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-rw-r--r--libstdc++-v3/ChangeLog19
-rw-r--r--libstdc++-v3/include/bits/algorithmfwd.h5
-rw-r--r--libstdc++-v3/include/bits/stl_algo.h47
-rw-r--r--libstdc++-v3/include/bits/stl_uninitialized.h49
-rw-r--r--libstdc++-v3/testsuite/20_util/specialized_algorithms/uninitialized_copy_n/move_iterators/1.cc68
-rw-r--r--libstdc++-v3/testsuite/25_algorithms/copy_n/1.cc54
-rw-r--r--libstdc++-v3/testsuite/25_algorithms/copy_n/2.cc55
-rw-r--r--libstdc++-v3/testsuite/25_algorithms/copy_n/3.cc56
-rw-r--r--libstdc++-v3/testsuite/25_algorithms/copy_n/4.cc56
-rw-r--r--libstdc++-v3/testsuite/25_algorithms/copy_n/move_iterators/1.cc67
-rw-r--r--libstdc++-v3/testsuite/25_algorithms/copy_n/requirements/explicit_instantiation/2.cc45
-rw-r--r--libstdc++-v3/testsuite/25_algorithms/copy_n/requirements/explicit_instantiation/pod.cc45
-rw-r--r--libstdc++-v3/testsuite/25_algorithms/headers/algorithm/synopsis.cc4
13 files changed, 569 insertions, 1 deletions
diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index c8c6af9cc68..efb05eadf49 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,22 @@
+2008-06-29 Paolo Carlini <paolo.carlini@oracle.com>
+
+ * include/bits/stl_algo.h (copy_n): Add in C++0x mode.
+ * include/bits/algorithmfwd.h: Add.
+ * include/bits/stl_uninitialized.h (uninitialized_copy_n): Add
+ in C++0x mode.
+ * testsuite/20_util/specialized_algorithms/uninitialized_copy_n/
+ move_iterators/1.cc: New
+ * testsuite/25_algorithms/headers/algorithm/synopsis.cc: Update.
+ * testsuite/25_algorithms/copy_n/1.cc: New.
+ * testsuite/25_algorithms/copy_n/2.cc: Likewise.
+ * testsuite/25_algorithms/copy_n/3.cc: Likewise.
+ * testsuite/25_algorithms/copy_n/4.cc: Likewise.
+ * testsuite/25_algorithms/copy_n/move_iterators/1.cc: Likewise.
+ * testsuite/25_algorithms/copy_n/requirements/
+ explicit_instantiation/2.cc: Likewise.
+ * testsuite/25_algorithms/partition_point/requirements/
+ explicit_instantiation/pod.cc: Likewise.
+
2008-06-28 Paolo Carlini <paolo.carlini@oracle.com>
* include/bits/stl_algo.h (partition_point): Add in C++0x mode.
diff --git a/libstdc++-v3/include/bits/algorithmfwd.h b/libstdc++-v3/include/bits/algorithmfwd.h
index 23c4970dcf6..6fefe46b525 100644
--- a/libstdc++-v3/include/bits/algorithmfwd.h
+++ b/libstdc++-v3/include/bits/algorithmfwd.h
@@ -31,6 +31,7 @@
copy
copy_backward
copy_if (C++0x)
+ copy_n (C++0x)
count
count_if
equal
@@ -149,6 +150,10 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
template<typename _IIter, typename _OIter, typename _Predicate>
_OIter
copy_if(_IIter, _IIter, _OIter, _Predicate);
+
+ template<typename _IIter, typename _Size, typename _OIter>
+ _OIter
+ copy_n(_IIter, _Size, _OIter);
#endif
// count
diff --git a/libstdc++-v3/include/bits/stl_algo.h b/libstdc++-v3/include/bits/stl_algo.h
index 61f7003040f..40ce60b23ef 100644
--- a/libstdc++-v3/include/bits/stl_algo.h
+++ b/libstdc++-v3/include/bits/stl_algo.h
@@ -975,6 +975,53 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
return __result;
}
+
+ template<typename _InputIterator, typename _Size, typename _OutputIterator>
+ _OutputIterator
+ __copy_n(_InputIterator __first, _Size __n,
+ _OutputIterator __result, input_iterator_tag)
+ {
+ for (; __n > 0; --__n)
+ {
+ *__result = *__first;
+ ++__first;
+ ++__result;
+ }
+ return __result;
+ }
+
+ template<typename _RandomAccessIterator, typename _Size,
+ typename _OutputIterator>
+ inline _OutputIterator
+ __copy_n(_RandomAccessIterator __first, _Size __n,
+ _OutputIterator __result, random_access_iterator_tag)
+ { return std::copy(__first, __first + __n, __result); }
+
+ /**
+ * @brief Copies the range [first,first+n) into [result,result+n).
