2010-06-07 Paolo Carlini <paolo.carlini@oracle.com>

	* include/ext/pb_ds/detail/trie_policy/order_statistics_imp.hpp:
	Avoid -Wall warnings.
	* testsuite/27_io/ios_base/failure/what-3.cc: Likewise.
	* testsuite/27_io/basic_ostringstream/str/wchar_t/1.cc: Likewise.
	* testsuite/27_io/basic_ostringstream/str/char/1.cc: Likewise.
	* testsuite/27_io/basic_stringbuf/sputbackc/wchar_t/1.cc: Likewise.
	* testsuite/27_io/basic_stringbuf/sputbackc/char/1.cc: Likewise.
	* testsuite/27_io/basic_stringbuf/sgetn/wchar_t/1.cc: Likewise.
	* testsuite/27_io/basic_stringbuf/sgetn/char/1.cc: Likewise.
	* testsuite/27_io/basic_stringbuf/seekoff/wchar_t/1.cc: Likewise.
	* testsuite/27_io/basic_stringbuf/seekoff/char/1.cc: Likewise.
	* testsuite/27_io/basic_stringbuf/sbumpc/wchar_t/1.cc: Likewise.
	* testsuite/27_io/basic_stringbuf/sbumpc/char/1.cc: Likewise.
	* testsuite/27_io/basic_stringbuf/snextc/wchar_t/1.cc: Likewise.
	* testsuite/27_io/basic_stringbuf/snextc/char/1.cc: Likewise.
	* testsuite/27_io/basic_stringbuf/sgetc/wchar_t/1.cc: Likewise.
	* testsuite/27_io/basic_stringbuf/sgetc/char/1.cc: Likewise.
	* testsuite/27_io/basic_stringbuf/sungetc/wchar_t/1.cc: Likewise.
	* testsuite/27_io/basic_stringbuf/sungetc/char/1.cc: Likewise.
	* testsuite/27_io/basic_stringbuf/seekpos/wchar_t/1.cc: Likewise.
	* testsuite/27_io/basic_stringbuf/seekpos/char/1.cc: Likewise.
	* testsuite/27_io/types/2.cc: Likewise.
	* testsuite/27_io/basic_istream/ignore/wchar_t/1.cc: Likewise.
	* testsuite/27_io/basic_istream/ignore/char/1.cc: Likewise.
	* testsuite/27_io/basic_istream/peek/wchar_t/1.cc: Likewise.
	* testsuite/27_io/basic_istream/peek/char/1.cc: Likewise.
	* testsuite/27_io/basic_istream/ws/wchar_t/1.cc: Likewise.
	* testsuite/27_io/basic_istream/ws/char/1.cc: Likewise.
	* testsuite/27_io/basic_istream/seekg/wchar_t/8348-2.cc: Likewise.
	* testsuite/27_io/basic_istream/seekg/char/8348-2.cc: Likewise.
	* testsuite/27_io/basic_istream/tellg/wchar_t/8348.cc: Likewise.
	* testsuite/27_io/basic_istream/tellg/char/8348.cc: Likewise.
	* testsuite/27_io/basic_istream/extractors_arithmetic/
	wchar_t/01.cc: Likewise.
	* testsuite/27_io/basic_istream/extractors_arithmetic/char/
	01.cc: Likewise.
	* testsuite/27_io/fpos/mbstate_t/4_neg.cc: Likewise.
	* testsuite/27_io/fpos/mbstate_t/2.cc: Likewise.
	* testsuite/27_io/fpos/mbstate_t/3.cc: Likewise.
	* testsuite/27_io/fpos/mbstate_t/5.cc: Likewise.
	* testsuite/27_io/basic_ostream/inserters_character/wchar_t/
	4.cc: Likewise.
	* testsuite/27_io/basic_ostream/inserters_character/char/
	4.cc: Likewise.
	* testsuite/27_io/basic_filebuf/sgetn/char/2-out.cc: Likewise.
	* testsuite/27_io/basic_filebuf/seekoff/12790-4.cc: Likewise.
	* testsuite/27_io/basic_filebuf/seekoff/char/1-in.cc: Likewise.
	* testsuite/27_io/basic_filebuf/seekoff/char/2-in.cc: Likewise.
	* testsuite/27_io/basic_filebuf/seekoff/char/1-out.cc: Likewise.
	* testsuite/27_io/basic_filebuf/seekoff/char/1-io.cc: Likewise.
	* testsuite/27_io/basic_filebuf/seekoff/char/2-out.cc: Likewise.
	* testsuite/27_io/basic_filebuf/seekoff/char/2-io.cc: Likewise.
	* testsuite/27_io/basic_filebuf/sungetc/char/1-io.cc: Likewise.
	* testsuite/27_io/basic_filebuf/sungetc/char/2-io.cc: Likewise.
	* testsuite/25_algorithms/minmax/3.cc: Likewise.
	* testsuite/19_diagnostics/logic_error/what-3.cc: Likewise.
