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// <future>
11
12#include <future>
13
14#ifndef _LIBCPP_VERSION
15#error _LIBCPP_VERSION not defined
16#endif
17
18int main()
19{
20}
21