+ * @param first An input iterator.
+ * @param n The number of elements to copy.
+ * @param result An output iterator.
+ * @return result+n.
+ *
+ * This inline function will boil down to a call to @c memmove whenever
+ * possible. Failing that, if random access iterators are passed, then the
+ * loop count will be known (and therefore a candidate for compiler
+ * optimizations such as unrolling).
+ */
+ template<typename _InputIterator, typename _Size, typename _OutputIterator>
+ inline _OutputIterator
+ copy_n(_InputIterator __first, _Size __n, _OutputIterator __result)
+ {
+ // concept requirements
+ __glibcxx_function_requires(_InputIteratorConcept<_InputIterator>)
+ __glibcxx_function_requires(_OutputIteratorConcept<_OutputIterator,
+ typename iterator_traits<_InputIterator>::value_type>)
+
+ return std::__copy_n(__first, __n, __result,
+ std::__iterator_category(__first));
+ }
+
/**
* @brief Copy the elements of a sequence to separate output sequences
* depending on the truth value of a predicate.
diff --git a/libstdc++-v3/include/bits/stl_uninitialized.h b/libstdc++-v3/include/bits/stl_uninitialized.h
index 88dac3adcb0..af51264a249 100644
--- a/libstdc++-v3/include/bits/stl_uninitialized.h
+++ b/libstdc++-v3/include/bits/stl_uninitialized.h
@@ -1,6 +1,6 @@
// Raw memory manipulators -*- C++ -*-
-// Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007
+// Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008
// Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
@@ -431,6 +431,53 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
}
}
+#ifdef __GXX_EXPERIMENTAL_CXX0X__
+ template<typename _InputIterator, typename _Size,
+ typename _ForwardIterator>
+ _ForwardIterator
+ __uninitialized_copy_n(_InputIterator __first, _Size __n,
+ _ForwardIterator __result, input_iterator_tag)
+ {
+ _ForwardIterator __cur = __result;
+ try
+ {
+ for (; __n > 0; --__n, ++__first, ++__cur)
+ ::new(static_cast<void*>(&*__cur)) typename
+ iterator_traits<_ForwardIterator>::value_type(*__first);
+ return __cur;
+ }
+ catch(...)
+ {
+ std::_Destroy(__result, __cur);
+ __throw_exception_again;
+ }
+ }
+
+ template<typename _RandomAccessIterator, typename _Size,
+ typename _ForwardIterator>
+ inline _ForwardIterator
+ __uninitialized_copy_n(_RandomAccessIterator __first, _Size __n,
+ _ForwardIterator __result,
+ random_access_iterator_tag)
+ { return std::uninitialized_copy(__first, __first + __n, __result); }
+
+ /**
+ * @brief Copies the range [first,first+n) into result.
+ * @param first An input iterator.
+ * @param n The number of elements to copy.
+ * @param result An output iterator.
+ * @return result + n
+ *
+ * Like copy_n(), but does not require an initialized output range.
+ */
+ template<typename _InputIterator, typename _Size, typename _ForwardIterator>
+ inline _ForwardIterator
+ uninitialized_copy_n(_InputIterator __first, _Size __n,
+ _ForwardIterator __result)
+ { return std::__uninitialized_copy_n(__first, __n, __result,
+ std::__iterator_category(__first)); }
+#endif
+
_GLIBCXX_END_NAMESPACE
#endif /* _STL_UNINITIALIZED_H */
diff --git a/libstdc++-v3/testsuite/20_util/specialized_algorithms/uninitialized_copy_n/move_iterators/1.cc b/libstdc++-v3/testsuite/20_util/specialized_algorithms/uninitialized_copy_n/move_iterators/1.cc
new file mode 100644
index 00000000000..bbe36f3b642
--- /dev/null
+++ b/libstdc++-v3/testsuite/20_util/specialized_algorithms/uninitialized_copy_n/move_iterators/1.cc
@@ -0,0 +1,68 @@
+// { dg-options "-std=gnu++0x" }
+
+// 2008-06-29 Paolo Carlini <paolo.carlini@oracle.com>
+
+// Copyright (C) 2008 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
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without Pred the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING. If not, write to the Free
+// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// USA.