	* testsuite/19_diagnostics/runtime_error/what-3.cc: Likewise.
	* testsuite/19_diagnostics/system_error/what-3.cc: Likewise.
	* testsuite/24_iterators/front_insert_iterator/2.cc: Likewise.
	* testsuite/24_iterators/back_insert_iterator/2.cc: Likewise.
	* testsuite/24_iterators/insert_iterator/2.cc: Likewise.
	* testsuite/18_support/exception_ptr/make_exception_ptr.cc: Likewise.
	* testsuite/21_strings/c_strings/wchar_t/1.cc: Likewise.
	* testsuite/21_strings/c_strings/wchar_t/2.cc: Likewise.
	* testsuite/21_strings/c_strings/char/1.cc: Likewise.
	* testsuite/21_strings/c_strings/char/2.cc: Likewise.
	* testsuite/26_numerics/random/independent_bits_engine/cons/
	copy.cc: Likewise.
	* testsuite/26_numerics/random/subtract_with_carry_engine/
	cons/copy.cc: Likewise.
	* testsuite/26_numerics/random/subtract_with_carry_engine/
	requirements/constants.cc: Likewise.
	* testsuite/26_numerics/random/discard_block_engine/
	cons/copy.cc: Likewise.
	* testsuite/26_numerics/random/mersenne_twister_engine/
	cons/copy.cc: Likewise.
	* testsuite/26_numerics/random/mersenne_twister_engine/
	requirements/constants.cc: Likewise.
	* testsuite/26_numerics/random/linear_congruential_engine/
	cons/copy.cc: Likewise.
	* testsuite/26_numerics/random/linear_congruential_engine/
	requirements/constants.cc: Likewise.
	* testsuite/26_numerics/random/shuffle_order_engine/
	cons/copy.cc: Likewise.
	* testsuite/26_numerics/random/shuffle_order_engine/
	requirements/constants.cc: Likewise.
	* testsuite/26_numerics/complex/complex_value.cc: Likewise.
	* testsuite/26_numerics/headers/cmath/overloads.cc: Likewise.
	* testsuite/26_numerics/headers/cmath/
	c99_classification_macros_c++.cc: Likewise.
	* testsuite/26_numerics/slice_array/array_assignment.cc: Likewise.
	* testsuite/22_locale/money_put/put/wchar_t/1.cc: Likewise.
	* testsuite/22_locale/money_put/put/wchar_t/2.cc: Likewise.
	* testsuite/22_locale/money_put/put/wchar_t/3.cc: Likewise.
	* testsuite/22_locale/money_put/put/wchar_t/12971.cc: Likewise.
	* testsuite/22_locale/money_put/put/char/1.cc: Likewise.
	* testsuite/22_locale/money_put/put/char/2.cc: Likewise.
	* testsuite/22_locale/money_put/put/char/3.cc: Likewise.
	* testsuite/22_locale/money_put/put/char/12971.cc: Likewise.
	* testsuite/22_locale/time_put/put/wchar_t/1.cc: Likewise.
	* testsuite/22_locale/time_put/put/wchar_t/2.cc: Likewise.
	* testsuite/22_locale/time_put/put/wchar_t/3.cc: Likewise.
	* testsuite/22_locale/time_put/put/wchar_t/4.cc: Likewise.
	* testsuite/22_locale/time_put/put/wchar_t/5.cc: Likewise.
	* testsuite/22_locale/time_put/put/wchar_t/6.cc: Likewise.
	* testsuite/22_locale/time_put/put/wchar_t/7.cc: Likewise.
	* testsuite/22_locale/time_put/put/wchar_t/8.cc: Likewise.
	* testsuite/22_locale/time_put/put/wchar_t/17038.cc: Likewise.
	* testsuite/22_locale/time_put/put/char/1.cc: Likewise.
	* testsuite/22_locale/time_put/put/char/2.cc: Likewise.
	* testsuite/22_locale/time_put/put/char/3.cc: Likewise.
	* testsuite/22_locale/time_put/put/char/4.cc: Likewise.
	* testsuite/22_locale/time_put/put/char/5.cc: Likewise.
	* testsuite/22_locale/time_put/put/char/6.cc: Likewise.
	* testsuite/22_locale/time_put/put/char/7.cc: Likewise.
	* testsuite/22_locale/time_put/put/char/8.cc: Likewise.
	* testsuite/22_locale/time_put/put/char/17038.cc: Likewise.
	* testsuite/22_locale/num_put/put/wchar_t/1.cc: Likewise.
