| //===----------------------------------------------------------------------===// | 
 | // | 
 | //                     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. | 
 | // | 
 | //===----------------------------------------------------------------------===// | 
 | // | 
 | // UNSUPPORTED: libcpp-has-no-threads | 
 |  | 
 | // <thread> | 
 |  | 
 | // class thread | 
 |  | 
 | // thread(); | 
 |  | 
 | #include <thread> | 
 | #include <cassert> | 
 |  | 
 | int main() | 
 | { | 
 |     std::thread t; | 
 |     assert(t.get_id() == std::thread::id()); | 
 | } |