1//===----------------------------------------------------------------------===// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is dual licensed under the MIT and the University of Illinois Open 6// Source Licenses. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// 9 10// <atomic> 11 12// struct atomic_flag 13 14// atomic_flag& operator=(const atomic_flag&) = delete; 15 16#include <atomic> 17#include <cassert> 18 19int main() 20{ 21 std::atomic_flag f0; 22 volatile std::atomic_flag f; 23 f = f0; 24} 25