	* testsuite/22_locale/num_put/put/char/1.cc: Likewise.
	* testsuite/22_locale/time_get/get_year/wchar_t/5.cc: Likewise.
	* testsuite/22_locale/time_get/get_year/char/5.cc: Likewise.
	* testsuite/22_locale/time_get/get_monthname/wchar_t/5.cc: Likewise.
	* testsuite/22_locale/time_get/get_monthname/char/5.cc: Likewise.
	* testsuite/22_locale/time_get/get_weekday/wchar_t/5.cc: Likewise.
	* testsuite/22_locale/time_get/get_weekday/char/5.cc: Likewise.
	* testsuite/22_locale/time_get/get_date/wchar_t/5.cc: Likewise.
	* testsuite/22_locale/time_get/get_date/char/5.cc: Likewise.
	* testsuite/22_locale/time_get/get_time/wchar_t/5.cc: Likewise.
	* testsuite/22_locale/time_get/get_time/char/5.cc: Likewise.
	* testsuite/22_locale/num_get/get/wchar_t/1.cc: Likewise.
	* testsuite/22_locale/num_get/get/char/1.cc: Likewise.
	* testsuite/22_locale/moneypunct/members/wchar_t/1.cc: Likewise.
	* testsuite/22_locale/moneypunct/members/char/1.cc: Likewise.
	* testsuite/22_locale/ctype_base/mask.cc: Likewise.
	* testsuite/tr1/5_numerical_facilities/random/
	subtract_with_carry/requirements/constants.cc: Likewise.
	* testsuite/tr1/5_numerical_facilities/random/
	subtract_with_carry_01/requirements/constants.cc: Likewise.
	* testsuite/tr1/5_numerical_facilities/random/
	discard_block/requirements/constants.cc: Likewise.
	* testsuite/tr1/5_numerical_facilities/random/
	linear_congruential/requirements/constants.cc: Likewise.
	* testsuite/tr1/5_numerical_facilities/random/
	mersenne_twister/requirements/constants.cc: Likewise.
	* testsuite/tr1/5_numerical_facilities/random/
	xor_combine/requirements/constants.cc: Likewise.
	* testsuite/tr1/8_c_compatibility/cfenv/functions.cc: Likewise.
	* testsuite/tr1/8_c_compatibility/cinttypes/functions.cc: Likewise.
	* testsuite/tr1/8_c_compatibility/cstdlib/functions.cc: Likewise.
	* testsuite/tr1/8_c_compatibility/cstdio/functions.cc: Likewise.
	* testsuite/tr1/8_c_compatibility/cctype/functions.cc: Likewise.
	* testsuite/tr1/8_c_compatibility/cwchar/functions.cc: Likewise.
	* testsuite/tr1/8_c_compatibility/cmath/templates.cc: Likewise.
	* testsuite/tr1/8_c_compatibility/cmath/functions.cc: Likewise.
	* testsuite/tr1/8_c_compatibility/cwctype/functions.cc: Likewise.
	* testsuite/tr1/6_containers/utility/pair.cc: Likewise.
	* testsuite/29_atomics/atomic_address/cons/aggregate.cc: Likewise.
	* testsuite/29_atomics/atomic_integral/cons/assign_neg.cc: Likewise.
	* testsuite/29_atomics/atomic_integral/cons/copy_neg.cc: Likewise.
	* testsuite/29_atomics/atomic_integral/operators/
	increment_neg.cc: Likewise.
	* testsuite/29_atomics/atomic_integral/operators/
	bitwise_neg.cc: Likewise.
	* testsuite/29_atomics/atomic_integral/operators/
	decrement_neg.cc: Likewise.
	* testsuite/29_atomics/atomic_flag/cons/1.cc: Likewise.
	* testsuite/29_atomics/atomic/cons/assign_neg.cc: Likewise.
	* testsuite/29_atomics/atomic/cons/copy_neg.cc: Likewise.
	* testsuite/23_containers/priority_queue/members/7161.cc
	* testsuite/23_containers/set/dr130.cc: Likewise.
	* testsuite/23_containers/list/pthread5.cc: Likewise.
	* testsuite/23_containers/map/dr130.cc: Likewise.
	* testsuite/util/exception/safety.h: Likewise.
	* testsuite/util/testsuite_common_types.h: Likewise.
	* testsuite/20_util/clocks/1.cc: Likewise.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@160416 138bc75d-0d04-0410-961f-82ee72b054a4

