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// Copyright (C) 2011 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 compile }
// { dg-options "-std=gnu++0x" }
#include <unordered_map>
struct X
{
template<typename T>
X(T&) {}
};
bool operator==(const X&, const X&) { return false; }
// LWG 2059.
void erasor(std::unordered_map<X, int>& s, X x)
{
std::unordered_map<X, int>::iterator it = s.find(x);
if (it != s.end())
s.erase(it);
}
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