|  | //===----------------------------------------------------------------------===// | 
|  | // | 
|  | //                     The LLVM Compiler Infrastructure | 
|  | // | 
|  | // This file is dual licensed under the MIT and the University of Illinois Open | 
|  | // Source Licenses. See LICENSE.TXT for details. | 
|  | // | 
|  | //===----------------------------------------------------------------------===// | 
|  |  | 
|  | // <atomic> | 
|  |  | 
|  | // struct atomic_flag | 
|  |  | 
|  | // atomic_flag& operator=(const atomic_flag&) = delete; | 
|  |  | 
|  | #include <atomic> | 
|  | #include <cassert> | 
|  |  | 
|  | int main() | 
|  | { | 
|  | std::atomic_flag f0; | 
|  | std::atomic_flag f; | 
|  | f = f0; | 
|  | } |