+
+#undef _GLIBCXX_CONCEPT_CHECKS
+#define _GLIBCXX_TESTSUITE_ALLOW_RVALREF_ALIASING
+
+#include <algorithm>
+#include <iterator>
+#include <testsuite_hooks.h>
+#include <testsuite_iterators.h>
+#include <testsuite_rvalref.h>
+
+using __gnu_test::test_container;
+using __gnu_test::input_iterator_wrapper;
+using __gnu_test::forward_iterator_wrapper;
+using __gnu_test::rvalstruct;
+using std::uninitialized_copy_n;
+
+typedef test_container<rvalstruct, input_iterator_wrapper> container_in;
+typedef test_container<rvalstruct, forward_iterator_wrapper> container_out;
+
+void test01()
+{
+ bool test __attribute__((unused)) = true;
+
+ int inarray[] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
+ const int size = sizeof(inarray) / sizeof(int);
+
+ rvalstruct in[size], out[size];
+ std::copy(inarray, inarray + size, in);
+
+ container_in incon(in, in + size);
+ container_out outcon(out, out + size);
+
+ uninitialized_copy_n(std::move_iterator<input_iterator_wrapper<rvalstruct> >(incon.begin()),
+ size, outcon.begin());
+ VERIFY( std::equal(out, out + size, inarray) );
+ for (int z = 0; z < size; ++z)
+ VERIFY( out[z].valid );
+ for (int z = 0; z < size; ++z)
+ VERIFY( !in[z].valid );
+}
+
+
+int main()
+{
+ test01();
+ return 0;
+}
diff --git a/libstdc++-v3/testsuite/25_algorithms/copy_n/1.cc b/libstdc++-v3/testsuite/25_algorithms/copy_n/1.cc
new file mode 100644
index 00000000000..03af13674ec
--- /dev/null
+++ b/libstdc++-v3/testsuite/25_algorithms/copy_n/1.cc
@@ -0,0 +1,54 @@
+// { dg-options "-std=gnu++0x" }
+
+// 2008-06-29 Paolo Carlini <paolo.carlini@oracle.com>
+
+// Copyright (C) 2008 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
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without Pred the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING. If not, write to the Free
+// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
+// USA.
+
+#include <algorithm>
+#include <vector>
+#include <testsuite_hooks.h>
+
+void
+test01()
+{
+ using namespace std;
+ bool test __attribute__((unused)) = true;
+
+ const int A[] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17};
+ const int N = sizeof(A) / sizeof(int);
+
+ int i1[N];
+ copy_n(A, N, i1);
+ VERIFY( equal(i1, i1 + N, A) );
+
+ vector<int> v1(N);
+ copy_n(A, N, v1.begin());
+ VERIFY( equal(v1.begin(), v1.end(), A) );
+
+ short s1[N];
+ copy_n(A, N, s1);
+ VERIFY( equal(s1, s1 + N, A) );
+}
+
+int
+main()
+{
+ test01();
+ return 0;
+}
diff --git a/libstdc++-v3/testsuite/25_algorithms/copy_n/2.cc b/libstdc++-v3/testsuite/25_algorithms/copy_n/2.cc
new file mode 100644
index 00000000000..23cf9296c5c
--- /dev/null
+++ b/libstdc++-v3/testsuite/25_algorithms/copy_n/2.cc
@@ -0,0 +1,55 @@
+// { dg-options "-std=gnu++0x" }
+
+// 2008-06-29 Paolo Carlini <paolo.carlini@oracle.com>
+
+// Copyright (C) 2008 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
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without Pred the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING. If not, write to the Free
+// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
+// USA.
+
+#include <algorithm>
+#include <vector>
+#include <testsuite_hooks.h>
+
+void
+test01()
+{
+ using namespace std;
+ bool test __attribute__((unused)) = true;
+
+ const int A[] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17};
+ const int N = sizeof(A) / sizeof(int);
+ const vector<int> a(A, A + N);
+
+ int i1[N];
+ copy_n(a.begin(), N, i1);
+ VERIFY( equal(i1, i1 + N, a.begin()) );
+
+ vector<int> v1(N);
+ copy_n(a.begin(), N, v1.begin());
+ VERIFY( equal(v1.begin(), v1.end(), a.begin()) );
+
+ short s1[N];
+ copy_n(a.begin(), N, s1);
+ VERIFY( equal(s1, s1 + N, a.begin()) );
+}
+
+int
+main()
+{
+ test01();
+ return 0;
+}
diff --git a/libstdc++-v3/testsuite/25_algorithms/copy_n/3.cc b/libstdc++-v3/testsuite/25_algorithms/copy_n/3.cc
new file mode 100644
index 00000000000..14bb356e722
--- /dev/null
+++ b/libstdc++-v3/testsuite/25_algorithms/copy_n/3.cc
@@ -0,0 +1,56 @@
+// { dg-options "-std=gnu++0x" }
+
+// 2008-06-29 Paolo Carlini <paolo.carlini@oracle.com>
+
+// Copyright (C) 2008 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
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without Pred the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING. If not, write to the Free
+// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
+// USA.
