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libstdc++: Add test accidentally left out of previous commit

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* testsuite/25_algorithms/move_backward/93872.cc: Add test left out of
	previous commit.
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Jonathan Wakely 2020-02-25 12:42:03 +00:00
parent 5b904f175f
commit 6de946e65c
2 changed files with 42 additions and 0 deletions
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libstdc++-v3/ChangeLog
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2020-02-24 Jonathan Wakely <jwakely@redhat.com>
* testsuite/25_algorithms/move_backward/93872.cc: Add test left out of
previous commit.
PR libstdc++/93872
* include/bits/stl_algobase.h (__memmove): Cast away const before
doing move assignment.

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libstdc++-v3/testsuite/25_algorithms/move_backward/93872.cc Normal file
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// Copyright (C) 2020 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-options "-std=gnu++2a" }
// { dg-do compile { target c++2a } }
#include <algorithm>
struct X
{
X() = default;
X(const X&) = delete;
X& operator=(const X&) = delete;
X(X&&) = default;
X& operator=(X&&) = default;
};
void
test01()
{
X a[2], b[2];
std::move_backward(std::begin(a), std::end(a), std::begin(b));
}