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 // UNSUPPORTED: libcpp-has-no-threads
11
12 // <atomic>
13
14 // void atomic_thread_fence(memory_order m);
15
16 #include <atomic>
17
main()18 int main()
19 {
20 std::atomic_thread_fence(std::memory_order_seq_cst);
21 }
22