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// { dg-do compile }

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

// { dg-require-cstdint "" }

// { dg-require-gthreads "" }

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

// Copyright (C) 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/>.

// Test that promise can be default-constructed or move-constructed

// in a context that does uses-allocator construction.

#include <future>

#include <memory>

#include <tuple>

using std::promise;

using std::allocator_arg;

using std::allocator;

using std::tuple;

typedef promise<int>  p;

typedef promise<int&> pr;

typedef promise<void> pv;

allocator<p> a;

tuple<p, pr, pv> t1{ allocator_arg, a };

tuple<p, pr, pv> t2{ allocator_arg, a, p{}, pr{}, pv{} };