16 files changed, 63 insertions, 18 deletions

diff --git a/libstdc++-v3/testsuite/tr1/5_numerical_facilities/random/discard_block/requirements/constants.cc b/libstdc++-v3/testsuite/tr1/5_numerical_facilities/random/discard_block/requirements/constants.cc
index 2c43732041c..be04a2c9060 100644
--- a/libstdc++-v3/testsuite/tr1/5_numerical_facilities/random/discard_block/requirements/constants.cc
+++ b/libstdc++-v3/testsuite/tr1/5_numerical_facilities/random/discard_block/requirements/constants.cc
@@ -2,7 +2,7 @@
 //
 // 2009-09-29  Paolo Carlini <paolo.carlini@oracle.com>
 //
-// Copyright (C) 2009 Free Software Foundation, Inc.
+// Copyright (C) 2009, 2010 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
@@ -27,6 +27,7 @@ void test01()
 
   const void* p = &db.block_size;
   p = &db.used_block;
+  p = p; // Suppress unused warning.
 }
 
 int main()
diff --git a/libstdc++-v3/testsuite/tr1/5_numerical_facilities/random/linear_congruential/requirements/constants.cc b/libstdc++-v3/testsuite/tr1/5_numerical_facilities/random/linear_congruential/requirements/constants.cc
index c38254f13d4..bdc366ea725 100644
--- a/libstdc++-v3/testsuite/tr1/5_numerical_facilities/random/linear_congruential/requirements/constants.cc
+++ b/libstdc++-v3/testsuite/tr1/5_numerical_facilities/random/linear_congruential/requirements/constants.cc
@@ -2,7 +2,7 @@
 //
 // 2009-09-29  Paolo Carlini <paolo.carlini@oracle.com>
 //
-// Copyright (C) 2009 Free Software Foundation, Inc.
+// Copyright (C) 2009, 2010 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
@@ -28,6 +28,7 @@ void test01()
   const void* p = &lc.multiplier;
   p = &lc.increment;
   p = &lc.modulus;
+  p = p; // Suppress unused warning.
 }
 
