1// { dg-options "-std=gnu++11" } 2// { dg-do compile } 3 4// Copyright (C) 2011-2015 Free Software Foundation, Inc. 5// 6// This file is part of the GNU ISO C++ Library. This library is free 7// software; you can redistribute it and/or modify it under the 8// terms of the GNU General Public License as published by the 9// Free Software Foundation; either version 3, or (at your option) 10// any later version. 11// 12// This library is distributed in the hope that it will be useful, 13// but WITHOUT ANY WARRANTY; without even the implied warranty of 14// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15// GNU General Public License for more details. 16// 17// You should have received a copy of the GNU General Public License along 18// with this library; see the file COPYING3. If not see 19// <http://www.gnu.org/licenses/>. 20 21// libstdc++/60594 22 23#include <functional> 24#include <type_traits> 25struct bar; 26using F = std::function<bar()>; 27// check for copy constructible and assignable while 'bar' is incomplete 28constexpr int c = std::is_copy_constructible<F>::value; 29constexpr int a = std::is_copy_assignable<F>::value; 30struct bar { }; 31bar func(); 32void test() 33{ 34 F g{ &func }; 35 g = func; 36} 37