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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));

}