 int main()
diff --git a/libstdc++-v3/testsuite/tr1/5_numerical_facilities/random/mersenne_twister/requirements/constants.cc b/libstdc++-v3/testsuite/tr1/5_numerical_facilities/random/mersenne_twister/requirements/constants.cc
index 9ebddd8c6d0..52fd3a50ba2 100644
--- a/libstdc++-v3/testsuite/tr1/5_numerical_facilities/random/mersenne_twister/requirements/constants.cc
+++ b/libstdc++-v3/testsuite/tr1/5_numerical_facilities/random/mersenne_twister/requirements/constants.cc
@@ -2,7 +2,7 @@
 //
 // 2009-09-29  Paolo Carlini <paolo.carlini@oracle.com>
 //
-// Copyright (C) 2009 Free Software Foundation, Inc.
+// Copyright (C) 2009, 2010 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
@@ -36,6 +36,7 @@ void test01()
   p = &mt.output_t;
   p = &mt.output_c;
   p = &mt.output_l;
+  p = p; // Suppress unused warning.
 }
 
 int main()
diff --git a/libstdc++-v3/testsuite/tr1/5_numerical_facilities/random/subtract_with_carry/requirements/constants.cc b/libstdc++-v3/testsuite/tr1/5_numerical_facilities/random/subtract_with_carry/requirements/constants.cc
index c68002d2766..a34938ee0e0 100644
--- a/libstdc++-v3/testsuite/tr1/5_numerical_facilities/random/subtract_with_carry/requirements/constants.cc
+++ b/libstdc++-v3/testsuite/tr1/5_numerical_facilities/random/subtract_with_carry/requirements/constants.cc
@@ -2,7 +2,7 @@
 //
 // 2009-09-29  Paolo Carlini <paolo.carlini@oracle.com>
 //
-// Copyright (C) 2009 Free Software Foundation, Inc.
+// Copyright (C) 2009, 2010 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
@@ -28,6 +28,7 @@ void test01()
   const void* p = &swc.modulus;
   p = &swc.long_lag;
   p = &swc.short_lag;
+  p = p; // Suppress unused warning.
 }
 
 int main()
diff --git a/libstdc++-v3/testsuite/tr1/5_numerical_facilities/random/subtract_with_carry_01/requirements/constants.cc b/libstdc++-v3/testsuite/tr1/5_numerical_facilities/random/subtract_with_carry_01/requirements/constants.cc
index c1715264d3a..a0a360d730b 100644
--- a/libstdc++-v3/testsuite/tr1/5_numerical_facilities/random/subtract_with_carry_01/requirements/constants.cc
+++ b/libstdc++-v3/testsuite/tr1/5_numerical_facilities/random/subtract_with_carry_01/requirements/constants.cc
@@ -2,7 +2,7 @@
 //
 // 2009-09-29  Paolo Carlini <paolo.carlini@oracle.com>
 //
-// Copyright (C) 2009 Free Software Foundation, Inc.
+// Copyright (C) 2009, 2010 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
@@ -28,6 +28,7 @@ void test01()
   const void* p = &swc_01.word_size;
   p = &swc_01.long_lag;
   p = &swc_01.short_lag;
+  p = p; // Suppress unused warning.
 }
 
 int main()
diff --git a/libstdc++-v3/testsuite/tr1/5_numerical_facilities/random/xor_combine/requirements/constants.cc b/libstdc++-v3/testsuite/tr1/5_numerical_facilities/random/xor_combine/requirements/constants.cc
index 0318b0d5e18..3fbd55247ac 100644
--- a/libstdc++-v3/testsuite/tr1/5_numerical_facilities/random/xor_combine/requirements/constants.cc
+++ b/libstdc++-v3/testsuite/tr1/5_numerical_facilities/random/xor_combine/requirements/constants.cc
@@ -2,7 +2,7 @@
 //
 // 2009-09-29  Paolo Carlini <paolo.carlini@oracle.com>
 //
-// Copyright (C) 2009 Free Software Foundation, Inc.
+// Copyright (C) 2009, 2010 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
@@ -28,6 +28,7 @@ void test01()
 
   const void* p = &xor_c.shift1;
   p = &xor_c.shift2;
+  p = p; // Suppress unused warning.
 }
 
 int main()
diff --git a/libstdc++-v3/testsuite/tr1/6_containers/utility/pair.cc b/libstdc++-v3/testsuite/tr1/6_containers/utility/pair.cc
index 20e6bc06ea7..3189e7f81aa 100644
--- a/libstdc++-v3/testsuite/tr1/6_containers/utility/pair.cc
+++ b/libstdc++-v3/testsuite/tr1/6_containers/utility/pair.cc
@@ -1,6 +1,6 @@
 // 2004-09-23 Chris Jefferson <chris@bubblescope.net>
 
