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// 2001-04-06 gdr
// Copyright (C) 2000-2018 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/>.
#include <vector>
#include <algorithm>
//
// 25.1.8 Make sure std::equal doesn't make any extra assumption
// about operator== and operator!=
//
struct X { };
bool operator==(X, X) { return true; }
// Not implemented on purpose. { dg-do link }
bool operator!=(X, X);
int main()
{
std::vector<X> v, w;
return !std::equal(v.begin(), v.end(), w.begin());
}
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