ const int __max_digits =
+   __gnu_cxx::__numeric_traits<_ValueT>::__digits10;
+
+
+ int __len;
+
+ char __fbuf[16];
+ __num_base::_S_format_float(__io, __fbuf, __mod);
+
+
+
+ const bool __use_prec =
+   (__io.flags() & ios_base::floatfield) != ios_base::floatfield;
+
+
+
+ int __cs_size = __max_digits * 3;
+ char* __cs = static_cast<char*>(__builtin_alloca(__cs_size));
+ if (__use_prec)
+   __len = std::__convert_from_v(_S_get_c_locale(), __cs, __cs_size,
+     __fbuf, __prec, __v);
+ else
+   __len = std::__convert_from_v(_S_get_c_locale(), __cs, __cs_size,
+     __fbuf, __v);
+
+
+ if (__len >= __cs_size)
+   {
+     __cs_size = __len + 1;
+     __cs = static_cast<char*>(__builtin_alloca(__cs_size));
+     if (__use_prec)
+       __len = std::__convert_from_v(_S_get_c_locale(), __cs, __cs_size,
+         __fbuf, __prec, __v);
+     else
+       __len = std::__convert_from_v(_S_get_c_locale(), __cs, __cs_size,
+         __fbuf, __v);
+   }
+# 1044 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.tcc" 3
+ const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
+
+ _CharT* __ws = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
+            * __len));
+ __ctype.widen(__cs, __cs + __len, __ws);
+
+
+ _CharT* __wp = 0;
+ const char* __p = char_traits<char>::find(__cs, __len, '.');
+ if (__p)
+   {
+     __wp = __ws + (__p - __cs);
+     *__wp = __lc->_M_decimal_point;
+   }
+
+
+
+
+ if (__lc->_M_use_grouping
+     && (__wp || __len < 3 || (__cs[1] <= '9' && __cs[2] <= '9'
+          && __cs[1] >= '0' && __cs[2] >= '0')))
+   {
+
+
+     _CharT* __ws2 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
+          * __len * 2));
+
+     streamsize __off = 0;
+     if (__cs[0] == '-' || __cs[0] == '+')
+       {
+  __off = 1;
+  __ws2[0] = __ws[0];
+  __len -= 1;
+       }
+
+     _M_group_float(__lc->_M_grouping, __lc->_M_grouping_size,
+      __lc->_M_thousands_sep, __wp, __ws2 + __off,
+      __ws + __off, __len);
+     __len += __off;
+
+     __ws = __ws2;
+   }
+
+
+ const streamsize __w = __io.width();
+ if (__w > static_cast<streamsize>(__len))
+   {
+     _CharT* __ws3 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
+          * __w));
+     _M_pad(__fill, __w, __io, __ws3, __ws, __len);
+     __ws = __ws3;
+   }
+ __io.width(0);
+
+
+
+ return std::__write(__s, __ws, __len);
+      }
+
+  template<typename _CharT, typename _OutIter>
+    _OutIter
+    num_put<_CharT, _OutIter>::
+    do_put(iter_type __s, ios_base& __io, char_type __fill, bool __v) const
+    {
+      const ios_base::fmtflags __flags = __io.flags();
+      if ((__flags & ios_base::boolalpha) == 0)
+        {
+          const long __l = __v;
+          __s = _M_insert_int(__s, __io, __fill, __l);
+        }
+      else
+        {
+   typedef __numpunct_cache<_CharT> __cache_type;
+   __use_cache<__cache_type> __uc;
+   const locale& __loc = __io._M_getloc();
+   const __cache_type* __lc = __uc(__loc);
+
+   const _CharT* __name = __v ? __lc->_M_truename
+                              : __lc->_M_falsename;
+   int __len = __v ? __lc->_M_truename_size
+                   : __lc->_M_falsename_size;
+
+   const streamsize __w = __io.width();
+   if (__w > static_cast<streamsize>(__len))
+     {
+       const streamsize __plen = __w - __len;
+       _CharT* __ps
+  = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
+       * __plen));
+
+       char_traits<_CharT>::assign(__ps, __plen, __fill);
+       __io.width(0);
+
+       if ((__flags & ios_base::adjustfield) == ios_base::left)
+  {
+    __s = std::__write(__s, __name, __len);
+    __s = std::__write(__s, __ps, __plen);
+  }
+       else
+  {
+    __s = std::__write(__s, __ps, __plen);
+    __s = std::__write(__s, __name, __len);
+  }
+       return __s;
+     }
+   __io.width(0);
+   __s = std::__write(__s, __name, __len);
+ }
+      return __s;
+    }
+
+  template<typename _CharT, typename _OutIter>
+    _OutIter
+    num_put<_CharT, _OutIter>::
+    do_put(iter_type __s, ios_base& __io, char_type __fill, double __v) const
+    { return _M_insert_float(__s, __io, __fill, char(), __v); }
+# 1169 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.tcc" 3
+  template<typename _CharT, typename _OutIter>
+    _OutIter
+    num_put<_CharT, _OutIter>::
+    do_put(iter_type __s, ios_base& __io, char_type __fill,
+    long double __v) const
+    { return _M_insert_float(__s, __io, __fill, 'L', __v); }
+
+  template<typename _CharT, typename _OutIter>
+    _OutIter
+    num_put<_CharT, _OutIter>::
+    do_put(iter_type __s, ios_base& __io, char_type __fill,
+           const void* __v) const
+    {
+      const ios_base::fmtflags __flags = __io.flags();
+      const ios_base::fmtflags __fmt = ~(ios_base::basefield
+      | ios_base::uppercase);
+      __io.flags((__flags & __fmt) | (ios_base::hex | ios_base::showbase));
+
+      typedef __gnu_cxx::__conditional_type<(sizeof(const void*)
+          <= sizeof(unsigned long)),
+ unsigned long, unsigned long long>::__type _UIntPtrType;
+
+      __s = _M_insert_int(__s, __io, __fill,
+     reinterpret_cast<_UIntPtrType>(__v));
+      __io.flags(__flags);
+      return __s;
+    }
+
+
+# 1206 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.tcc" 3
+  template<typename _CharT, typename _Traits>
+    void
+    __pad<_CharT, _Traits>::_S_pad(ios_base& __io, _CharT __fill,
+       _CharT* __news, const _CharT* __olds,
+       streamsize __newlen, streamsize __oldlen)
+    {
+      const size_t __plen = static_cast<size_t>(__newlen - __oldlen);
+      const ios_base::fmtflags __adjust = __io.flags() & ios_base::adjustfield;
+
+
+      if (__adjust == ios_base::left)
+ {
+   _Traits::copy(__news, __olds, __oldlen);
+   _Traits::assign(__news + __oldlen, __plen, __fill);
+   return;
+ }
+
+      size_t __mod = 0;
+      if (__adjust == ios_base::internal)
+ {
+
+
+
+          const locale& __loc = __io._M_getloc();
+   const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
+
+   if (__ctype.widen('-') == __olds[0]
+       || __ctype.widen('+') == __olds[0])
+     {
+       __news[0] = __olds[0];
+       __mod = 1;
+       ++__news;
+     }
+   else if (__ctype.widen('0') == __olds[0]
+     && __oldlen > 1
+     && (__ctype.widen('x') == __olds[1]
+         || __ctype.widen('X') == __olds[1]))
+     {
+       __news[0] = __olds[0];
+       __news[1] = __olds[1];
+       __mod = 2;
+       __news += 2;
+     }
+
+ }
+      _Traits::assign(__news, __plen, __fill);
+      _Traits::copy(__news + __plen, __olds + __mod, __oldlen - __mod);
+    }
+
+  template<typename _CharT>
+    _CharT*
+    __add_grouping(_CharT* __s, _CharT __sep,
+     const char* __gbeg, size_t __gsize,
+     const _CharT* __first, const _CharT* __last)
+    {
+      size_t __idx = 0;
+      size_t __ctr = 0;
+
+      while (__last - __first > __gbeg[__idx]
+      && static_cast<signed char>(__gbeg[__idx]) > 0
+      && __gbeg[__idx] != __gnu_cxx::__numeric_traits<char>::__max)
+ {
+   __last -= __gbeg[__idx];
+   __idx < __gsize - 1 ? ++__idx : ++__ctr;
+ }
+
+      while (__first != __last)
+ *__s++ = *__first++;
+
+      while (__ctr--)
+ {
+   *__s++ = __sep;
+   for (char __i = __gbeg[__idx]; __i > 0; --__i)
+     *__s++ = *__first++;
+ }
+
+      while (__idx--)
+ {
+   *__s++ = __sep;
+   for (char __i = __gbeg[__idx]; __i > 0; --__i)
+     *__s++ = *__first++;
+ }
+
+      return __s;
+    }
+
+
+
+
+  extern template class __cxx11:: numpunct<char>;
+  extern template class __cxx11:: numpunct_byname<char>;
+  extern template class num_get<char>;
+  extern template class num_put<char>;
+  extern template class ctype_byname<char>;
+
+  extern template
+    const ctype<char>&
+    use_facet<ctype<char> >(const locale&);
+
+  extern template
+    const numpunct<char>&
+    use_facet<numpunct<char> >(const locale&);
+
+  extern template
+    const num_put<char>&
+    use_facet<num_put<char> >(const locale&);
+
+  extern template
+    const num_get<char>&
+    use_facet<num_get<char> >(const locale&);
+
+  extern template
+    bool
+    has_facet<ctype<char> >(const locale&);
+
+  extern template
+    bool
+    has_facet<numpunct<char> >(const locale&);
+
+  extern template
+    bool
+    has_facet<num_put<char> >(const locale&);
+
+  extern template
+    bool
+    has_facet<num_get<char> >(const locale&);
+
+
+  extern template class __cxx11:: numpunct<wchar_t>;
+  extern template class __cxx11:: numpunct_byname<wchar_t>;
+  extern template class num_get<wchar_t>;
+  extern template class num_put<wchar_t>;
+  extern template class ctype_byname<wchar_t>;
+
+  extern template
+    const ctype<wchar_t>&
+    use_facet<ctype<wchar_t> >(const locale&);
+
+  extern template
+    const numpunct<wchar_t>&
+    use_facet<numpunct<wchar_t> >(const locale&);
+
+  extern template
+    const num_put<wchar_t>&
+    use_facet<num_put<wchar_t> >(const locale&);
+
+  extern template
+    const num_get<wchar_t>&
+    use_facet<num_get<wchar_t> >(const locale&);
+
+ extern template
+    bool
+    has_facet<ctype<wchar_t> >(const locale&);
+
+  extern template
+    bool
+    has_facet<numpunct<wchar_t> >(const locale&);
+
+  extern template
+    bool
+    has_facet<num_put<wchar_t> >(const locale&);
+
+  extern template
+    bool
+    has_facet<num_get<wchar_t> >(const locale&);
+
+
+
+
+}
+# 2652 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/locale_facets.h" 2 3
+# 38 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_ios.h" 2 3
+
+
+
+namespace std __attribute__ ((__visibility__ ("default")))
+{
+
+
+  template<typename _Facet>
+    inline const _Facet&
+    __check_facet(const _Facet* __f)
+    {
+      if (!__f)
+ __throw_bad_cast();
+      return *__f;
+    }
+# 66 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_ios.h" 3
+  template<typename _CharT, typename _Traits>
+    class basic_ios : public ios_base
+    {
+    public:
+
+
+
+
+
+
+      typedef _CharT char_type;
+      typedef typename _Traits::int_type int_type;
+      typedef typename _Traits::pos_type pos_type;
+      typedef typename _Traits::off_type off_type;
+      typedef _Traits traits_type;
+
+
+
+
+
+
+      typedef ctype<_CharT> __ctype_type;
+      typedef num_put<_CharT, ostreambuf_iterator<_CharT, _Traits> >
+           __num_put_type;
+      typedef num_get<_CharT, istreambuf_iterator<_CharT, _Traits> >
+           __num_get_type;
+
+
+
+    protected:
+      basic_ostream<_CharT, _Traits>* _M_tie;
+      mutable char_type _M_fill;
+      mutable bool _M_fill_init;
+      basic_streambuf<_CharT, _Traits>* _M_streambuf;
+
+
+      const __ctype_type* _M_ctype;
+
+      const __num_put_type* _M_num_put;
+
+      const __num_get_type* _M_num_get;
+
+    public:
+# 117 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_ios.h" 3
+      explicit operator bool() const
+      { return !this->fail(); }
+
+
+
+
+
+      bool
+      operator!() const
+      { return this->fail(); }
+# 136 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_ios.h" 3
+      iostate
+      rdstate() const
+      { return _M_streambuf_state; }
+# 147 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_ios.h" 3
+      void
+      clear(iostate __state = goodbit);
+
+
+
+
+
+
+
+      void
+      setstate(iostate __state)
+      { this->clear(this->rdstate() | __state); }
+
+
+
+
+      void
+      _M_setstate(iostate __state)
+      {
+
+
+ _M_streambuf_state |= __state;
+ if (this->exceptions() & __state)
+   throw;
+      }
+
+
+
+
+
+
+
+      bool
+      good() const
+      { return this->rdstate() == 0; }
+
+
+
+
+
+
+
+      bool
+      eof() const
+      { return (this->rdstate() & eofbit) != 0; }
+# 200 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_ios.h" 3
+      bool
+      fail() const
+      { return (this->rdstate() & (badbit | failbit)) != 0; }
+
+
+
+
+
+
+
+      bool
+      bad() const
+      { return (this->rdstate() & badbit) != 0; }
+# 221 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_ios.h" 3
+      iostate
+      exceptions() const
+      { return _M_exception; }
+# 256 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_ios.h" 3
+      void
+      exceptions(iostate __except)
+      {
+        _M_exception = __except;
+        this->clear(_M_streambuf_state);
+      }
+
+
+
+
+
+
+
+      explicit
+      basic_ios(basic_streambuf<_CharT, _Traits>* __sb)
+      : ios_base(), _M_tie(0), _M_fill(), _M_fill_init(false), _M_streambuf(0),
+ _M_ctype(0), _M_num_put(0), _M_num_get(0)
+      { this->init(__sb); }
+
+
+
+
+
+
+
+      virtual
+      ~basic_ios() { }
+# 294 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_ios.h" 3
+      basic_ostream<_CharT, _Traits>*
+      tie() const
+      { return _M_tie; }
+# 306 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_ios.h" 3
+      basic_ostream<_CharT, _Traits>*
+      tie(basic_ostream<_CharT, _Traits>* __tiestr)
+      {
+        basic_ostream<_CharT, _Traits>* __old = _M_tie;
+        _M_tie = __tiestr;
+        return __old;
+      }
+
+
+
+
+
+
+
+      basic_streambuf<_CharT, _Traits>*
+      rdbuf() const
+      { return _M_streambuf; }
+# 346 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_ios.h" 3
+      basic_streambuf<_CharT, _Traits>*
+      rdbuf(basic_streambuf<_CharT, _Traits>* __sb);
+# 360 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_ios.h" 3
+      basic_ios&
+      copyfmt(const basic_ios& __rhs);
+
+
+
+
+
+
+
+      char_type
+      fill() const
+      {
+ if (!_M_fill_init)
+   {
+     _M_fill = this->widen(' ');
+     _M_fill_init = true;
+   }
+ return _M_fill;
+      }
+# 389 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_ios.h" 3
+      char_type
+      fill(char_type __ch)
+      {
+ char_type __old = this->fill();
+ _M_fill = __ch;
+ return __old;
+      }
+# 409 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_ios.h" 3
+      locale
+      imbue(const locale& __loc);
+# 429 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_ios.h" 3
+      char
+      narrow(char_type __c, char __dfault) const
+      { return __check_facet(_M_ctype).narrow(__c, __dfault); }
+# 448 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_ios.h" 3
+      char_type
+      widen(char __c) const
+      { return __check_facet(_M_ctype).widen(__c); }
+
+    protected:
+
+
+
+
+
+
+
+      basic_ios()
+      : ios_base(), _M_tie(0), _M_fill(char_type()), _M_fill_init(false),
+ _M_streambuf(0), _M_ctype(0), _M_num_put(0), _M_num_get(0)
+      { }
+
+
+
+
+
+
+
+      void
+      init(basic_streambuf<_CharT, _Traits>* __sb);
+
+
+      basic_ios(const basic_ios&) = delete;
+      basic_ios& operator=(const basic_ios&) = delete;
+
+      void
+      move(basic_ios& __rhs)
+      {
+ ios_base::_M_move(__rhs);
+ _M_cache_locale(_M_ios_locale);
+ this->tie(__rhs.tie(nullptr));
+ _M_fill = __rhs._M_fill;
+ _M_fill_init = __rhs._M_fill_init;
+ _M_streambuf = nullptr;
+      }
+
+      void
+      move(basic_ios&& __rhs)
+      { this->move(__rhs); }
+
+      void
+      swap(basic_ios& __rhs) noexcept
+      {
+ ios_base::_M_swap(__rhs);
+ _M_cache_locale(_M_ios_locale);
+ __rhs._M_cache_locale(__rhs._M_ios_locale);
+ std::swap(_M_tie, __rhs._M_tie);
+ std::swap(_M_fill, __rhs._M_fill);
+ std::swap(_M_fill_init, __rhs._M_fill_init);
+      }
+
+      void
+      set_rdbuf(basic_streambuf<_CharT, _Traits>* __sb)
+      { _M_streambuf = __sb; }
+
+
+      void
+      _M_cache_locale(const locale& __loc);
+    };
+
+
+}
+
+# 1 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_ios.tcc" 1 3
+# 33 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_ios.tcc" 3
+       
+# 34 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_ios.tcc" 3
+
+namespace std __attribute__ ((__visibility__ ("default")))
+{
+
+
+  template<typename _CharT, typename _Traits>
+    void
+    basic_ios<_CharT, _Traits>::clear(iostate __state)
+    {
+      if (this->rdbuf())
+ _M_streambuf_state = __state;
+      else
+   _M_streambuf_state = __state | badbit;
+      if (this->exceptions() & this->rdstate())
+ __throw_ios_failure(("basic_ios::clear"));
+    }
+
+  template<typename _CharT, typename _Traits>
+    basic_streambuf<_CharT, _Traits>*
+    basic_ios<_CharT, _Traits>::rdbuf(basic_streambuf<_CharT, _Traits>* __sb)
+    {
+      basic_streambuf<_CharT, _Traits>* __old = _M_streambuf;
+      _M_streambuf = __sb;
+      this->clear();
+      return __old;
+    }
+
+  template<typename _CharT, typename _Traits>
+    basic_ios<_CharT, _Traits>&
+    basic_ios<_CharT, _Traits>::copyfmt(const basic_ios& __rhs)
+    {
+
+
+      if (this != &__rhs)
+ {
+
+
+
+
+   _Words* __words = (__rhs._M_word_size <= _S_local_word_size) ?
