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// { dg-options "-std=gnu++0x" }

// Copyright (C) 2008, 2009, 2010, 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/>.

#include <tuple>

#include <utility>

struct MoveOnly

{

  MoveOnly () { }

  MoveOnly (MoveOnly&&) { }

  MoveOnly& operator=(MoveOnly&&)

  { return *this; }

  MoveOnly(MoveOnly const&) = delete;

  MoveOnly& operator=(MoveOnly const&) = delete;

};

MoveOnly

make_move_only ()

{ return MoveOnly(); }

// http://gcc.gnu.org/ml/libstdc++/2008-02/msg00046.html

void test01()

{

  typedef std::tuple<MoveOnly> move_only_tuple;

  move_only_tuple t1(make_move_only());

  move_only_tuple t2(std::move(t1));

  move_only_tuple t3 = std::move(t2);

  t1 = std::move(t3);

  typedef std::tuple<MoveOnly, MoveOnly> move_only_tuple2;

  move_only_tuple2 t4(make_move_only(), make_move_only());

  move_only_tuple2 t5(std::move(t4));

  move_only_tuple2 t6 = std::move(t5);

  t4 = std::move(t6);

}

int main()

{

  test01();

  return 0;

}