+
+#include <algorithm>
+#include <vector>
+#include <deque>
+#include <testsuite_hooks.h>
+
+void
+test01()
+{
+ using namespace std;
+ bool test __attribute__((unused)) = true;
+
+ const int A[] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17};
+ const int N = sizeof(A) / sizeof(int);
+ const deque<int> a(A, A + N);
+
+ int i1[N];
+ copy_n(a.begin(), N, i1);
+ VERIFY( equal(i1, i1 + N, a.begin()) );
+
+ vector<int> v1(N);
+ copy_n(a.begin(), N, v1.begin());
+ VERIFY( equal(v1.begin(), v1.end(), a.begin()) );
+
+ short s1[N];
+ copy_n(a.begin(), N, s1);
+ VERIFY( equal(s1, s1 + N, a.begin()) );
+}
+
+int
+main()
+{
+ test01();
+ return 0;
+}
diff --git a/libstdc++-v3/testsuite/25_algorithms/copy_n/4.cc b/libstdc++-v3/testsuite/25_algorithms/copy_n/4.cc
new file mode 100644
index 00000000000..9320b7e9fc9
--- /dev/null
+++ b/libstdc++-v3/testsuite/25_algorithms/copy_n/4.cc
@@ -0,0 +1,56 @@
+// { dg-options "-std=gnu++0x" }
+
+// 2008-06-29 Paolo Carlini <paolo.carlini@oracle.com>
+
+// Copyright (C) 2008 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
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without Pred the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING. If not, write to the Free
+// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
+// USA.
+
+#include <algorithm>
+#include <vector>
+#include <list>
+#include <testsuite_hooks.h>
+
+void
+test01()
+{
+ using namespace std;
+ bool test __attribute__((unused)) = true;
+
+ const int A[] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17};
+ const int N = sizeof(A) / sizeof(int);
+ const list<int> a(A, A + N);
+
+ int i1[N];
+ copy_n(a.begin(), N, i1);
+ VERIFY( equal(i1, i1 + N, a.begin()) );
+
+ vector<int> v1(N);
+ copy_n(a.begin(), N, v1.begin());
+ VERIFY( equal(v1.begin(), v1.end(), a.begin()) );
+
+ short s1[N];
+ copy_n(a.begin(), N, s1);
+ VERIFY( equal(s1, s1 + N, a.begin()) );
+}
+
+int
+main()
+{
+ test01();
+ return 0;
+}
diff --git a/libstdc++-v3/testsuite/25_algorithms/copy_n/move_iterators/1.cc b/libstdc++-v3/testsuite/25_algorithms/copy_n/move_iterators/1.cc
new file mode 100644
index 00000000000..08b26d4e9f2
--- /dev/null
+++ b/libstdc++-v3/testsuite/25_algorithms/copy_n/move_iterators/1.cc
@@ -0,0 +1,67 @@
+// { dg-options "-std=gnu++0x" }
+
+// 2008-06-29 Paolo Carlini <paolo.carlini@oracle.com>
+
+// Copyright (C) 2008 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
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without Pred the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING. If not, write to the Free
+// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// USA.
