//===----------------------------------------------------------------------===//
//
// 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>
// void atomic_signal_fence(memory_order m);
#include <atomic>
int main()
{
std::atomic_signal_fence(std::memory_order_seq_cst);
}