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

// { dg-require-cstdint "" }

// { dg-require-gthreads "" }

// { dg-require-atomic-builtins "" }

// 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 <future>

#include <testsuite_hooks.h>

std::future<int> get() { return std::promise<int>().get_future(); }

void test01()

{

  // assign

  std::shared_future<int> p1;

  std::shared_future<int> p2 = get();

  p1 = p2;

  VERIFY( p1.valid() );

  VERIFY( p2.valid() );

}

int main()

{

  test01();

  return 0;

}