Commit 2c637422 by François Dumont

Add std::copy_n __glibcxx_requires_can_increment checks.

	* include/bits/stl_algo.h (copy_n): Add __glibcxx_requires_can_increment
	debug checks.
	* testsuite/25_algorithms/copy_n/debug/1_neg.cc: New.
	* testsuite/25_algorithms/copy_n/debug/2_neg.cc: New.

From-SVN: r276636
parent b1ca639a
2019-10-06 François Dumont <fdumont@gcc.gnu.org>
* include/bits/stl_algo.h (copy_n): Add __glibcxx_requires_can_increment
debug checks.
* testsuite/25_algorithms/copy_n/debug/1_neg.cc: New.
* testsuite/25_algorithms/copy_n/debug/2_neg.cc: New.
2019-10-04 François Dumont <fdumont@gcc.gnu.org>
* include/debug/forward_list
......
......@@ -826,6 +826,8 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
__glibcxx_function_requires(_InputIteratorConcept<_InputIterator>)
__glibcxx_function_requires(_OutputIteratorConcept<_OutputIterator,
typename iterator_traits<_InputIterator>::value_type>)
__glibcxx_requires_can_increment(__first, __n);
__glibcxx_requires_can_increment(__result, __n);
return std::__copy_n(__first, __n, __result,
std::__iterator_category(__first));
......
// Copyright (C) 2019 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 3, 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 COPYING3. If not see
// <http://www.gnu.org/licenses/>.
// { dg-do run { target c++11 xfail *-*-* } }
// { dg-require-debug-mode "" }
#include <algorithm>
#include <vector>
void
test01()
{
std::vector<int> v1(3, 1);
std::vector<int> v2(5, 0);
std::copy_n(v1.begin(), 5, v2.begin());
}
int
main()
{
test01();
return 0;
}
// Copyright (C) 2019 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 3, 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 COPYING3. If not see
// <http://www.gnu.org/licenses/>.
// { dg-do run { target c++11 xfail *-*-* } }
// { dg-require-debug-mode "" }
#include <algorithm>
#include <vector>
void
test01()
{
std::vector<int> v1(5, 1);
std::vector<int> v2(3, 0);
std::copy_n(v1.begin(), 5, v2.begin());
}
int
main()
{
test01();
return 0;
}
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