+                      _M_local_word : new _Words[__rhs._M_word_size];
+
+
+   _Callback_list* __cb = __rhs._M_callbacks;
+   if (__cb)
+     __cb->_M_add_reference();
+   _M_call_callbacks(erase_event);
+   if (_M_word != _M_local_word)
+     {
+       delete [] _M_word;
+       _M_word = 0;
+     }
+   _M_dispose_callbacks();
+
+
+   _M_callbacks = __cb;
+   for (int __i = 0; __i < __rhs._M_word_size; ++__i)
+     __words[__i] = __rhs._M_word[__i];
+   _M_word = __words;
+   _M_word_size = __rhs._M_word_size;
+
+   this->flags(__rhs.flags());
+   this->width(__rhs.width());
+   this->precision(__rhs.precision());
+   this->tie(__rhs.tie());
+   this->fill(__rhs.fill());
+   _M_ios_locale = __rhs.getloc();
+   _M_cache_locale(_M_ios_locale);
+
+   _M_call_callbacks(copyfmt_event);
+
+
+   this->exceptions(__rhs.exceptions());
+ }
+      return *this;
+    }
+
+
+  template<typename _CharT, typename _Traits>
+    locale
+    basic_ios<_CharT, _Traits>::imbue(const locale& __loc)
+    {
+      locale __old(this->getloc());
+      ios_base::imbue(__loc);
+      _M_cache_locale(__loc);
+      if (this->rdbuf() != 0)
+ this->rdbuf()->pubimbue(__loc);
+      return __old;
+    }
+
+  template<typename _CharT, typename _Traits>
+    void
+    basic_ios<_CharT, _Traits>::init(basic_streambuf<_CharT, _Traits>* __sb)
+    {
+
+      ios_base::_M_init();
+
+
+      _M_cache_locale(_M_ios_locale);
+# 146 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_ios.tcc" 3
+      _M_fill = _CharT();
+      _M_fill_init = false;
+
+      _M_tie = 0;
+      _M_exception = goodbit;
+      _M_streambuf = __sb;
+      _M_streambuf_state = __sb ? goodbit : badbit;
+    }
+
+  template<typename _CharT, typename _Traits>
+    void
+    basic_ios<_CharT, _Traits>::_M_cache_locale(const locale& __loc)
+    {
+      if (__builtin_expect(has_facet<__ctype_type>(__loc), true))
+ _M_ctype = &use_facet<__ctype_type>(__loc);
+      else
+ _M_ctype = 0;
+
+      if (__builtin_expect(has_facet<__num_put_type>(__loc), true))
+ _M_num_put = &use_facet<__num_put_type>(__loc);
+      else
+ _M_num_put = 0;
+
+      if (__builtin_expect(has_facet<__num_get_type>(__loc), true))
+ _M_num_get = &use_facet<__num_get_type>(__loc);
+      else
+ _M_num_get = 0;
+    }
+
+
+
+
+  extern template class basic_ios<char>;
+
+
+  extern template class basic_ios<wchar_t>;
+
+
+
+
+}
+# 517 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/basic_ios.h" 2 3
+# 45 "/aux/hubicka/trunk-install/include/c++/6.0.0/ios" 2 3
+# 39 "/aux/hubicka/trunk-install/include/c++/6.0.0/ostream" 2 3
+
+
+namespace std __attribute__ ((__visibility__ ("default")))
+{
+
+# 57 "/aux/hubicka/trunk-install/include/c++/6.0.0/ostream" 3
+  template<typename _CharT, typename _Traits>
+    class basic_ostream : virtual public basic_ios<_CharT, _Traits>
+    {
+    public:
+
+      typedef _CharT char_type;
+      typedef typename _Traits::int_type int_type;
+      typedef typename _Traits::pos_type pos_type;
+      typedef typename _Traits::off_type off_type;
+      typedef _Traits traits_type;
+
+
+      typedef basic_streambuf<_CharT, _Traits> __streambuf_type;
+      typedef basic_ios<_CharT, _Traits> __ios_type;
+      typedef basic_ostream<_CharT, _Traits> __ostream_type;
+      typedef num_put<_CharT, ostreambuf_iterator<_CharT, _Traits> >
+             __num_put_type;
+      typedef ctype<_CharT> __ctype_type;
+# 83 "/aux/hubicka/trunk-install/include/c++/6.0.0/ostream" 3
+      explicit
+      basic_ostream(__streambuf_type* __sb)
+      { this->init(__sb); }
+
+
+
+
+
+
+      virtual
+      ~basic_ostream() { }
+
+
+      class sentry;
+      friend class sentry;
+# 107 "/aux/hubicka/trunk-install/include/c++/6.0.0/ostream" 3
+      __ostream_type&
+      operator<<(__ostream_type& (*__pf)(__ostream_type&))
+      {
+
+
+
+ return __pf(*this);
+      }
+
+      __ostream_type&
+      operator<<(__ios_type& (*__pf)(__ios_type&))
+      {
+
+
+
+ __pf(*this);
+ return *this;
+      }
+
+      __ostream_type&
+      operator<<(ios_base& (*__pf) (ios_base&))
+      {
+
+
+
+ __pf(*this);
+ return *this;
+      }
+# 165 "/aux/hubicka/trunk-install/include/c++/6.0.0/ostream" 3
+      __ostream_type&
+      operator<<(long __n)
+      { return _M_insert(__n); }
+
+      __ostream_type&
+      operator<<(unsigned long __n)
+      { return _M_insert(__n); }
+
+      __ostream_type&
+      operator<<(bool __n)
+      { return _M_insert(__n); }
+
+      __ostream_type&
+      operator<<(short __n);
+
+      __ostream_type&
+      operator<<(unsigned short __n)
+      {
+
+
+ return _M_insert(static_cast<unsigned long>(__n));
+      }
+
+      __ostream_type&
+      operator<<(int __n);
+
+      __ostream_type&
+      operator<<(unsigned int __n)
+      {
+
+
+ return _M_insert(static_cast<unsigned long>(__n));
+      }
+
+
+      __ostream_type&
+      operator<<(long long __n)
+      { return _M_insert(__n); }
+
+      __ostream_type&
+      operator<<(unsigned long long __n)
+      { return _M_insert(__n); }
+# 219 "/aux/hubicka/trunk-install/include/c++/6.0.0/ostream" 3
+      __ostream_type&
+      operator<<(double __f)
+      { return _M_insert(__f); }
+
+      __ostream_type&
+      operator<<(float __f)
+      {
+
+
+ return _M_insert(static_cast<double>(__f));
+      }
+
+      __ostream_type&
+      operator<<(long double __f)
+      { return _M_insert(__f); }
+# 244 "/aux/hubicka/trunk-install/include/c++/6.0.0/ostream" 3
+      __ostream_type&
+      operator<<(const void* __p)
+      { return _M_insert(__p); }
+# 269 "/aux/hubicka/trunk-install/include/c++/6.0.0/ostream" 3
+      __ostream_type&
+      operator<<(__streambuf_type* __sb);
+# 302 "/aux/hubicka/trunk-install/include/c++/6.0.0/ostream" 3
+      __ostream_type&
+      put(char_type __c);
+
+
+
+
+
+
+      void
+      _M_write(const char_type* __s, streamsize __n)
+      {
+ const streamsize __put = this->rdbuf()->sputn(__s, __n);
+ if (__put != __n)
+   this->setstate(ios_base::badbit);
+      }
+# 334 "/aux/hubicka/trunk-install/include/c++/6.0.0/ostream" 3
+      __ostream_type&
+      write(const char_type* __s, streamsize __n);
+# 347 "/aux/hubicka/trunk-install/include/c++/6.0.0/ostream" 3
+      __ostream_type&
+      flush();
+# 357 "/aux/hubicka/trunk-install/include/c++/6.0.0/ostream" 3
+      pos_type
+      tellp();
+# 368 "/aux/hubicka/trunk-install/include/c++/6.0.0/ostream" 3
+      __ostream_type&
+      seekp(pos_type);
+# 380 "/aux/hubicka/trunk-install/include/c++/6.0.0/ostream" 3
+       __ostream_type&
+      seekp(off_type, ios_base::seekdir);
+
+    protected:
+      basic_ostream()
+      { this->init(0); }
+
+
+
+      basic_ostream(basic_iostream<_CharT, _Traits>&) { }
+
+      basic_ostream(const basic_ostream&) = delete;
+
+      basic_ostream(basic_ostream&& __rhs)
+      : __ios_type()
+      { __ios_type::move(__rhs); }
+
+
+
+      basic_ostream& operator=(const basic_ostream&) = delete;
+
+      basic_ostream&
+      operator=(basic_ostream&& __rhs)
+      {
+ swap(__rhs);
+ return *this;
+      }
+
+      void
+      swap(basic_ostream& __rhs)
+      { __ios_type::swap(__rhs); }
+
+
+      template<typename _ValueT>
+ __ostream_type&
+ _M_insert(_ValueT __v);
+    };
+# 425 "/aux/hubicka/trunk-install/include/c++/6.0.0/ostream" 3
+  template <typename _CharT, typename _Traits>
+    class basic_ostream<_CharT, _Traits>::sentry
+    {
+
+      bool _M_ok;
+      basic_ostream<_CharT, _Traits>& _M_os;
+
+    public:
+# 444 "/aux/hubicka/trunk-install/include/c++/6.0.0/ostream" 3
+      explicit
+      sentry(basic_ostream<_CharT, _Traits>& __os);
+# 454 "/aux/hubicka/trunk-install/include/c++/6.0.0/ostream" 3
+      ~sentry()
+      {
+
+ if (bool(_M_os.flags() & ios_base::unitbuf) && !uncaught_exception())
+   {
+
+     if (_M_os.rdbuf() && _M_os.rdbuf()->pubsync() == -1)
+       _M_os.setstate(ios_base::badbit);
+   }
+      }
+# 473 "/aux/hubicka/trunk-install/include/c++/6.0.0/ostream" 3
+      explicit
+
+      operator bool() const
+      { return _M_ok; }
+    };
+# 495 "/aux/hubicka/trunk-install/include/c++/6.0.0/ostream" 3
+  template<typename _CharT, typename _Traits>
+    inline basic_ostream<_CharT, _Traits>&
+    operator<<(basic_ostream<_CharT, _Traits>& __out, _CharT __c)
+    { return __ostream_insert(__out, &__c, 1); }
+
+  template<typename _CharT, typename _Traits>
+    inline basic_ostream<_CharT, _Traits>&
+    operator<<(basic_ostream<_CharT, _Traits>& __out, char __c)
+    { return (__out << __out.widen(__c)); }
+
+
+  template <class _Traits>
+    inline basic_ostream<char, _Traits>&
+    operator<<(basic_ostream<char, _Traits>& __out, char __c)
+    { return __ostream_insert(__out, &__c, 1); }
+
+
+  template<class _Traits>
+    inline basic_ostream<char, _Traits>&
+    operator<<(basic_ostream<char, _Traits>& __out, signed char __c)
+    { return (__out << static_cast<char>(__c)); }
+
+  template<class _Traits>
+    inline basic_ostream<char, _Traits>&
+    operator<<(basic_ostream<char, _Traits>& __out, unsigned char __c)
+    { return (__out << static_cast<char>(__c)); }
+# 537 "/aux/hubicka/trunk-install/include/c++/6.0.0/ostream" 3
+  template<typename _CharT, typename _Traits>
+    inline basic_ostream<_CharT, _Traits>&
+    operator<<(basic_ostream<_CharT, _Traits>& __out, const _CharT* __s)
+    {
+      if (!__s)
+ __out.setstate(ios_base::badbit);
+      else