-// Copyright (C) 2004, 2009 Free Software Foundation, Inc.
+// Copyright (C) 2004, 2009, 2010 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
@@ -36,8 +36,10 @@ main()
   VERIFY(tuple_size<test_pair_type>::value == 2);
   // Test if tuple_element::type returns the correct type
   blank_class blank;
-  tuple_element<0, pair<blank_class, int> >::type blank2 = blank;
-  tuple_element<1, pair<int ,blank_class> >::type blank3 = blank;
+  tuple_element<0, pair<blank_class, int> >::type
+    blank2 __attribute__((unused)) = blank;
+  tuple_element<1, pair<int ,blank_class> >::type
+    blank3 __attribute__((unused)) = blank;
   pair<int,int> test_pair(1, 2);
   VERIFY(get<0>(test_pair) == 1);
   VERIFY(get<1>(test_pair) == 2);
diff --git a/libstdc++-v3/testsuite/tr1/8_c_compatibility/cctype/functions.cc b/libstdc++-v3/testsuite/tr1/8_c_compatibility/cctype/functions.cc
index 4b6a7dfd332..862b0419f50 100644
--- a/libstdc++-v3/testsuite/tr1/8_c_compatibility/cctype/functions.cc
+++ b/libstdc++-v3/testsuite/tr1/8_c_compatibility/cctype/functions.cc
@@ -2,7 +2,7 @@
 
 // 2006-01-25  Paolo Carlini  <pcarlini@suse.de>
 //
-// Copyright (C) 2006, 2009 Free Software Foundation, Inc.
+// Copyright (C) 2006, 2009, 2010 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
@@ -29,6 +29,7 @@ void test01()
 
   int ch = 0, ret;
   ret = std::tr1::isblank(ch);
+  ret = ret; // Suppress unused warning.
 
 #endif
 }
diff --git a/libstdc++-v3/testsuite/tr1/8_c_compatibility/cfenv/functions.cc b/libstdc++-v3/testsuite/tr1/8_c_compatibility/cfenv/functions.cc
index 765df19388e..5bffa0ef332 100644
--- a/libstdc++-v3/testsuite/tr1/8_c_compatibility/cfenv/functions.cc
+++ b/libstdc++-v3/testsuite/tr1/8_c_compatibility/cfenv/functions.cc
@@ -2,7 +2,7 @@
 
 // 2006-01-26  Paolo Carlini  <pcarlini@suse.de>
 //
-// Copyright (C) 2006, 2009 Free Software Foundation, Inc.
+// Copyright (C) 2006, 2009, 2010 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
@@ -46,6 +46,7 @@ void test01()
   ret = std::tr1::feholdexcept(penv);
   ret = std::tr1::fesetenv(penv);
   ret = std::tr1::feupdateenv(penv);
+  ret = ret; // Suppress unused warning.
 
 #endif
 }
diff --git a/libstdc++-v3/testsuite/tr1/8_c_compatibility/cinttypes/functions.cc b/libstdc++-v3/testsuite/tr1/8_c_compatibility/cinttypes/functions.cc
index 7afe3b82b3a..30c7b789f4a 100644
--- a/libstdc++-v3/testsuite/tr1/8_c_compatibility/cinttypes/functions.cc
+++ b/libstdc++-v3/testsuite/tr1/8_c_compatibility/cinttypes/functions.cc
@@ -2,7 +2,7 @@
 
 // 2006-01-30  Paolo Carlini  <pcarlini@suse.de>
 //
-// Copyright (C) 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
+// Copyright (C) 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
@@ -53,5 +53,9 @@ void test01()
   uret = std::tr1::wcstoumax(ws, wendptr, base);
 #endif
 