+
+#undef _GLIBCXX_CONCEPT_CHECKS
+#define _GLIBCXX_TESTSUITE_ALLOW_RVALREF_ALIASING
+
+#include <algorithm>
+#include <iterator>
+#include <testsuite_hooks.h>
+#include <testsuite_iterators.h>
+#include <testsuite_rvalref.h>
+
+using __gnu_test::test_container;
+using __gnu_test::input_iterator_wrapper;
+using __gnu_test::output_iterator_wrapper;
+using __gnu_test::rvalstruct;
+using std::copy_n;
+
+typedef test_container<rvalstruct, input_iterator_wrapper> container_in;
+typedef test_container<rvalstruct, output_iterator_wrapper> container_out;
+
+void test01()
+{
+ bool test __attribute__((unused)) = true;
+
+ int inarray[] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
+ const int size = sizeof(inarray) / sizeof(int);
+
+ rvalstruct in[size], out[size];
+ std::copy(inarray, inarray + size, in);
+
+ container_in incon(in, in + size);
+ container_out outcon(out, out + size);
+
+ copy_n(std::move_iterator<input_iterator_wrapper<rvalstruct> >(incon.begin()),
+ size, outcon.begin());
+ VERIFY( std::equal(out, out + size, inarray) );
+ for (int z = 0; z < size; ++z)
+ VERIFY( out[z].valid );
+ for (int z = 0; z < size; ++z)
+ VERIFY( !in[z].valid );
+}
+
+int main()
+{
+ test01();
+ return 0;
+}
diff --git a/libstdc++-v3/testsuite/25_algorithms/copy_n/requirements/explicit_instantiation/2.cc b/libstdc++-v3/testsuite/25_algorithms/copy_n/requirements/explicit_instantiation/2.cc
new file mode 100644
index 00000000000..004479ce07d
--- /dev/null
+++ b/libstdc++-v3/testsuite/25_algorithms/copy_n/requirements/explicit_instantiation/2.cc
@@ -0,0 +1,45 @@
+// { dg-do compile }
+// { dg-options "-std=gnu++0x" }
+
+// 2008-06-29 Paolo Carlini <paolo.carlini@oracle.com>
+
+// Copyright (C) 2008 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
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING. If not, write to the Free
+// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
+// USA.
+
+// As a special exception, you may use this file as part of a free software
+// library without restriction. Specifically, if other files instantiate
+// templates or use macros or inline functions from this file, or you compile
+// this file and link it with other files to produce an executable, this
+// file does not by itself cause the resulting executable to be covered by
+// the GNU General Public License. This exception does not however
+// invalidate any other reasons why the executable file might be covered by
+// the GNU General Public License.
+
+#include <algorithm>
+#include <testsuite_api.h>
+
+namespace std
+{
+ using __gnu_test::NonDefaultConstructible;
+
+ typedef NonDefaultConstructible value_type;
+ typedef value_type* iterator_type;
+ typedef unsigned short size_type;
+
+ template iterator_type copy_n(iterator_type, size_type, iterator_type);
+}
diff --git a/libstdc++-v3/testsuite/25_algorithms/copy_n/requirements/explicit_instantiation/pod.cc b/libstdc++-v3/testsuite/25_algorithms/copy_n/requirements/explicit_instantiation/pod.cc
new file mode 100644
index 00000000000..64a68de6184
--- /dev/null
+++ b/libstdc++-v3/testsuite/25_algorithms/copy_n/requirements/explicit_instantiation/pod.cc
@@ -0,0 +1,45 @@
+// { dg-do compile }
+// { dg-options "-std=gnu++0x" }
+
+// 2008-06-24 Paolo Carlini <paolo.carlini@oracle.com>
+
+// Copyright (C) 2008 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
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING. If not, write to the Free
+// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
+// USA.
+
+// As a special exception, you may use this file as part of a free software
+// library without restriction. Specifically, if other files instantiate
+// templates or use macros or inline functions from this file, or you compile
+// this file and link it with other files to produce an executable, this
+// file does not by itself cause the resulting executable to be covered by
+// the GNU General Public License. This exception does not however
+// invalidate any other reasons why the executable file might be covered by
+// the GNU General Public License.
+
+#include <algorithm>
+#include <testsuite_character.h>
+
+namespace std
+{
+ using __gnu_test::pod_int;
+
+ typedef pod_int value_type;
+ typedef value_type* iterator_type;
+ typedef unsigned short size_type;
+
+ template iterator_type copy_n(iterator_type, size_type, iterator_type);
+}
diff --git a/libstdc++-v3/testsuite/25_algorithms/headers/algorithm/synopsis.cc b/libstdc++-v3/testsuite/25_algorithms/headers/algorithm/synopsis.cc
index 005892d70e2..2d73e6f15bc 100644
--- a/libstdc++-v3/testsuite/25_algorithms/headers/algorithm/synopsis.cc
+++ b/libstdc++-v3/testsuite/25_algorithms/headers/algorithm/synopsis.cc
@@ -217,6 +217,10 @@ namespace std
_OIter
copy_if(_IIter, _IIter, _OIter, _Predicate);
+ template<typename _IIter, typename _Size, typename _OIter>
+ _OIter
+ copy_n(_IIter, _Size, _OIter);
+
template<typename _IIter, typename _OIter1,
typename _OIter2, typename _Predicate>
pair<_OIter1, _OIter2>