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[thirdparty/gcc.git] / libstdc++-v3 / testsuite / 23_containers / unordered_set / operators / 52309.cc

// { dg-do compile { target c++11 } }

// Copyright (C) 2012-2022 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 <unordered_set>

// libstdc++/52309
struct value {};
struct hash { std::size_t operator()(const value&) const; };
bool operator==(value const&, value const&);
std::unordered_set<value, hash> set;
bool z = (set == set);