+ __ostream_insert(__out, __s,
+    static_cast<streamsize>(_Traits::length(__s)));
+      return __out;
+    }
+
+  template<typename _CharT, typename _Traits>
+    basic_ostream<_CharT, _Traits> &
+    operator<<(basic_ostream<_CharT, _Traits>& __out, const char* __s);
+
+
+  template<class _Traits>
+    inline basic_ostream<char, _Traits>&
+    operator<<(basic_ostream<char, _Traits>& __out, const char* __s)
+    {
+      if (!__s)
+ __out.setstate(ios_base::badbit);
+      else
+ __ostream_insert(__out, __s,
+    static_cast<streamsize>(_Traits::length(__s)));
+      return __out;
+    }
+
+
+  template<class _Traits>
+    inline basic_ostream<char, _Traits>&
+    operator<<(basic_ostream<char, _Traits>& __out, const signed char* __s)
+    { return (__out << reinterpret_cast<const char*>(__s)); }
+
+  template<class _Traits>
+    inline basic_ostream<char, _Traits> &
+    operator<<(basic_ostream<char, _Traits>& __out, const unsigned char* __s)
+    { return (__out << reinterpret_cast<const char*>(__s)); }
+# 588 "/aux/hubicka/trunk-install/include/c++/6.0.0/ostream" 3
+  template<typename _CharT, typename _Traits>
+    inline basic_ostream<_CharT, _Traits>&
+    endl(basic_ostream<_CharT, _Traits>& __os)
+    { return flush(__os.put(__os.widen('\n'))); }
+# 600 "/aux/hubicka/trunk-install/include/c++/6.0.0/ostream" 3
+  template<typename _CharT, typename _Traits>
+    inline basic_ostream<_CharT, _Traits>&
+    ends(basic_ostream<_CharT, _Traits>& __os)
+    { return __os.put(_CharT()); }
+
+
+
+
+
+
+  template<typename _CharT, typename _Traits>
+    inline basic_ostream<_CharT, _Traits>&
+    flush(basic_ostream<_CharT, _Traits>& __os)
+    { return __os.flush(); }
+# 626 "/aux/hubicka/trunk-install/include/c++/6.0.0/ostream" 3
+  template<typename _CharT, typename _Traits, typename _Tp>
+    inline basic_ostream<_CharT, _Traits>&
+    operator<<(basic_ostream<_CharT, _Traits>&& __os, const _Tp& __x)
+    {
+      __os << __x;
+      return __os;
+    }
+
+
+
+}
+
+# 1 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/ostream.tcc" 1 3
+# 37 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/ostream.tcc" 3
+       
+# 38 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/ostream.tcc" 3
+
+
+
+namespace std __attribute__ ((__visibility__ ("default")))
+{
+
+
+  template<typename _CharT, typename _Traits>
+    basic_ostream<_CharT, _Traits>::sentry::
+    sentry(basic_ostream<_CharT, _Traits>& __os)
+    : _M_ok(false), _M_os(__os)
+    {
+
+      if (__os.tie() && __os.good())
+ __os.tie()->flush();
+
+      if (__os.good())
+ _M_ok = true;
+      else
+ __os.setstate(ios_base::failbit);
+    }
+
+  template<typename _CharT, typename _Traits>
+    template<typename _ValueT>
+      basic_ostream<_CharT, _Traits>&
+      basic_ostream<_CharT, _Traits>::
+      _M_insert(_ValueT __v)
+      {
+ sentry __cerb(*this);
+ if (__cerb)
+   {
+     ios_base::iostate __err = ios_base::goodbit;
+     try
+       {
+  const __num_put_type& __np = __check_facet(this->_M_num_put);
+  if (__np.put(*this, *this, this->fill(), __v).failed())
+    __err |= ios_base::badbit;
+       }
+     catch(__cxxabiv1::__forced_unwind&)
+       {
+  this->_M_setstate(ios_base::badbit);
+  throw;
+       }
+     catch(...)
+       { this->_M_setstate(ios_base::badbit); }
+     if (__err)
+       this->setstate(__err);
+   }
+ return *this;
+      }
+
+  template<typename _CharT, typename _Traits>
+    basic_ostream<_CharT, _Traits>&
+    basic_ostream<_CharT, _Traits>::
+    operator<<(short __n)
+    {
+
+
+      const ios_base::fmtflags __fmt = this->flags() & ios_base::basefield;
+      if (__fmt == ios_base::oct || __fmt == ios_base::hex)
+ return _M_insert(static_cast<long>(static_cast<unsigned short>(__n)));
+      else
+ return _M_insert(static_cast<long>(__n));
+    }
+
+  template<typename _CharT, typename _Traits>
+    basic_ostream<_CharT, _Traits>&
+    basic_ostream<_CharT, _Traits>::
+    operator<<(int __n)
+    {
+
+
+      const ios_base::fmtflags __fmt = this->flags() & ios_base::basefield;
+      if (__fmt == ios_base::oct || __fmt == ios_base::hex)
+ return _M_insert(static_cast<long>(static_cast<unsigned int>(__n)));
+      else
+ return _M_insert(static_cast<long>(__n));
+    }
+
+  template<typename _CharT, typename _Traits>
+    basic_ostream<_CharT, _Traits>&
+    basic_ostream<_CharT, _Traits>::
+    operator<<(__streambuf_type* __sbin)
+    {
+      ios_base::iostate __err = ios_base::goodbit;
+      sentry __cerb(*this);
+      if (__cerb && __sbin)
+ {
+   try
+     {
+       if (!__copy_streambufs(__sbin, this->rdbuf()))
+  __err |= ios_base::failbit;
+     }
+   catch(__cxxabiv1::__forced_unwind&)
+     {
+       this->_M_setstate(ios_base::badbit);
+       throw;
+     }
+   catch(...)
+     { this->_M_setstate(ios_base::failbit); }
+ }
+      else if (!__sbin)
+ __err |= ios_base::badbit;
+      if (__err)
+ this->setstate(__err);
+      return *this;
+    }
+
+  template<typename _CharT, typename _Traits>
+    basic_ostream<_CharT, _Traits>&
+    basic_ostream<_CharT, _Traits>::
+    put(char_type __c)
+    {
+
+
+
+
+
+
+      sentry __cerb(*this);
+      if (__cerb)
+ {
+   ios_base::iostate __err = ios_base::goodbit;
+   try
+     {
+       const int_type __put = this->rdbuf()->sputc(__c);
+       if (traits_type::eq_int_type(__put, traits_type::eof()))
+  __err |= ios_base::badbit;
+     }
+   catch(__cxxabiv1::__forced_unwind&)
+     {
+       this->_M_setstate(ios_base::badbit);
+       throw;
+     }
+   catch(...)
+     { this->_M_setstate(ios_base::badbit); }
+   if (__err)
+     this->setstate(__err);
+ }
+      return *this;
+    }
+
+  template<typename _CharT, typename _Traits>
+    basic_ostream<_CharT, _Traits>&
+    basic_ostream<_CharT, _Traits>::
+    write(const _CharT* __s, streamsize __n)
+    {
+
+
+
+
+
+
+
+      sentry __cerb(*this);
+      if (__cerb)
+ {
+   try
+     { _M_write(__s, __n); }
+   catch(__cxxabiv1::__forced_unwind&)
+     {
+       this->_M_setstate(ios_base::badbit);
+       throw;
+     }
+   catch(...)
+     { this->_M_setstate(ios_base::badbit); }
+ }
+      return *this;
+    }
+
+  template<typename _CharT, typename _Traits>
+    basic_ostream<_CharT, _Traits>&
+    basic_ostream<_CharT, _Traits>::
+    flush()
+    {
+
+
+
+      ios_base::iostate __err = ios_base::goodbit;
+      try
+ {
+   if (this->rdbuf() && this->rdbuf()->pubsync() == -1)
+     __err |= ios_base::badbit;
+ }
+      catch(__cxxabiv1::__forced_unwind&)
+ {
+   this->_M_setstate(ios_base::badbit);
+   throw;
+ }
+      catch(...)
+ { this->_M_setstate(ios_base::badbit); }
+      if (__err)
+ this->setstate(__err);
+      return *this;
+    }
+
+  template<typename _CharT, typename _Traits>
+    typename basic_ostream<_CharT, _Traits>::pos_type
+    basic_ostream<_CharT, _Traits>::
+    tellp()
+    {
+      pos_type __ret = pos_type(-1);
+      try
+ {
+   if (!this->fail())
+     __ret = this->rdbuf()->pubseekoff(0, ios_base::cur, ios_base::out);
+ }
+      catch(__cxxabiv1::__forced_unwind&)
+ {
+   this->_M_setstate(ios_base::badbit);
+   throw;
+ }
+      catch(...)
+ { this->_M_setstate(ios_base::badbit); }
+      return __ret;
+    }
+
+  template<typename _CharT, typename _Traits>
+    basic_ostream<_CharT, _Traits>&
+    basic_ostream<_CharT, _Traits>::
+    seekp(pos_type __pos)
+    {
+      ios_base::iostate __err = ios_base::goodbit;
+      try
+ {
+   if (!this->fail())
+     {
+
+
+       const pos_type __p = this->rdbuf()->pubseekpos(__pos,
+            ios_base::out);
+
+
+       if (__p == pos_type(off_type(-1)))
+  __err |= ios_base::failbit;
+     }
+ }
+      catch(__cxxabiv1::__forced_unwind&)
+ {
+   this->_M_setstate(ios_base::badbit);
+   throw;
+ }
+      catch(...)
+ { this->_M_setstate(ios_base::badbit); }
+      if (__err)
+ this->setstate(__err);
+      return *this;
+    }
+
+  template<typename _CharT, typename _Traits>
+    basic_ostream<_CharT, _Traits>&
+    basic_ostream<_CharT, _Traits>::
+    seekp(off_type __off, ios_base::seekdir __dir)
+    {
+      ios_base::iostate __err = ios_base::goodbit;
+      try
+ {
+   if (!this->fail())
+     {
+
+
+       const pos_type __p = this->rdbuf()->pubseekoff(__off, __dir,
+            ios_base::out);
+
+
+       if (__p == pos_type(off_type(-1)))
+  __err |= ios_base::failbit;
+     }
+ }
+      catch(__cxxabiv1::__forced_unwind&)
+ {
+   this->_M_setstate(ios_base::badbit);
+   throw;
+ }
+      catch(...)
+ { this->_M_setstate(ios_base::badbit); }
+      if (__err)
+ this->setstate(__err);
+      return *this;
+    }
+
+  template<typename _CharT, typename _Traits>
+    basic_ostream<_CharT, _Traits>&
+    operator<<(basic_ostream<_CharT, _Traits>& __out, const char* __s)
+    {
+      if (!__s)
+ __out.setstate(ios_base::badbit);
+      else
+ {
+
+
+   const size_t __clen = char_traits<char>::length(__s);
+   try
+     {
+       struct __ptr_guard
+       {
+  _CharT *__p;
+  __ptr_guard (_CharT *__ip): __p(__ip) { }
+  ~__ptr_guard() { delete[] __p; }
+  _CharT* __get() { return __p; }
+       } __pg (new _CharT[__clen]);
+
+       _CharT *__ws = __pg.__get();
+       for (size_t __i = 0; __i < __clen; ++__i)
+  __ws[__i] = __out.widen(__s[__i]);
+       __ostream_insert(__out, __ws, __clen);
+     }
+   catch(__cxxabiv1::__forced_unwind&)
+     {
+       __out._M_setstate(ios_base::badbit);
+       throw;
+     }
+   catch(...)
