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// { dg-options "-std=gnu++0x" }
// { dg-do compile }
 
// Copyright (C) 2010 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 <utility>
 
int x, y;
 
std::pair<int&, int&>
foo1()
{
  std::pair<int&, int&> blah(x, y);
  return blah;
}
 
std::pair<int&, int&>
foo2()
{
  const std::pair<int&, int&> blah(x, y);
  return blah;
}
 
std::pair<int&, int&>
foo3()
{
  std::pair<int&, int&> blah(x, y);
  return std::pair<int&, int&>(std::move(blah));
}
 
std::pair<int&, int&>
foo4()
{
  const std::pair<int&, int&> blah(x, y);
  return std::pair<int&, int&>(std::move(blah));
}