+  ret = ret; // Suppress unused warnings.
+  dret = dret;
+  uret = uret;
+
 #endif
 }
diff --git a/libstdc++-v3/testsuite/tr1/8_c_compatibility/cmath/functions.cc b/libstdc++-v3/testsuite/tr1/8_c_compatibility/cmath/functions.cc
index 020c273d55b..ae31a48ecf6 100644
--- a/libstdc++-v3/testsuite/tr1/8_c_compatibility/cmath/functions.cc
+++ b/libstdc++-v3/testsuite/tr1/8_c_compatibility/cmath/functions.cc
@@ -2,7 +2,7 @@
 
 // 2006-02-07  Paolo Carlini  <pcarlini@suse.de>
 //
-// Copyright (C) 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
+// Copyright (C) 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
@@ -181,6 +181,13 @@ void test01()
   ret = std::tr1::trunc(d0);
   fret = std::tr1::truncf(f0);
   ldret = std::tr1::truncl(ld0);
+
+  ret = ret; // Suppress unused warnings.
+  iret = iret;
+  lret = lret;
+  llret = llret;
+  fret = fret;
+  ldret = ldret;
   
 #endif
 }
diff --git a/libstdc++-v3/testsuite/tr1/8_c_compatibility/cmath/templates.cc b/libstdc++-v3/testsuite/tr1/8_c_compatibility/cmath/templates.cc
index 35f8869c912..cbf8c9592eb 100644
--- a/libstdc++-v3/testsuite/tr1/8_c_compatibility/cmath/templates.cc
+++ b/libstdc++-v3/testsuite/tr1/8_c_compatibility/cmath/templates.cc
@@ -2,7 +2,7 @@
 
 // 2006-02-26  Paolo Carlini  <pcarlini@suse.de>
 //
-// Copyright (C) 2006, 2009 Free Software Foundation, Inc.
+// Copyright (C) 2006, 2009, 2010 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
@@ -37,6 +37,7 @@ template<typename T>
     ret = std::tr1::signbit(x);
     
     iret = std::tr1::fpclassify(x);
+    iret = iret; // Suppress unused warning.
     
     ret = std::tr1::isfinite(x);
     ret = std::tr1::isinf(x);
@@ -49,6 +50,7 @@ template<typename T>
     ret = std::tr1::islessequal(x, x);
     ret = std::tr1::islessgreater(x, x);
     ret = std::tr1::isunordered(x, x);
+    ret = ret; // Suppress unused warning.
   }
 
 void test01()
diff --git a/libstdc++-v3/testsuite/tr1/8_c_compatibility/cstdio/functions.cc b/libstdc++-v3/testsuite/tr1/8_c_compatibility/cstdio/functions.cc
index 426083ecb74..33890252201 100644
--- a/libstdc++-v3/testsuite/tr1/8_c_compatibility/cstdio/functions.cc
+++ b/libstdc++-v3/testsuite/tr1/8_c_compatibility/cstdio/functions.cc
@@ -2,7 +2,7 @@
 
 // 2006-02-05  Paolo Carlini  <pcarlini@suse.de>
 //
-// Copyright (C) 2006, 2009 Free Software Foundation, Inc.
+// Copyright (C) 2006, 2009, 2010 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
@@ -46,6 +46,7 @@ void test01(int dummy, ...)
   ret = std::tr1::vfscanf(stream, format, ap); 
   ret = std::tr1::vscanf(format, ap);
   ret = std::tr1::vsscanf(cs, format, ap);
+  ret = ret; // Suppress unused warning.
   