+     { __out._M_setstate(ios_base::badbit); }
+ }
+      return __out;
+    }
+
+
+
+
+  extern template class basic_ostream<char>;
+  extern template ostream& endl(ostream&);
+  extern template ostream& ends(ostream&);
+  extern template ostream& flush(ostream&);
+  extern template ostream& operator<<(ostream&, char);
+  extern template ostream& operator<<(ostream&, unsigned char);
+  extern template ostream& operator<<(ostream&, signed char);
+  extern template ostream& operator<<(ostream&, const char*);
+  extern template ostream& operator<<(ostream&, const unsigned char*);
+  extern template ostream& operator<<(ostream&, const signed char*);
+
+  extern template ostream& ostream::_M_insert(long);
+  extern template ostream& ostream::_M_insert(unsigned long);
+  extern template ostream& ostream::_M_insert(bool);
+
+  extern template ostream& ostream::_M_insert(long long);
+  extern template ostream& ostream::_M_insert(unsigned long long);
+
+  extern template ostream& ostream::_M_insert(double);
+  extern template ostream& ostream::_M_insert(long double);
+  extern template ostream& ostream::_M_insert(const void*);
+
+
+  extern template class basic_ostream<wchar_t>;
+  extern template wostream& endl(wostream&);
+  extern template wostream& ends(wostream&);
+  extern template wostream& flush(wostream&);
+  extern template wostream& operator<<(wostream&, wchar_t);
+  extern template wostream& operator<<(wostream&, char);
+  extern template wostream& operator<<(wostream&, const wchar_t*);
+  extern template wostream& operator<<(wostream&, const char*);
+
+  extern template wostream& wostream::_M_insert(long);
+  extern template wostream& wostream::_M_insert(unsigned long);
+  extern template wostream& wostream::_M_insert(bool);
+
+  extern template wostream& wostream::_M_insert(long long);
+  extern template wostream& wostream::_M_insert(unsigned long long);
+
+  extern template wostream& wostream::_M_insert(double);
+  extern template wostream& wostream::_M_insert(long double);
+  extern template wostream& wostream::_M_insert(const void*);
+
+
+
+
+}
+# 639 "/aux/hubicka/trunk-install/include/c++/6.0.0/ostream" 2 3
+# 40 "/aux/hubicka/trunk-install/include/c++/6.0.0/iostream" 2 3
+# 1 "/aux/hubicka/trunk-install/include/c++/6.0.0/istream" 1 3
+# 36 "/aux/hubicka/trunk-install/include/c++/6.0.0/istream" 3
+       
+# 37 "/aux/hubicka/trunk-install/include/c++/6.0.0/istream" 3
+
+
+
+
+namespace std __attribute__ ((__visibility__ ("default")))
+{
+
+# 57 "/aux/hubicka/trunk-install/include/c++/6.0.0/istream" 3
+  template<typename _CharT, typename _Traits>
+    class basic_istream : virtual public basic_ios<_CharT, _Traits>
+    {
+    public:
+
+      typedef _CharT char_type;
+      typedef typename _Traits::int_type int_type;
+      typedef typename _Traits::pos_type pos_type;
+      typedef typename _Traits::off_type off_type;
+      typedef _Traits traits_type;
+
+
+      typedef basic_streambuf<_CharT, _Traits> __streambuf_type;
+      typedef basic_ios<_CharT, _Traits> __ios_type;
+      typedef basic_istream<_CharT, _Traits> __istream_type;
+      typedef num_get<_CharT, istreambuf_iterator<_CharT, _Traits> >
+        __num_get_type;
+      typedef ctype<_CharT> __ctype_type;
+
+    protected:
+
+
+
+
+
+      streamsize _M_gcount;
+
+    public:
+
+
+
+
+
+
+
+      explicit
+      basic_istream(__streambuf_type* __sb)
+      : _M_gcount(streamsize(0))
+      { this->init(__sb); }
+
+
+
+
+
+
+      virtual
+      ~basic_istream()
+      { _M_gcount = streamsize(0); }
+
+
+      class sentry;
+      friend class sentry;
+# 119 "/aux/hubicka/trunk-install/include/c++/6.0.0/istream" 3
+      __istream_type&
+      operator>>(__istream_type& (*__pf)(__istream_type&))
+      { return __pf(*this); }
+
+      __istream_type&
+      operator>>(__ios_type& (*__pf)(__ios_type&))
+      {
+ __pf(*this);
+ return *this;
+      }
+
+      __istream_type&
+      operator>>(ios_base& (*__pf)(ios_base&))
+      {
+ __pf(*this);
+ return *this;
+      }
+# 167 "/aux/hubicka/trunk-install/include/c++/6.0.0/istream" 3
+      __istream_type&
+      operator>>(bool& __n)
+      { return _M_extract(__n); }
+
+      __istream_type&
+      operator>>(short& __n);
+
+      __istream_type&
+      operator>>(unsigned short& __n)
+      { return _M_extract(__n); }
+
+      __istream_type&
+      operator>>(int& __n);
+
+      __istream_type&
+      operator>>(unsigned int& __n)
+      { return _M_extract(__n); }
+
+      __istream_type&
+      operator>>(long& __n)
+      { return _M_extract(__n); }
+
+      __istream_type&
+      operator>>(unsigned long& __n)
+      { return _M_extract(__n); }
+
+
+      __istream_type&
+      operator>>(long long& __n)
+      { return _M_extract(__n); }
+
+      __istream_type&
+      operator>>(unsigned long long& __n)
+      { return _M_extract(__n); }
+# 213 "/aux/hubicka/trunk-install/include/c++/6.0.0/istream" 3
+      __istream_type&
+      operator>>(float& __f)
+      { return _M_extract(__f); }
+
+      __istream_type&
+      operator>>(double& __f)
+      { return _M_extract(__f); }
+
+      __istream_type&
+      operator>>(long double& __f)
+      { return _M_extract(__f); }
+# 234 "/aux/hubicka/trunk-install/include/c++/6.0.0/istream" 3
+      __istream_type&
+      operator>>(void*& __p)
+      { return _M_extract(__p); }
+# 258 "/aux/hubicka/trunk-install/include/c++/6.0.0/istream" 3
+      __istream_type&
+      operator>>(__streambuf_type* __sb);
+# 268 "/aux/hubicka/trunk-install/include/c++/6.0.0/istream" 3
+      streamsize
+      gcount() const
+      { return _M_gcount; }
+# 301 "/aux/hubicka/trunk-install/include/c++/6.0.0/istream" 3
+      int_type
+      get();
+# 315 "/aux/hubicka/trunk-install/include/c++/6.0.0/istream" 3
+      __istream_type&
+      get(char_type& __c);
+# 342 "/aux/hubicka/trunk-install/include/c++/6.0.0/istream" 3
+      __istream_type&
+      get(char_type* __s, streamsize __n, char_type __delim);
+# 353 "/aux/hubicka/trunk-install/include/c++/6.0.0/istream" 3
+      __istream_type&
+      get(char_type* __s, streamsize __n)
+      { return this->get(__s, __n, this->widen('\n')); }
+# 376 "/aux/hubicka/trunk-install/include/c++/6.0.0/istream" 3
+      __istream_type&
+      get(__streambuf_type& __sb, char_type __delim);
+# 386 "/aux/hubicka/trunk-install/include/c++/6.0.0/istream" 3
+      __istream_type&
+      get(__streambuf_type& __sb)
+      { return this->get(__sb, this->widen('\n')); }
+# 415 "/aux/hubicka/trunk-install/include/c++/6.0.0/istream" 3
+      __istream_type&
+      getline(char_type* __s, streamsize __n, char_type __delim);
+# 426 "/aux/hubicka/trunk-install/include/c++/6.0.0/istream" 3
+      __istream_type&
+      getline(char_type* __s, streamsize __n)
+      { return this->getline(__s, __n, this->widen('\n')); }
+# 450 "/aux/hubicka/trunk-install/include/c++/6.0.0/istream" 3
+      __istream_type&
+      ignore(streamsize __n, int_type __delim);
+
+      __istream_type&
+      ignore(streamsize __n);
+
+      __istream_type&
+      ignore();
+# 467 "/aux/hubicka/trunk-install/include/c++/6.0.0/istream" 3
+      int_type
+      peek();
+# 485 "/aux/hubicka/trunk-install/include/c++/6.0.0/istream" 3
+      __istream_type&
+      read(char_type* __s, streamsize __n);
+# 504 "/aux/hubicka/trunk-install/include/c++/6.0.0/istream" 3
+      streamsize
+      readsome(char_type* __s, streamsize __n);
+# 521 "/aux/hubicka/trunk-install/include/c++/6.0.0/istream" 3
+      __istream_type&
+      putback(char_type __c);
+# 537 "/aux/hubicka/trunk-install/include/c++/6.0.0/istream" 3
+      __istream_type&
+      unget();
+# 555 "/aux/hubicka/trunk-install/include/c++/6.0.0/istream" 3
+      int
+      sync();
+# 570 "/aux/hubicka/trunk-install/include/c++/6.0.0/istream" 3
+      pos_type
+      tellg();
+# 585 "/aux/hubicka/trunk-install/include/c++/6.0.0/istream" 3
+      __istream_type&
+      seekg(pos_type);
+# 601 "/aux/hubicka/trunk-install/include/c++/6.0.0/istream" 3
+      __istream_type&
+      seekg(off_type, ios_base::seekdir);
+
+
+    protected:
+      basic_istream()
+      : _M_gcount(streamsize(0))
+      { this->init(0); }
+
+
+      basic_istream(const basic_istream&) = delete;
+
+      basic_istream(basic_istream&& __rhs)
+      : __ios_type(), _M_gcount(__rhs._M_gcount)
+      {
+ __ios_type::move(__rhs);
+ __rhs._M_gcount = 0;
+      }
+
+
+
+      basic_istream& operator=(const basic_istream&) = delete;
+
+      basic_istream&
+      operator=(basic_istream&& __rhs)
+      {
+ swap(__rhs);
+ return *this;
+      }
+
+      void
+      swap(basic_istream& __rhs)
+      {
+ __ios_type::swap(__rhs);
+ std::swap(_M_gcount, __rhs._M_gcount);
+      }
+
+
+      template<typename _ValueT>
+ __istream_type&
+ _M_extract(_ValueT& __v);
+    };
+
+
+  template<>
+    basic_istream<char>&
+    basic_istream<char>::
+    getline(char_type* __s, streamsize __n, char_type __delim);
+
+  template<>
+    basic_istream<char>&
+    basic_istream<char>::
+    ignore(streamsize __n);
+
+  template<>
+    basic_istream<char>&
+    basic_istream<char>::
+    ignore(streamsize __n, int_type __delim);
+
+
+  template<>
+    basic_istream<wchar_t>&
+    basic_istream<wchar_t>::
+    getline(char_type* __s, streamsize __n, char_type __delim);
+
+  template<>
+    basic_istream<wchar_t>&
+    basic_istream<wchar_t>::
+    ignore(streamsize __n);
+
+  template<>
+    basic_istream<wchar_t>&
+    basic_istream<wchar_t>::
+    ignore(streamsize __n, int_type __delim);
+# 685 "/aux/hubicka/trunk-install/include/c++/6.0.0/istream" 3
+  template<typename _CharT, typename _Traits>
+    class basic_istream<_CharT, _Traits>::sentry
+    {
+
+      bool _M_ok;
+
+    public:
+
+      typedef _Traits traits_type;
+      typedef basic_streambuf<_CharT, _Traits> __streambuf_type;
+      typedef basic_istream<_CharT, _Traits> __istream_type;
+      typedef typename __istream_type::__ctype_type __ctype_type;
+      typedef typename _Traits::int_type __int_type;
+# 721 "/aux/hubicka/trunk-install/include/c++/6.0.0/istream" 3
+      explicit
+      sentry(basic_istream<_CharT, _Traits>& __is, bool __noskipws = false);
+# 732 "/aux/hubicka/trunk-install/include/c++/6.0.0/istream" 3
+      explicit
+
+      operator bool() const
+      { return _M_ok; }
+    };
+# 750 "/aux/hubicka/trunk-install/include/c++/6.0.0/istream" 3
+  template<typename _CharT, typename _Traits>
+    basic_istream<_CharT, _Traits>&
+    operator>>(basic_istream<_CharT, _Traits>& __in, _CharT& __c);
+
+  template<class _Traits>
+    inline basic_istream<char, _Traits>&
+    operator>>(basic_istream<char, _Traits>& __in, unsigned char& __c)
+    { return (__in >> reinterpret_cast<char&>(__c)); }
+
+  template<class _Traits>
+    inline basic_istream<char, _Traits>&
+    operator>>(basic_istream<char, _Traits>& __in, signed char& __c)
+    { return (__in >> reinterpret_cast<char&>(__c)); }
+# 792 "/aux/hubicka/trunk-install/include/c++/6.0.0/istream" 3
+  template<typename _CharT, typename _Traits>
+    basic_istream<_CharT, _Traits>&
+    operator>>(basic_istream<_CharT, _Traits>& __in, _CharT* __s);
+
+
+  template<>
+    basic_istream<char>&
+    operator>>(basic_istream<char>& __in, char* __s);
+
+  template<class _Traits>
+    inline basic_istream<char, _Traits>&
+    operator>>(basic_istream<char, _Traits>& __in, unsigned char* __s)
+    { return (__in >> reinterpret_cast<char*>(__s)); }
+
+  template<class _Traits>
+    inline basic_istream<char, _Traits>&
+    operator>>(basic_istream<char, _Traits>& __in, signed char* __s)
+    { return (__in >> reinterpret_cast<char*>(__s)); }
+# 823 "/aux/hubicka/trunk-install/include/c++/6.0.0/istream" 3
+  template<typename _CharT, typename _Traits>
+    class basic_iostream
+    : public basic_istream<_CharT, _Traits>,
+      public basic_ostream<_CharT, _Traits>
+    {
+    public:
+
+
+
+      typedef _CharT char_type;
+      typedef typename _Traits::int_type int_type;
+      typedef typename _Traits::pos_type pos_type;
+      typedef typename _Traits::off_type off_type;
+      typedef _Traits traits_type;
+
+
+      typedef basic_istream<_CharT, _Traits> __istream_type;
+      typedef basic_ostream<_CharT, _Traits> __ostream_type;
+
+
+
+
+
+
+
+      explicit
+      basic_iostream(basic_streambuf<_CharT, _Traits>* __sb)
+      : __istream_type(__sb), __ostream_type(__sb) { }
+
+
+
+
+      virtual
+      ~basic_iostream() { }
+
+    protected:
+      basic_iostream()
+      : __istream_type(), __ostream_type() { }
+
+
+      basic_iostream(const basic_iostream&) = delete;
+
+      basic_iostream(basic_iostream&& __rhs)
+      : __istream_type(std::move(__rhs)), __ostream_type(*this)
+      { }
+
+
+
+      basic_iostream& operator=(const basic_iostream&) = delete;
+
+      basic_iostream&
+      operator=(basic_iostream&& __rhs)
+      {
+ swap(__rhs);
+ return *this;
+      }
+
+      void
+      swap(basic_iostream& __rhs)
+      { __istream_type::swap(__rhs); }
+
+    };
+# 906 "/aux/hubicka/trunk-install/include/c++/6.0.0/istream" 3
+  template<typename _CharT, typename _Traits>
+    basic_istream<_CharT, _Traits>&
+    ws(basic_istream<_CharT, _Traits>& __is);
+# 922 "/aux/hubicka/trunk-install/include/c++/6.0.0/istream" 3
+  template<typename _CharT, typename _Traits, typename _Tp>
+    inline basic_istream<_CharT, _Traits>&
+    operator>>(basic_istream<_CharT, _Traits>&& __is, _Tp& __x)
+    {
+      __is >> __x;
+      return __is;
+    }
+
+
+
+}
+
+# 1 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/istream.tcc" 1 3
+# 37 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/istream.tcc" 3
+       
+# 38 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/istream.tcc" 3
+
+
+
+namespace std __attribute__ ((__visibility__ ("default")))
+{
+
+
+  template<typename _CharT, typename _Traits>
+    basic_istream<_CharT, _Traits>::sentry::
+    sentry(basic_istream<_CharT, _Traits>& __in, bool __noskip) : _M_ok(false)
+    {
+      ios_base::iostate __err = ios_base::goodbit;
+      if (__in.good())
+ {
+   if (__in.tie())
+     __in.tie()->flush();
+   if (!__noskip && bool(__in.flags() & ios_base::skipws))
+     {
+       const __int_type __eof = traits_type::eof();
+       __streambuf_type* __sb = __in.rdbuf();
+       __int_type __c = __sb->sgetc();
+
+       const __ctype_type& __ct = __check_facet(__in._M_ctype);
+       while (!traits_type::eq_int_type(__c, __eof)
+       && __ct.is(ctype_base::space,
+    traits_type::to_char_type(__c)))
+  __c = __sb->snextc();
+
+
+
+
+       if (traits_type::eq_int_type(__c, __eof))
+  __err |= ios_base::eofbit;
+     }
+ }
+
+      if (__in.good() && __err == ios_base::goodbit)
+ _M_ok = true;
+      else
+ {
+   __err |= ios_base::failbit;
+   __in.setstate(__err);
+ }
+    }
+
+  template<typename _CharT, typename _Traits>
+    template<typename _ValueT>
+      basic_istream<_CharT, _Traits>&
+      basic_istream<_CharT, _Traits>::
+      _M_extract(_ValueT& __v)
+      {
+ sentry __cerb(*this, false);
+ if (__cerb)
+   {
+     ios_base::iostate __err = ios_base::goodbit;
+     try
+       {
+  const __num_get_type& __ng = __check_facet(this->_M_num_get);
+  __ng.get(*this, 0, *this, __err, __v);
+       }
+     catch(__cxxabiv1::__forced_unwind&)
+       {
+  this->_M_setstate(ios_base::badbit);
+  throw;
+       }
+     catch(...)
