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// <thread>
11
12// #define __STDCPP_THREADS__ __cplusplus
13
14#include <thread>
15
16int main()
17{
18#ifndef __STDCPP_THREADS__
19#error __STDCPP_THREADS__ is not defined
20#endif
21}
22