 #endif
 }
diff --git a/libstdc++-v3/testsuite/tr1/8_c_compatibility/cstdlib/functions.cc b/libstdc++-v3/testsuite/tr1/8_c_compatibility/cstdlib/functions.cc
index 542f42990e3..f9b88dca9c7 100644
--- a/libstdc++-v3/testsuite/tr1/8_c_compatibility/cstdlib/functions.cc
+++ b/libstdc++-v3/testsuite/tr1/8_c_compatibility/cstdlib/functions.cc
@@ -2,7 +2,7 @@
 
 // 2006-02-07  Paolo Carlini  <pcarlini@suse.de>
 //
-// Copyright (C) 2006, 2009 Free Software Foundation, Inc.
+// Copyright (C) 2006, 2009, 2010 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
@@ -55,8 +55,16 @@ void test01()
   ldret = std::tr1::strtold(s, endptr);
 
   ret = std::tr1::abs(i);
+
+  ret = ret; // Suppress unused warning.
+  uret = uret;
+  fret = fret;
+  ldret = ldret;
+
 #if !_GLIBCXX_USE_C99_LONG_LONG_DYNAMIC
   dret = std::tr1::div(numer, denom);
+
+  dret = dret;
 #endif
 
 #endif
diff --git a/libstdc++-v3/testsuite/tr1/8_c_compatibility/cwchar/functions.cc b/libstdc++-v3/testsuite/tr1/8_c_compatibility/cwchar/functions.cc
index 2a572204529..0320c9a5a66 100644
--- a/libstdc++-v3/testsuite/tr1/8_c_compatibility/cwchar/functions.cc
+++ b/libstdc++-v3/testsuite/tr1/8_c_compatibility/cwchar/functions.cc
@@ -2,7 +2,7 @@
 
 // 2006-02-03  Paolo Carlini  <pcarlini@suse.de>
 //
-// Copyright (C) 2006, 2009 Free Software Foundation, Inc.
+// Copyright (C) 2006, 2009, 2010 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
@@ -37,6 +37,8 @@ void test01(int dummy, ...)
   wchar_t** endptr1 = 0;
   float fret;
   fret = std::tr1::wcstof(nptr1, endptr1);
+
+  fret = fret; // Suppress unused warning.
 #endif
 
 #if _GLIBCXX_HAVE_VFWSCANF
@@ -44,6 +46,8 @@ void test01(int dummy, ...)
   const wchar_t* format1 = 0;
   int ret1;
   ret1 = std::tr1::vfwscanf(stream, format1, arg);
+
+  ret1 = ret1; // Suppress unused warning.
 #endif
 
 #if _GLIBCXX_HAVE_VSWSCANF
@@ -51,12 +55,16 @@ void test01(int dummy, ...)
   const wchar_t* format2 = 0;
   int ret2;
   ret2 = std::tr1::vswscanf(s, format2, arg);
+
+  ret2 = ret2; // Suppress unused warning.
 #endif
 
 #if _GLIBCXX_HAVE_VWSCANF
   const wchar_t* format3 = 0;
   int ret3;
   ret3 = std::tr1::vwscanf(format3, arg);
+
+  ret3 = ret3; // Suppress unused warning.
 #endif
 
 #if _GLIBCXX_USE_C99
@@ -72,6 +80,10 @@ void test01(int dummy, ...)
   llret = std::tr1::wcstoll(nptr2, endptr2, base);
   ullret = std::tr1::wcstoull(nptr2, endptr2, base);
 
+  ldret = ldret; // Suppress unused warnings.
+  llret = llret;
+  ullret = ullret;
+
 #endif
 }
 
diff --git a/libstdc++-v3/testsuite/tr1/8_c_compatibility/cwctype/functions.cc b/libstdc++-v3/testsuite/tr1/8_c_compatibility/cwctype/functions.cc
index 9eff2088018..031b3ac160a 100644
--- a/libstdc++-v3/testsuite/tr1/8_c_compatibility/cwctype/functions.cc
+++ b/libstdc++-v3/testsuite/tr1/8_c_compatibility/cwctype/functions.cc
@@ -2,7 +2,7 @@
 
 // 2006-02-03  Paolo Carlini  <pcarlini@suse.de>
 //
-// Copyright (C) 2006, 2009 Free Software Foundation, Inc.
+// Copyright (C) 2006, 2009, 2010 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
@@ -32,6 +32,7 @@ void test01()
   std::wint_t ch = 0;
   int ret;
   ret = std::tr1::iswblank(ch);
+  ret = ret; // Suppress unused warning.
 
 #endif
 }