+       { this->_M_setstate(ios_base::badbit); }
+     if (__err)
+       this->setstate(__err);
+   }
+ return *this;
+      }
+
+  template<typename _CharT, typename _Traits>
+    basic_istream<_CharT, _Traits>&
+    basic_istream<_CharT, _Traits>::
+    operator>>(short& __n)
+    {
+
+
+      sentry __cerb(*this, false);
+      if (__cerb)
+ {
+   ios_base::iostate __err = ios_base::goodbit;
+   try
+     {
+       long __l;
+       const __num_get_type& __ng = __check_facet(this->_M_num_get);
+       __ng.get(*this, 0, *this, __err, __l);
+
+
+
+       if (__l < __gnu_cxx::__numeric_traits<short>::__min)
+  {
+    __err |= ios_base::failbit;
+    __n = __gnu_cxx::__numeric_traits<short>::__min;
+  }
+       else if (__l > __gnu_cxx::__numeric_traits<short>::__max)
+  {
+    __err |= ios_base::failbit;
+    __n = __gnu_cxx::__numeric_traits<short>::__max;
+  }
+       else
+  __n = short(__l);
+     }
+   catch(__cxxabiv1::__forced_unwind&)
+     {
+       this->_M_setstate(ios_base::badbit);
+       throw;
+     }
+   catch(...)
+     { this->_M_setstate(ios_base::badbit); }
+   if (__err)
+     this->setstate(__err);
+ }
+      return *this;
+    }
+
+  template<typename _CharT, typename _Traits>
+    basic_istream<_CharT, _Traits>&
+    basic_istream<_CharT, _Traits>::
+    operator>>(int& __n)
+    {
+
+
+      sentry __cerb(*this, false);
+      if (__cerb)
+ {
+   ios_base::iostate __err = ios_base::goodbit;
+   try
+     {
+       long __l;
+       const __num_get_type& __ng = __check_facet(this->_M_num_get);
+       __ng.get(*this, 0, *this, __err, __l);
+
+
+
+       if (__l < __gnu_cxx::__numeric_traits<int>::__min)
+  {
+    __err |= ios_base::failbit;
+    __n = __gnu_cxx::__numeric_traits<int>::__min;
+  }
+       else if (__l > __gnu_cxx::__numeric_traits<int>::__max)
+  {
+    __err |= ios_base::failbit;
+    __n = __gnu_cxx::__numeric_traits<int>::__max;
+  }
+       else
+  __n = int(__l);
+     }
+   catch(__cxxabiv1::__forced_unwind&)
+     {
+       this->_M_setstate(ios_base::badbit);
+       throw;
+     }
+   catch(...)
+     { this->_M_setstate(ios_base::badbit); }
+   if (__err)
+     this->setstate(__err);
+ }
+      return *this;
+    }
+
+  template<typename _CharT, typename _Traits>
+    basic_istream<_CharT, _Traits>&
+    basic_istream<_CharT, _Traits>::
+    operator>>(__streambuf_type* __sbout)
+    {
+      ios_base::iostate __err = ios_base::goodbit;
+      sentry __cerb(*this, false);
+      if (__cerb && __sbout)
+ {
+   try
+     {
+       bool __ineof;
+       if (!__copy_streambufs_eof(this->rdbuf(), __sbout, __ineof))
+  __err |= ios_base::failbit;
+       if (__ineof)
+  __err |= ios_base::eofbit;
+     }
+   catch(__cxxabiv1::__forced_unwind&)
+     {
+       this->_M_setstate(ios_base::failbit);
+       throw;
+     }
+   catch(...)
+     { this->_M_setstate(ios_base::failbit); }
+ }
+      else if (!__sbout)
+ __err |= ios_base::failbit;
+      if (__err)
+ this->setstate(__err);
+      return *this;
+    }
+
+  template<typename _CharT, typename _Traits>
+    typename basic_istream<_CharT, _Traits>::int_type
+    basic_istream<_CharT, _Traits>::
+    get(void)
+    {
+      const int_type __eof = traits_type::eof();
+      int_type __c = __eof;
+      _M_gcount = 0;
+      ios_base::iostate __err = ios_base::goodbit;
+      sentry __cerb(*this, true);
+      if (__cerb)
+ {
+   try
+     {
+       __c = this->rdbuf()->sbumpc();
+
+       if (!traits_type::eq_int_type(__c, __eof))
+  _M_gcount = 1;
+       else
+  __err |= ios_base::eofbit;
+     }
+   catch(__cxxabiv1::__forced_unwind&)
+     {
+       this->_M_setstate(ios_base::badbit);
+       throw;
+     }
+   catch(...)
+     { this->_M_setstate(ios_base::badbit); }
+ }
+      if (!_M_gcount)
+ __err |= ios_base::failbit;
+      if (__err)
+ this->setstate(__err);
+      return __c;
+    }
+
+  template<typename _CharT, typename _Traits>
+    basic_istream<_CharT, _Traits>&
+    basic_istream<_CharT, _Traits>::
+    get(char_type& __c)
+    {
+      _M_gcount = 0;
+      ios_base::iostate __err = ios_base::goodbit;
+      sentry __cerb(*this, true);
+      if (__cerb)
+ {
+   try
+     {
+       const int_type __cb = this->rdbuf()->sbumpc();
+
+       if (!traits_type::eq_int_type(__cb, traits_type::eof()))
+  {
+    _M_gcount = 1;
+    __c = traits_type::to_char_type(__cb);
+  }
+       else
+  __err |= ios_base::eofbit;
+     }
+   catch(__cxxabiv1::__forced_unwind&)
+     {
+       this->_M_setstate(ios_base::badbit);
+       throw;
+     }
+   catch(...)
+     { this->_M_setstate(ios_base::badbit); }
+ }
+      if (!_M_gcount)
+ __err |= ios_base::failbit;
+      if (__err)
+ this->setstate(__err);
+      return *this;
+    }
+
+  template<typename _CharT, typename _Traits>
+    basic_istream<_CharT, _Traits>&
+    basic_istream<_CharT, _Traits>::
+    get(char_type* __s, streamsize __n, char_type __delim)
+    {
+      _M_gcount = 0;
+      ios_base::iostate __err = ios_base::goodbit;
+      sentry __cerb(*this, true);
+      if (__cerb)
+ {
+   try
+     {
+       const int_type __idelim = traits_type::to_int_type(__delim);
+       const int_type __eof = traits_type::eof();
+       __streambuf_type* __sb = this->rdbuf();
+       int_type __c = __sb->sgetc();
+
+       while (_M_gcount + 1 < __n
+       && !traits_type::eq_int_type(__c, __eof)
+       && !traits_type::eq_int_type(__c, __idelim))
+  {
+    *__s++ = traits_type::to_char_type(__c);
+    ++_M_gcount;
+    __c = __sb->snextc();
+  }
+       if (traits_type::eq_int_type(__c, __eof))
+  __err |= ios_base::eofbit;
+     }
+   catch(__cxxabiv1::__forced_unwind&)
+     {
+       this->_M_setstate(ios_base::badbit);
+       throw;
+     }
+   catch(...)
+     { this->_M_setstate(ios_base::badbit); }
+ }
+
+
+      if (__n > 0)
+ *__s = char_type();
+      if (!_M_gcount)
+ __err |= ios_base::failbit;
+      if (__err)
+ this->setstate(__err);
+      return *this;
+    }
+
+  template<typename _CharT, typename _Traits>
+    basic_istream<_CharT, _Traits>&
+    basic_istream<_CharT, _Traits>::
+    get(__streambuf_type& __sb, char_type __delim)
+    {
+      _M_gcount = 0;
+      ios_base::iostate __err = ios_base::goodbit;
+      sentry __cerb(*this, true);
+      if (__cerb)
+ {
+   try
+     {
+       const int_type __idelim = traits_type::to_int_type(__delim);
+       const int_type __eof = traits_type::eof();
+       __streambuf_type* __this_sb = this->rdbuf();
+       int_type __c = __this_sb->sgetc();
+       char_type __c2 = traits_type::to_char_type(__c);
+
+       while (!traits_type::eq_int_type(__c, __eof)
+       && !traits_type::eq_int_type(__c, __idelim)
+       && !traits_type::eq_int_type(__sb.sputc(__c2), __eof))
+  {
+    ++_M_gcount;
+    __c = __this_sb->snextc();
+    __c2 = traits_type::to_char_type(__c);
+  }
+       if (traits_type::eq_int_type(__c, __eof))
+  __err |= ios_base::eofbit;
+     }
+   catch(__cxxabiv1::__forced_unwind&)
+     {
+       this->_M_setstate(ios_base::badbit);
+       throw;
+     }
+   catch(...)
+     { this->_M_setstate(ios_base::badbit); }
+ }
+      if (!_M_gcount)
+ __err |= ios_base::failbit;
+      if (__err)
+ this->setstate(__err);
+      return *this;
+    }
+
+  template<typename _CharT, typename _Traits>
+    basic_istream<_CharT, _Traits>&
+    basic_istream<_CharT, _Traits>::
+    getline(char_type* __s, streamsize __n, char_type __delim)
+    {
+      _M_gcount = 0;
+      ios_base::iostate __err = ios_base::goodbit;
+      sentry __cerb(*this, true);
+      if (__cerb)
+        {
+          try
+            {
+              const int_type __idelim = traits_type::to_int_type(__delim);
+              const int_type __eof = traits_type::eof();
+              __streambuf_type* __sb = this->rdbuf();
+              int_type __c = __sb->sgetc();
+
+              while (_M_gcount + 1 < __n
+                     && !traits_type::eq_int_type(__c, __eof)
+                     && !traits_type::eq_int_type(__c, __idelim))
+                {
+                  *__s++ = traits_type::to_char_type(__c);
+                  __c = __sb->snextc();
+                  ++_M_gcount;
+                }
+              if (traits_type::eq_int_type(__c, __eof))
+                __err |= ios_base::eofbit;
+              else
+                {
+                  if (traits_type::eq_int_type(__c, __idelim))
+                    {
+                      __sb->sbumpc();
+                      ++_M_gcount;
+                    }
+                  else
+                    __err |= ios_base::failbit;
+                }
+            }
+   catch(__cxxabiv1::__forced_unwind&)
+     {
+       this->_M_setstate(ios_base::badbit);
+       throw;
+     }
+          catch(...)
+            { this->_M_setstate(ios_base::badbit); }
+        }
+
+
+      if (__n > 0)
+ *__s = char_type();
+      if (!_M_gcount)
+        __err |= ios_base::failbit;
+      if (__err)
+        this->setstate(__err);
+      return *this;
+    }
+
+
+
+
+  template<typename _CharT, typename _Traits>
+    basic_istream<_CharT, _Traits>&
+    basic_istream<_CharT, _Traits>::
+    ignore(void)
+    {
+      _M_gcount = 0;
+      sentry __cerb(*this, true);
+      if (__cerb)
+ {
+   ios_base::iostate __err = ios_base::goodbit;
+   try
+     {
+       const int_type __eof = traits_type::eof();
+       __streambuf_type* __sb = this->rdbuf();
+
+       if (traits_type::eq_int_type(__sb->sbumpc(), __eof))
+  __err |= ios_base::eofbit;
+       else
+  _M_gcount = 1;
+     }
+   catch(__cxxabiv1::__forced_unwind&)
+     {
+       this->_M_setstate(ios_base::badbit);
+       throw;
+     }
+   catch(...)
+     { this->_M_setstate(ios_base::badbit); }
+   if (__err)
+     this->setstate(__err);
+ }
+      return *this;
+    }
+
+  template<typename _CharT, typename _Traits>
+    basic_istream<_CharT, _Traits>&
+    basic_istream<_CharT, _Traits>::
+    ignore(streamsize __n)
+    {
+      _M_gcount = 0;
+      sentry __cerb(*this, true);
+      if (__cerb && __n > 0)
+        {
+          ios_base::iostate __err = ios_base::goodbit;
+          try
+            {
+              const int_type __eof = traits_type::eof();
+              __streambuf_type* __sb = this->rdbuf();
+              int_type __c = __sb->sgetc();
+# 513 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/istream.tcc" 3
+       bool __large_ignore = false;
+       while (true)
+  {
+    while (_M_gcount < __n
+    && !traits_type::eq_int_type(__c, __eof))
+      {
+        ++_M_gcount;
+        __c = __sb->snextc();
+      }
+    if (__n == __gnu_cxx::__numeric_traits<streamsize>::__max
+        && !traits_type::eq_int_type(__c, __eof))
+      {
+        _M_gcount =
+   __gnu_cxx::__numeric_traits<streamsize>::__min;
+        __large_ignore = true;
+      }
+    else
+      break;
+  }
+
+       if (__large_ignore)
+  _M_gcount = __gnu_cxx::__numeric_traits<streamsize>::__max;
+
+       if (traits_type::eq_int_type(__c, __eof))
+                __err |= ios_base::eofbit;
+            }
+   catch(__cxxabiv1::__forced_unwind&)
+     {
+       this->_M_setstate(ios_base::badbit);
+       throw;
+     }
+          catch(...)
