111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert//===----------------------------------------------------------------------===// 211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// 311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// The LLVM Compiler Infrastructure 411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// 511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// This file is dual licensed under the MIT and the University of Illinois Open 611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// Source Licenses. See LICENSE.TXT for details. 711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// 811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert//===----------------------------------------------------------------------===// 911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 1011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// <future> 1111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 1211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// class future<R> 1311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 1411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// future(); 1511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 1611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#include <future> 1711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#include <cassert> 1811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 1911cd02dfb91661c65134cac258cf5924270e9d2Dan Albertint main() 2011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert{ 2111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert { 2211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert std::future<int> f; 2311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert assert(!f.valid()); 2411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert } 2511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert { 2611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert std::future<int&> f; 2711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert assert(!f.valid()); 2811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert } 2911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert { 3011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert std::future<void> f; 3111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert assert(!f.valid()); 3211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert } 3311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert} 34