+            { this->_M_setstate(ios_base::badbit); }
+          if (__err)
+            this->setstate(__err);
+        }
+      return *this;
+    }
+
+  template<typename _CharT, typename _Traits>
+    basic_istream<_CharT, _Traits>&
+    basic_istream<_CharT, _Traits>::
+    ignore(streamsize __n, int_type __delim)
+    {
+      _M_gcount = 0;
+      sentry __cerb(*this, true);
+      if (__cerb && __n > 0)
+        {
+          ios_base::iostate __err = ios_base::goodbit;
+          try
+            {
+              const int_type __eof = traits_type::eof();
+              __streambuf_type* __sb = this->rdbuf();
+              int_type __c = __sb->sgetc();
+
+
+       bool __large_ignore = false;
+       while (true)
+  {
+    while (_M_gcount < __n
+    && !traits_type::eq_int_type(__c, __eof)
+    && !traits_type::eq_int_type(__c, __delim))
+      {
+        ++_M_gcount;
+        __c = __sb->snextc();
+      }
+    if (__n == __gnu_cxx::__numeric_traits<streamsize>::__max
+        && !traits_type::eq_int_type(__c, __eof)
+        && !traits_type::eq_int_type(__c, __delim))
+      {
+        _M_gcount =
+   __gnu_cxx::__numeric_traits<streamsize>::__min;
+        __large_ignore = true;
+      }
+    else
+      break;
+  }
+
+       if (__large_ignore)
+  _M_gcount = __gnu_cxx::__numeric_traits<streamsize>::__max;
+
+              if (traits_type::eq_int_type(__c, __eof))
+                __err |= ios_base::eofbit;
+       else if (traits_type::eq_int_type(__c, __delim))
+  {
+    if (_M_gcount
+        < __gnu_cxx::__numeric_traits<streamsize>::__max)
+      ++_M_gcount;
+    __sb->sbumpc();
+  }
+            }
+   catch(__cxxabiv1::__forced_unwind&)
+     {
+       this->_M_setstate(ios_base::badbit);
+       throw;
+     }
+          catch(...)
+            { this->_M_setstate(ios_base::badbit); }
+          if (__err)
+            this->setstate(__err);
+        }
+      return *this;
+    }
+
+  template<typename _CharT, typename _Traits>
+    typename basic_istream<_CharT, _Traits>::int_type
+    basic_istream<_CharT, _Traits>::
+    peek(void)
+    {
+      int_type __c = traits_type::eof();
+      _M_gcount = 0;
+      sentry __cerb(*this, true);
+      if (__cerb)
+ {
+   ios_base::iostate __err = ios_base::goodbit;
+   try
+     {
+       __c = this->rdbuf()->sgetc();
+       if (traits_type::eq_int_type(__c, traits_type::eof()))
+  __err |= ios_base::eofbit;
+     }
+   catch(__cxxabiv1::__forced_unwind&)
+     {
+       this->_M_setstate(ios_base::badbit);
+       throw;
+     }
+   catch(...)
+     { this->_M_setstate(ios_base::badbit); }
+   if (__err)
+     this->setstate(__err);
+ }
+      return __c;
+    }
+
+  template<typename _CharT, typename _Traits>
+    basic_istream<_CharT, _Traits>&
+    basic_istream<_CharT, _Traits>::
+    read(char_type* __s, streamsize __n)
+    {
+      _M_gcount = 0;
+      sentry __cerb(*this, true);
+      if (__cerb)
+ {
+   ios_base::iostate __err = ios_base::goodbit;
+   try
+     {
+       _M_gcount = this->rdbuf()->sgetn(__s, __n);
+       if (_M_gcount != __n)
+  __err |= (ios_base::eofbit | ios_base::failbit);
+     }
+   catch(__cxxabiv1::__forced_unwind&)
+     {
+       this->_M_setstate(ios_base::badbit);
+       throw;
+     }
+   catch(...)
+     { this->_M_setstate(ios_base::badbit); }
+   if (__err)
+     this->setstate(__err);
+ }
+      return *this;
+    }
+
+  template<typename _CharT, typename _Traits>
+    streamsize
+    basic_istream<_CharT, _Traits>::
+    readsome(char_type* __s, streamsize __n)
+    {
+      _M_gcount = 0;
+      sentry __cerb(*this, true);
+      if (__cerb)
+ {
+   ios_base::iostate __err = ios_base::goodbit;
+   try
+     {
+
+       const streamsize __num = this->rdbuf()->in_avail();
+       if (__num > 0)
+  _M_gcount = this->rdbuf()->sgetn(__s, std::min(__num, __n));
+       else if (__num == -1)
+  __err |= ios_base::eofbit;
+     }
+   catch(__cxxabiv1::__forced_unwind&)
+     {
+       this->_M_setstate(ios_base::badbit);
+       throw;
+     }
+   catch(...)
+     { this->_M_setstate(ios_base::badbit); }
+   if (__err)
+     this->setstate(__err);
+ }
+      return _M_gcount;
+    }
+
+  template<typename _CharT, typename _Traits>
+    basic_istream<_CharT, _Traits>&
+    basic_istream<_CharT, _Traits>::
+    putback(char_type __c)
+    {
+
+
+      _M_gcount = 0;
+
+      this->clear(this->rdstate() & ~ios_base::eofbit);
+      sentry __cerb(*this, true);
+      if (__cerb)
+ {
+   ios_base::iostate __err = ios_base::goodbit;
+   try
+     {
+       const int_type __eof = traits_type::eof();
+       __streambuf_type* __sb = this->rdbuf();
+       if (!__sb
+    || traits_type::eq_int_type(__sb->sputbackc(__c), __eof))
+  __err |= ios_base::badbit;
+     }
+   catch(__cxxabiv1::__forced_unwind&)
+     {
+       this->_M_setstate(ios_base::badbit);
+       throw;
+     }
+   catch(...)
+     { this->_M_setstate(ios_base::badbit); }
+   if (__err)
+     this->setstate(__err);
+ }
+      return *this;
+    }
+
+  template<typename _CharT, typename _Traits>
+    basic_istream<_CharT, _Traits>&
+    basic_istream<_CharT, _Traits>::
+    unget(void)
+    {
+
+
+      _M_gcount = 0;
+
+      this->clear(this->rdstate() & ~ios_base::eofbit);
+      sentry __cerb(*this, true);
+      if (__cerb)
+ {
+   ios_base::iostate __err = ios_base::goodbit;
+   try
+     {
+       const int_type __eof = traits_type::eof();
+       __streambuf_type* __sb = this->rdbuf();
+       if (!__sb
+    || traits_type::eq_int_type(__sb->sungetc(), __eof))
+  __err |= ios_base::badbit;
+     }
+   catch(__cxxabiv1::__forced_unwind&)
+     {
+       this->_M_setstate(ios_base::badbit);
+       throw;
+     }
+   catch(...)
+     { this->_M_setstate(ios_base::badbit); }
+   if (__err)
+     this->setstate(__err);
+ }
+      return *this;
+    }
+
+  template<typename _CharT, typename _Traits>
+    int
+    basic_istream<_CharT, _Traits>::
+    sync(void)
+    {
+
+
+      int __ret = -1;
+      sentry __cerb(*this, true);
+      if (__cerb)
+ {
+   ios_base::iostate __err = ios_base::goodbit;
+   try
+     {
+       __streambuf_type* __sb = this->rdbuf();
+       if (__sb)
+  {
+    if (__sb->pubsync() == -1)
+      __err |= ios_base::badbit;
+    else
+      __ret = 0;
+  }
+     }
+   catch(__cxxabiv1::__forced_unwind&)
+     {
+       this->_M_setstate(ios_base::badbit);
+       throw;
+     }
+   catch(...)
+     { this->_M_setstate(ios_base::badbit); }
+   if (__err)
+     this->setstate(__err);
+ }
+      return __ret;
+    }
+
+  template<typename _CharT, typename _Traits>
+    typename basic_istream<_CharT, _Traits>::pos_type
+    basic_istream<_CharT, _Traits>::
+    tellg(void)
+    {
+
+
+      pos_type __ret = pos_type(-1);
+      sentry __cerb(*this, true);
+      if (__cerb)
+ {
+   try
+     {
+       if (!this->fail())
+  __ret = this->rdbuf()->pubseekoff(0, ios_base::cur,
+        ios_base::in);
+     }
+   catch(__cxxabiv1::__forced_unwind&)
+     {
+       this->_M_setstate(ios_base::badbit);
+       throw;
+     }
+   catch(...)
+     { this->_M_setstate(ios_base::badbit); }
+ }
+      return __ret;
+    }
+
+  template<typename _CharT, typename _Traits>
+    basic_istream<_CharT, _Traits>&
+    basic_istream<_CharT, _Traits>::
+    seekg(pos_type __pos)
+    {
+
+
+
+      this->clear(this->rdstate() & ~ios_base::eofbit);
+      sentry __cerb(*this, true);
+      if (__cerb)
+ {
+   ios_base::iostate __err = ios_base::goodbit;
+   try
+     {
+       if (!this->fail())
+  {
+
+    const pos_type __p = this->rdbuf()->pubseekpos(__pos,
+         ios_base::in);
+
+
+    if (__p == pos_type(off_type(-1)))
+      __err |= ios_base::failbit;
+  }
+     }
+   catch(__cxxabiv1::__forced_unwind&)
+     {
+       this->_M_setstate(ios_base::badbit);
+       throw;
+     }
+   catch(...)
+     { this->_M_setstate(ios_base::badbit); }
+   if (__err)
+     this->setstate(__err);
+ }
+      return *this;
+    }
+
+  template<typename _CharT, typename _Traits>
+    basic_istream<_CharT, _Traits>&
+    basic_istream<_CharT, _Traits>::
+    seekg(off_type __off, ios_base::seekdir __dir)
+    {
+
+
+
+      this->clear(this->rdstate() & ~ios_base::eofbit);
+      sentry __cerb(*this, true);
+      if (__cerb)
+ {
+   ios_base::iostate __err = ios_base::goodbit;
+   try
+     {
+       if (!this->fail())
+  {
+
+    const pos_type __p = this->rdbuf()->pubseekoff(__off, __dir,
+         ios_base::in);
+
+
+    if (__p == pos_type(off_type(-1)))
+      __err |= ios_base::failbit;
+  }
+     }
+   catch(__cxxabiv1::__forced_unwind&)
+     {
+       this->_M_setstate(ios_base::badbit);
+       throw;
+     }
+   catch(...)
+     { this->_M_setstate(ios_base::badbit); }
+   if (__err)
+     this->setstate(__err);
+ }
+      return *this;
+    }
+
+
+  template<typename _CharT, typename _Traits>
+    basic_istream<_CharT, _Traits>&
+    operator>>(basic_istream<_CharT, _Traits>& __in, _CharT& __c)
+    {
+      typedef basic_istream<_CharT, _Traits> __istream_type;
+      typedef typename __istream_type::int_type __int_type;
+
+      typename __istream_type::sentry __cerb(__in, false);
+      if (__cerb)
+ {
+   ios_base::iostate __err = ios_base::goodbit;
+   try
+     {
+       const __int_type __cb = __in.rdbuf()->sbumpc();
+       if (!_Traits::eq_int_type(__cb, _Traits::eof()))
+  __c = _Traits::to_char_type(__cb);
+       else
+  __err |= (ios_base::eofbit | ios_base::failbit);
+     }
+   catch(__cxxabiv1::__forced_unwind&)
+     {
+       __in._M_setstate(ios_base::badbit);
+       throw;
+     }
+   catch(...)
+     { __in._M_setstate(ios_base::badbit); }
+   if (__err)
+     __in.setstate(__err);
+ }
+      return __in;
+    }
+
+  template<typename _CharT, typename _Traits>
+    basic_istream<_CharT, _Traits>&
+    operator>>(basic_istream<_CharT, _Traits>& __in, _CharT* __s)
+    {
+      typedef basic_istream<_CharT, _Traits> __istream_type;
+      typedef basic_streambuf<_CharT, _Traits> __streambuf_type;
+      typedef typename _Traits::int_type int_type;
+      typedef _CharT char_type;
+      typedef ctype<_CharT> __ctype_type;
+
+      streamsize __extracted = 0;
+      ios_base::iostate __err = ios_base::goodbit;
+      typename __istream_type::sentry __cerb(__in, false);
+      if (__cerb)
+ {
+   try
+     {
+
+       streamsize __num = __in.width();
+       if (__num <= 0)
+  __num = __gnu_cxx::__numeric_traits<streamsize>::__max;
+
+       const __ctype_type& __ct = use_facet<__ctype_type>(__in.getloc());
+
+       const int_type __eof = _Traits::eof();
+       __streambuf_type* __sb = __in.rdbuf();
+       int_type __c = __sb->sgetc();
+
+       while (__extracted < __num - 1
+       && !_Traits::eq_int_type(__c, __eof)
+       && !__ct.is(ctype_base::space,
+     _Traits::to_char_type(__c)))
+  {
+    *__s++ = _Traits::to_char_type(__c);
+    ++__extracted;
+    __c = __sb->snextc();
+  }
+       if (_Traits::eq_int_type(__c, __eof))
+  __err |= ios_base::eofbit;
+
+
+
+       *__s = char_type();
+       __in.width(0);
+     }
+   catch(__cxxabiv1::__forced_unwind&)
+     {
+       __in._M_setstate(ios_base::badbit);
+       throw;
+     }
+   catch(...)
+     { __in._M_setstate(ios_base::badbit); }
+ }
+      if (!__extracted)
+ __err |= ios_base::failbit;
+      if (__err)
+ __in.setstate(__err);
+      return __in;
+    }
+
+
+  template<typename _CharT, typename _Traits>
+    basic_istream<_CharT, _Traits>&
+    ws(basic_istream<_CharT, _Traits>& __in)
+    {
+      typedef basic_istream<_CharT, _Traits> __istream_type;
+      typedef basic_streambuf<_CharT, _Traits> __streambuf_type;
+      typedef typename __istream_type::int_type __int_type;
+      typedef ctype<_CharT> __ctype_type;
+
+      const __ctype_type& __ct = use_facet<__ctype_type>(__in.getloc());
+      const __int_type __eof = _Traits::eof();
+      __streambuf_type* __sb = __in.rdbuf();
+      __int_type __c = __sb->sgetc();
+
+      while (!_Traits::eq_int_type(__c, __eof)
+      && __ct.is(ctype_base::space, _Traits::to_char_type(__c)))
+ __c = __sb->snextc();
+
+       if (_Traits::eq_int_type(__c, __eof))
+  __in.setstate(ios_base::eofbit);
+      return __in;
+    }
+
+
+
+
+  extern template class basic_istream<char>;
+  extern template istream& ws(istream&);
+  extern template istream& operator>>(istream&, char&);
+  extern template istream& operator>>(istream&, char*);
+  extern template istream& operator>>(istream&, unsigned char&);
+  extern template istream& operator>>(istream&, signed char&);
+  extern template istream& operator>>(istream&, unsigned char*);
+  extern template istream& operator>>(istream&, signed char*);
+
+  extern template istream& istream::_M_extract(unsigned short&);
+  extern template istream& istream::_M_extract(unsigned int&);
+  extern template istream& istream::_M_extract(long&);
+  extern template istream& istream::_M_extract(unsigned long&);
+  extern template istream& istream::_M_extract(bool&);
+
+  extern template istream& istream::_M_extract(long long&);
+  extern template istream& istream::_M_extract(unsigned long long&);
+
+  extern template istream& istream::_M_extract(float&);
+  extern template istream& istream::_M_extract(double&);
+  extern template istream& istream::_M_extract(long double&);
+  extern template istream& istream::_M_extract(void*&);
+
+  extern template class basic_iostream<char>;
+
+
+  extern template class basic_istream<wchar_t>;
+  extern template wistream& ws(wistream&);
+  extern template wistream& operator>>(wistream&, wchar_t&);
+  extern template wistream& operator>>(wistream&, wchar_t*);
+
+  extern template wistream& wistream::_M_extract(unsigned short&);
+  extern template wistream& wistream::_M_extract(unsigned int&);
+  extern template wistream& wistream::_M_extract(long&);
+  extern template wistream& wistream::_M_extract(unsigned long&);
+  extern template wistream& wistream::_M_extract(bool&);
+
+  extern template wistream& wistream::_M_extract(long long&);
+  extern template wistream& wistream::_M_extract(unsigned long long&);
+
+  extern template wistream& wistream::_M_extract(float&);
+  extern template wistream& wistream::_M_extract(double&);
+  extern template wistream& wistream::_M_extract(long double&);
+  extern template wistream& wistream::_M_extract(void*&);
+
+  extern template class basic_iostream<wchar_t>;
+
+
+
+
+}
+# 935 "/aux/hubicka/trunk-install/include/c++/6.0.0/istream" 2 3
+# 41 "/aux/hubicka/trunk-install/include/c++/6.0.0/iostream" 2 3
+
+namespace std __attribute__ ((__visibility__ ("default")))
+{
+
+# 60 "/aux/hubicka/trunk-install/include/c++/6.0.0/iostream" 3
+  extern istream cin;
+  extern ostream cout;
+  extern ostream cerr;
+  extern ostream clog;
+
+
+  extern wistream wcin;
+  extern wostream wcout;
+  extern wostream wcerr;
+  extern wostream wclog;
+
+
+
+
+  static ios_base::Init __ioinit;
+
+
+}
+# 2 "t.C" 2
+# 1 "/aux/hubicka/trunk-install/include/c++/6.0.0/sstream" 1 3
+# 36 "/aux/hubicka/trunk-install/include/c++/6.0.0/sstream" 3
+       
+# 37 "/aux/hubicka/trunk-install/include/c++/6.0.0/sstream" 3
+
+
+
+
+namespace std __attribute__ ((__visibility__ ("default")))
+{
+
+namespace __cxx11 {
+# 64 "/aux/hubicka/trunk-install/include/c++/6.0.0/sstream" 3
+  template<typename _CharT, typename _Traits, typename _Alloc>
+    class basic_stringbuf : public basic_streambuf<_CharT, _Traits>
+    {
+      struct __xfer_bufptrs;
+    public:
+
+      typedef _CharT char_type;
+      typedef _Traits traits_type;
+
+
+      typedef _Alloc allocator_type;
+      typedef typename traits_type::int_type int_type;
+      typedef typename traits_type::pos_type pos_type;
+      typedef typename traits_type::off_type off_type;
+
+      typedef basic_streambuf<char_type, traits_type> __streambuf_type;
+      typedef basic_string<char_type, _Traits, _Alloc> __string_type;
+      typedef typename __string_type::size_type __size_type;
+
+    protected:
+
+      ios_base::openmode _M_mode;
+
+
+      __string_type _M_string;
+
+    public:
+# 99 "/aux/hubicka/trunk-install/include/c++/6.0.0/sstream" 3
+      explicit
+      basic_stringbuf(ios_base::openmode __mode = ios_base::in | ios_base::out)
+      : __streambuf_type(), _M_mode(__mode), _M_string()
+      { }
+# 112 "/aux/hubicka/trunk-install/include/c++/6.0.0/sstream" 3
+      explicit
+      basic_stringbuf(const __string_type& __str,
+        ios_base::openmode __mode = ios_base::in | ios_base::out)
+      : __streambuf_type(), _M_mode(), _M_string(__str.data(), __str.size())
+      { _M_stringbuf_init(__mode); }
+
+
+      basic_stringbuf(const basic_stringbuf&) = delete;
+
+      basic_stringbuf(basic_stringbuf&& __rhs)
+      : basic_stringbuf(std::move(__rhs), __xfer_bufptrs(__rhs, this))
+      { __rhs._M_sync(const_cast<char_type*>(__rhs._M_string.data()), 0, 0); }
+
+
+
+      basic_stringbuf&
+      operator=(const basic_stringbuf&) = delete;
+
+      basic_stringbuf&
+      operator=(basic_stringbuf&& __rhs)
+      {
+ __xfer_bufptrs __st{__rhs, this};
+ const __streambuf_type& __base = __rhs;
+ __streambuf_type::operator=(__base);
+ this->pubimbue(__rhs.getloc());
+ _M_mode = __rhs._M_mode;
+ _M_string = std::move(__rhs._M_string);
+ __rhs._M_sync(const_cast<char_type*>(__rhs._M_string.data()), 0, 0);
+ return *this;
+      }
+
+      void
+      swap(basic_stringbuf& __rhs)
+      {
+ __xfer_bufptrs __l_st{*this, std::__addressof(__rhs)};
+ __xfer_bufptrs __r_st{__rhs, this};
+ __streambuf_type& __base = __rhs;
+ __streambuf_type::swap(__base);
+ __rhs.pubimbue(this->pubimbue(__rhs.getloc()));
+ std::swap(_M_mode, __rhs._M_mode);
+ std::swap(_M_string, __rhs._M_string);
+      }
+# 165 "/aux/hubicka/trunk-install/include/c++/6.0.0/sstream" 3
+      __string_type
+      str() const
+      {
+ __string_type __ret;
+ if (this->pptr())
+   {
+
+     if (this->pptr() > this->egptr())
+       __ret = __string_type(this->pbase(), this->pptr());
+     else
+        __ret = __string_type(this->pbase(), this->egptr());
+   }
+ else
+   __ret = _M_string;
+ return __ret;
+      }
+# 189 "/aux/hubicka/trunk-install/include/c++/6.0.0/sstream" 3
+      void
+      str(const __string_type& __s)
+      {
+
+
+ _M_string.assign(__s.data(), __s.size());
+ _M_stringbuf_init(_M_mode);
+      }
+
+    protected:
+
+      void
+      _M_stringbuf_init(ios_base::openmode __mode)
+      {
+ _M_mode = __mode;
+ __size_type __len = 0;
+ if (_M_mode & (ios_base::ate | ios_base::app))
+   __len = _M_string.size();
+ _M_sync(const_cast<char_type*>(_M_string.data()), 0, __len);
+      }
+
+      virtual streamsize
+      showmanyc()
+      {
+ streamsize __ret = -1;
+ if (_M_mode & ios_base::in)
+   {
+     _M_update_egptr();
+     __ret = this->egptr() - this->gptr();
+   }
+ return __ret;
+      }
+
+      virtual int_type
+      underflow();
+
+      virtual int_type
+      pbackfail(int_type __c = traits_type::eof());
+
+      virtual int_type
+      overflow(int_type __c = traits_type::eof());
+# 242 "/aux/hubicka/trunk-install/include/c++/6.0.0/sstream" 3
+      virtual __streambuf_type*
+      setbuf(char_type* __s, streamsize __n)
+      {
+ if (__s && __n >= 0)
+   {
+
+
+
+
+
+
+     _M_string.clear();
+
+
+     _M_sync(__s, __n, 0);
+   }
+ return this;
+      }
+
+      virtual pos_type
+      seekoff(off_type __off, ios_base::seekdir __way,
+       ios_base::openmode __mode = ios_base::in | ios_base::out);
+
+      virtual pos_type
+      seekpos(pos_type __sp,
+       ios_base::openmode __mode = ios_base::in | ios_base::out);
+
+
+
+
+      void
+      _M_sync(char_type* __base, __size_type __i, __size_type __o);
+
+
+
+      void
+      _M_update_egptr()
+      {
+ const bool __testin = _M_mode & ios_base::in;
+ if (this->pptr() && this->pptr() > this->egptr())
+   {
+     if (__testin)
+       this->setg(this->eback(), this->gptr(), this->pptr());
+     else
+       this->setg(this->pptr(), this->pptr(), this->pptr());
+   }
+      }
+
+
+
+      void
+      _M_pbump(char_type* __pbeg, char_type* __pend, off_type __off);
+
+    private:
+
+
+
+
+      struct __xfer_bufptrs
+      {
+ __xfer_bufptrs(const basic_stringbuf& __from, basic_stringbuf* __to)
+ : _M_to{__to}, _M_goff{-1, -1, -1}, _M_poff{-1, -1, -1}
+ {
+   const _CharT* __str = __from._M_string.data();
+   if (__from.eback())
+     {
+     _M_goff[0] = __from.eback() - __str;
+     _M_goff[1] = __from.gptr() - __str;
+     _M_goff[2] = __from.egptr() - __str;
+     }
+   if (__from.pbase())
+     {
+       _M_poff[0] = __from.pbase() - __str;
+       _M_poff[1] = __from.pptr() - __from.pbase();
+       _M_poff[2] = __from.epptr() - __str;
+     }
+ }
+
+ ~__xfer_bufptrs()
+ {
+   char_type* __str = const_cast<char_type*>(_M_to->_M_string.data());
+   if (_M_goff[0] != -1)
+     _M_to->setg(__str+_M_goff[0], __str+_M_goff[1], __str+_M_goff[2]);
+   if (_M_poff[0] != -1)
+     _M_to->_M_pbump(__str+_M_poff[0], __str+_M_poff[2], _M_poff[1]);
+ }
+
+ basic_stringbuf* _M_to;
+ off_type _M_goff[3];
+ off_type _M_poff[3];
+      };
+# 343 "/aux/hubicka/trunk-install/include/c++/6.0.0/sstream" 3
+      basic_stringbuf(basic_stringbuf&& __rhs, __xfer_bufptrs&&)
+      : __streambuf_type(static_cast<const __streambuf_type&>(__rhs)),
+      _M_mode(__rhs._M_mode), _M_string(std::move(__rhs._M_string))
+      { }
+
+    };
+# 366 "/aux/hubicka/trunk-install/include/c++/6.0.0/sstream" 3
+  template<typename _CharT, typename _Traits, typename _Alloc>
+    class basic_istringstream : public basic_istream<_CharT, _Traits>
+    {
+    public:
+
+      typedef _CharT char_type;
+      typedef _Traits traits_type;
+
+
+      typedef _Alloc allocator_type;
+      typedef typename traits_type::int_type int_type;
+      typedef typename traits_type::pos_type pos_type;
+      typedef typename traits_type::off_type off_type;
+
+
+      typedef basic_string<_CharT, _Traits, _Alloc> __string_type;
+      typedef basic_stringbuf<_CharT, _Traits, _Alloc> __stringbuf_type;
+      typedef basic_istream<char_type, traits_type> __istream_type;
+
+    private:
+      __stringbuf_type _M_stringbuf;
+
+    public:
+# 402 "/aux/hubicka/trunk-install/include/c++/6.0.0/sstream" 3
+      explicit
+      basic_istringstream(ios_base::openmode __mode = ios_base::in)
+      : __istream_type(), _M_stringbuf(__mode | ios_base::in)
+      { this->init(&_M_stringbuf); }
+# 420 "/aux/hubicka/trunk-install/include/c++/6.0.0/sstream" 3
+      explicit
+      basic_istringstream(const __string_type& __str,
+     ios_base::openmode __mode = ios_base::in)
+      : __istream_type(), _M_stringbuf(__str, __mode | ios_base::in)
+      { this->init(&_M_stringbuf); }
+
+
+
+
+
+
+
+      ~basic_istringstream()
+      { }
+
+
+      basic_istringstream(const basic_istringstream&) = delete;
+
+      basic_istringstream(basic_istringstream&& __rhs)
+      : __istream_type(std::move(__rhs)),
+      _M_stringbuf(std::move(__rhs._M_stringbuf))
+      { __istream_type::set_rdbuf(&_M_stringbuf); }
+
+
+
+      basic_istringstream&
+      operator=(const basic_istringstream&) = delete;
+
+      basic_istringstream&
+      operator=(basic_istringstream&& __rhs)
+      {
+ __istream_type::operator=(std::move(__rhs));
+ _M_stringbuf = std::move(__rhs._M_stringbuf);
+ return *this;
+      }
+
+      void
+      swap(basic_istringstream& __rhs)
+      {
+ __istream_type::swap(__rhs);
+ _M_stringbuf.swap(__rhs._M_stringbuf);
+      }
+# 471 "/aux/hubicka/trunk-install/include/c++/6.0.0/sstream" 3
+      __stringbuf_type*
+      rdbuf() const
+      { return const_cast<__stringbuf_type*>(&_M_stringbuf); }
+
+
+
+
+
+      __string_type
+      str() const
+      { return _M_stringbuf.str(); }
+
+
+
+
+
+
+
+      void
+      str(const __string_type& __s)
+      { _M_stringbuf.str(__s); }
+    };
+# 510 "/aux/hubicka/trunk-install/include/c++/6.0.0/sstream" 3
+  template <typename _CharT, typename _Traits, typename _Alloc>
+    class basic_ostringstream : public basic_ostream<_CharT, _Traits>
+    {
+    public:
+
+      typedef _CharT char_type;
+      typedef _Traits traits_type;
+
+
+      typedef _Alloc allocator_type;
+      typedef typename traits_type::int_type int_type;
+      typedef typename traits_type::pos_type pos_type;
+      typedef typename traits_type::off_type off_type;
+
+
+      typedef basic_string<_CharT, _Traits, _Alloc> __string_type;
+      typedef basic_stringbuf<_CharT, _Traits, _Alloc> __stringbuf_type;
+      typedef basic_ostream<char_type, traits_type> __ostream_type;
+
+    private:
+      __stringbuf_type _M_stringbuf;
+
+    public:
+# 546 "/aux/hubicka/trunk-install/include/c++/6.0.0/sstream" 3
+      explicit
+      basic_ostringstream(ios_base::openmode __mode = ios_base::out)
+      : __ostream_type(), _M_stringbuf(__mode | ios_base::out)
+      { this->init(&_M_stringbuf); }
+# 564 "/aux/hubicka/trunk-install/include/c++/6.0.0/sstream" 3
+      explicit
+      basic_ostringstream(const __string_type& __str,
+     ios_base::openmode __mode = ios_base::out)
+      : __ostream_type(), _M_stringbuf(__str, __mode | ios_base::out)
+      { this->init(&_M_stringbuf); }
+
+
+
+
+
+
+
+      ~basic_ostringstream()
+      { }
+
+
+      basic_ostringstream(const basic_ostringstream&) = delete;
+
+      basic_ostringstream(basic_ostringstream&& __rhs)
+      : __ostream_type(std::move(__rhs)),
+      _M_stringbuf(std::move(__rhs._M_stringbuf))
+      { __ostream_type::set_rdbuf(&_M_stringbuf); }
+
+
+
+      basic_ostringstream&
+      operator=(const basic_ostringstream&) = delete;
+
+      basic_ostringstream&
+      operator=(basic_ostringstream&& __rhs)
+      {
+ __ostream_type::operator=(std::move(__rhs));
+ _M_stringbuf = std::move(__rhs._M_stringbuf);
+ return *this;
+      }
+
+      void
+      swap(basic_ostringstream& __rhs)
+      {
+ __ostream_type::swap(__rhs);
+ _M_stringbuf.swap(__rhs._M_stringbuf);
+      }
+# 615 "/aux/hubicka/trunk-install/include/c++/6.0.0/sstream" 3
+      __stringbuf_type*
+      rdbuf() const
+      { return const_cast<__stringbuf_type*>(&_M_stringbuf); }
+
+
+
+
+
+      __string_type
+      str() const
+      { return _M_stringbuf.str(); }
+
+
+
+
+
+
+
+      void
+      str(const __string_type& __s)
+      { _M_stringbuf.str(__s); }
+    };
+# 654 "/aux/hubicka/trunk-install/include/c++/6.0.0/sstream" 3
+  template <typename _CharT, typename _Traits, typename _Alloc>
+    class basic_stringstream : public basic_iostream<_CharT, _Traits>
+    {
+    public:
+
+      typedef _CharT char_type;
+      typedef _Traits traits_type;
+
+
+      typedef _Alloc allocator_type;
+      typedef typename traits_type::int_type int_type;
+      typedef typename traits_type::pos_type pos_type;
+      typedef typename traits_type::off_type off_type;
+
+
+      typedef basic_string<_CharT, _Traits, _Alloc> __string_type;
+      typedef basic_stringbuf<_CharT, _Traits, _Alloc> __stringbuf_type;
+      typedef basic_iostream<char_type, traits_type> __iostream_type;
+
+    private:
+      __stringbuf_type _M_stringbuf;
+
+    public:
+# 689 "/aux/hubicka/trunk-install/include/c++/6.0.0/sstream" 3
+      explicit
+      basic_stringstream(ios_base::openmode __m = ios_base::out | ios_base::in)
+      : __iostream_type(), _M_stringbuf(__m)
+      { this->init(&_M_stringbuf); }
+# 705 "/aux/hubicka/trunk-install/include/c++/6.0.0/sstream" 3
+      explicit
+      basic_stringstream(const __string_type& __str,
+    ios_base::openmode __m = ios_base::out | ios_base::in)
+      : __iostream_type(), _M_stringbuf(__str, __m)
+      { this->init(&_M_stringbuf); }
+
+
+
+
+
+
+
+      ~basic_stringstream()
+      { }
+
+
+      basic_stringstream(const basic_stringstream&) = delete;
+
+      basic_stringstream(basic_stringstream&& __rhs)
+      : __iostream_type(std::move(__rhs)),
+      _M_stringbuf(std::move(__rhs._M_stringbuf))
+      { __iostream_type::set_rdbuf(&_M_stringbuf); }
+
+
+
+      basic_stringstream&
+      operator=(const basic_stringstream&) = delete;
+
+      basic_stringstream&
+      operator=(basic_stringstream&& __rhs)
+      {
+ __iostream_type::operator=(std::move(__rhs));
+ _M_stringbuf = std::move(__rhs._M_stringbuf);
+ return *this;
+      }
+
+      void
+      swap(basic_stringstream& __rhs)
+      {
+ __iostream_type::swap(__rhs);
+ _M_stringbuf.swap(__rhs._M_stringbuf);
+      }
+# 756 "/aux/hubicka/trunk-install/include/c++/6.0.0/sstream" 3
+      __stringbuf_type*
+      rdbuf() const
+      { return const_cast<__stringbuf_type*>(&_M_stringbuf); }
+
+
+
+
+
+      __string_type
+      str() const
+      { return _M_stringbuf.str(); }
+
+
+
+
+
+
+
+      void
+      str(const __string_type& __s)
+      { _M_stringbuf.str(__s); }
+    };
+
+
+
+  template <class _CharT, class _Traits, class _Allocator>
+    inline void
+    swap(basic_stringbuf<_CharT, _Traits, _Allocator>& __x,
+  basic_stringbuf<_CharT, _Traits, _Allocator>& __y)
+    { __x.swap(__y); }
+
+
+  template <class _CharT, class _Traits, class _Allocator>
+    inline void
+    swap(basic_istringstream<_CharT, _Traits, _Allocator>& __x,
+  basic_istringstream<_CharT, _Traits, _Allocator>& __y)
+    { __x.swap(__y); }
+
+
+  template <class _CharT, class _Traits, class _Allocator>
+    inline void
+    swap(basic_ostringstream<_CharT, _Traits, _Allocator>& __x,
+  basic_ostringstream<_CharT, _Traits, _Allocator>& __y)
+    { __x.swap(__y); }
+
+
+  template <class _CharT, class _Traits, class _Allocator>
+    inline void
+    swap(basic_stringstream<_CharT, _Traits, _Allocator>& __x,
+  basic_stringstream<_CharT, _Traits, _Allocator>& __y)
+    { __x.swap(__y); }
+
+
+}
+
+}
+
+# 1 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/sstream.tcc" 1 3
+# 37 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/sstream.tcc" 3
+       
+# 38 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/sstream.tcc" 3
+
+namespace std __attribute__ ((__visibility__ ("default")))
+{
+
+
+  template <class _CharT, class _Traits, class _Alloc>
+    typename basic_stringbuf<_CharT, _Traits, _Alloc>::int_type
+    basic_stringbuf<_CharT, _Traits, _Alloc>::
+    pbackfail(int_type __c)
+    {
+      int_type __ret = traits_type::eof();
+      if (this->eback() < this->gptr())
+ {
+
+
+   const bool __testeof = traits_type::eq_int_type(__c, __ret);
+   if (!__testeof)
+     {
+       const bool __testeq = traits_type::eq(traits_type::
+          to_char_type(__c),
+          this->gptr()[-1]);
+       const bool __testout = this->_M_mode & ios_base::out;
+       if (__testeq || __testout)
+  {
+    this->gbump(-1);
+    if (!__testeq)
+      *this->gptr() = traits_type::to_char_type(__c);
+    __ret = __c;
+  }
+     }
+   else
+     {
+       this->gbump(-1);
+       __ret = traits_type::not_eof(__c);
+     }
+ }
+      return __ret;
+    }
+
+  template <class _CharT, class _Traits, class _Alloc>
+    typename basic_stringbuf<_CharT, _Traits, _Alloc>::int_type
+    basic_stringbuf<_CharT, _Traits, _Alloc>::
+    overflow(int_type __c)
+    {
+      const bool __testout = this->_M_mode & ios_base::out;
+      if (__builtin_expect(!__testout, false))
+ return traits_type::eof();
+
+      const bool __testeof = traits_type::eq_int_type(__c, traits_type::eof());
+      if (__builtin_expect(__testeof, false))
+ return traits_type::not_eof(__c);
+
+      const __size_type __capacity = _M_string.capacity();
+      const __size_type __max_size = _M_string.max_size();
+      const bool __testput = this->pptr() < this->epptr();
+      if (__builtin_expect(!__testput && __capacity == __max_size, false))
+ return traits_type::eof();
+
+
+
+      const char_type __conv = traits_type::to_char_type(__c);
+      if (!__testput)
+ {
+# 110 "/aux/hubicka/trunk-install/include/c++/6.0.0/bits/sstream.tcc" 3
+   const __size_type __opt_len = std::max(__size_type(2 * __capacity),
+       __size_type(512));
+   const __size_type __len = std::min(__opt_len, __max_size);
+   __string_type __tmp;
+   __tmp.reserve(__len);
+   if (this->pbase())
+     __tmp.assign(this->pbase(), this->epptr() - this->pbase());
+   __tmp.push_back(__conv);
+   _M_string.swap(__tmp);
+   _M_sync(const_cast<char_type*>(_M_string.data()),
+    this->gptr() - this->eback(), this->pptr() - this->pbase());
+ }
+      else
+ *this->pptr() = __conv;
+      this->pbump(1);
+      return __c;
+    }
+
+  template <class _CharT, class _Traits, class _Alloc>
+    typename basic_stringbuf<_CharT, _Traits, _Alloc>::int_type
+    basic_stringbuf<_CharT, _Traits, _Alloc>::
+    underflow()
+    {
+      int_type __ret = traits_type::eof();
+      const bool __testin = this->_M_mode & ios_base::in;
+      if (__testin)
+ {
+
+   _M_update_egptr();
+
+   if (this->gptr() < this->egptr())
+     __ret = traits_type::to_int_type(*this->gptr());
+ }
+      return __ret;
+    }
+
+  template <class _CharT, class _Traits, class _Alloc>
+    typename basic_stringbuf<_CharT, _Traits, _Alloc>::pos_type
+    basic_stringbuf<_CharT, _Traits, _Alloc>::
+    seekoff(off_type __off, ios_base::seekdir __way, ios_base::openmode __mode)
+    {
+      pos_type __ret = pos_type(off_type(-1));
+      bool __testin = (ios_base::in & this->_M_mode & __mode) != 0;
+      bool __testout = (ios_base::out & this->_M_mode & __mode) != 0;
+      const bool __testboth = __testin && __testout && __way != ios_base::cur;
+      __testin &= !(__mode & ios_base::out);
+      __testout &= !(__mode & ios_base::in);
+
+
+
+      const char_type* __beg = __testin ? this->eback() : this->pbase();
+      if ((__beg || !__off) && (__testin || __testout || __testboth))
+ {
+   _M_update_egptr();
+
+   off_type __newoffi = __off;
+   off_type __newoffo = __newoffi;
+   if (__way == ios_base::cur)
+     {
+       __newoffi += this->gptr() - __beg;
+       __newoffo += this->pptr() - __beg;
+     }
+   else if (__way == ios_base::end)
+     __newoffo = __newoffi += this->egptr() - __beg;
+
+   if ((__testin || __testboth)
+       && __newoffi >= 0
+       && this->egptr() - __beg >= __newoffi)
+     {
+       this->setg(this->eback(), this->eback() + __newoffi,
+    this->egptr());
+       __ret = pos_type(__newoffi);
+     }
+   if ((__testout || __testboth)
+       && __newoffo >= 0
+       && this->egptr() - __beg >= __newoffo)
+     {
+       _M_pbump(this->pbase(), this->epptr(), __newoffo);
+       __ret = pos_type(__newoffo);
+     }
+ }
+      return __ret;
+    }
+
+  template <class _CharT, class _Traits, class _Alloc>
+    typename basic_stringbuf<_CharT, _Traits, _Alloc>::pos_type
+    basic_stringbuf<_CharT, _Traits, _Alloc>::
+    seekpos(pos_type __sp, ios_base::openmode __mode)
+    {
+      pos_type __ret = pos_type(off_type(-1));
+      const bool __testin = (ios_base::in & this->_M_mode & __mode) != 0;
+      const bool __testout = (ios_base::out & this->_M_mode & __mode) != 0;
+
+      const char_type* __beg = __testin ? this->eback() : this->pbase();
+      if ((__beg || !off_type(__sp)) && (__testin || __testout))
+ {
+   _M_update_egptr();
+
+   const off_type __pos(__sp);
+   const bool __testpos = (0 <= __pos
+      && __pos <= this->egptr() - __beg);
+   if (__testpos)
+     {
+       if (__testin)
+  this->setg(this->eback(), this->eback() + __pos,
+      this->egptr());
+       if (__testout)
+  _M_pbump(this->pbase(), this->epptr(), __pos);
+       __ret = __sp;
+     }
+ }
+      return __ret;
+    }
+
+  template <class _CharT, class _Traits, class _Alloc>
+    void
+    basic_stringbuf<_CharT, _Traits, _Alloc>::
+    _M_sync(char_type* __base, __size_type __i, __size_type __o)
+    {
+      const bool __testin = _M_mode & ios_base::in;
+      const bool __testout = _M_mode & ios_base::out;
+      char_type* __endg = __base + _M_string.size();
+      char_type* __endp = __base + _M_string.capacity();
+
+      if (__base != _M_string.data())
+ {
+
+   __endg += __i;
+   __i = 0;
+   __endp = __endg;
+ }
+
+      if (__testin)
+ this->setg(__base, __base + __i, __endg);
+      if (__testout)
+ {
+   _M_pbump(__base, __endp, __o);
+
+
+
+   if (!__testin)
+     this->setg(__endg, __endg, __endg);
+ }
+    }
+
+  template <class _CharT, class _Traits, class _Alloc>
+    void
+    basic_stringbuf<_CharT, _Traits, _Alloc>::
+    _M_pbump(char_type* __pbeg, char_type* __pend, off_type __off)
+    {
+      this->setp(__pbeg, __pend);
+      while (__off > __gnu_cxx::__numeric_traits<int>::__max)
+ {
+   this->pbump(__gnu_cxx::__numeric_traits<int>::__max);
+   __off -= __gnu_cxx::__numeric_traits<int>::__max;
+ }
+      this->pbump(__off);
+    }
+
+
+
+
+  extern template class basic_stringbuf<char>;
+  extern template class basic_istringstream<char>;
+  extern template class basic_ostringstream<char>;
+  extern template class basic_stringstream<char>;
+
+
+  extern template class basic_stringbuf<wchar_t>;
+  extern template class basic_istringstream<wchar_t>;
+  extern template class basic_ostringstream<wchar_t>;
+  extern template class basic_stringstream<wchar_t>;
+
+
+
+
+}
+# 814 "/aux/hubicka/trunk-install/include/c++/6.0.0/sstream" 2 3
+# 3 "t.C" 2
+
+
+# 4 "t.C"
+int main()
+{
+  std::basic_ostringstream<char> ostr;
+  std::ostreambuf_iterator<char> iter(ostr.rdbuf());
+  *iter++ = 'X';
+
+
+  std::cout << ostr.str() << '\n';
+  return 0;
+}