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// class thread
13
14// unsigned hardware_concurrency();
15
16#include <thread>
17#include <cassert>
18
19int main()
20{
21    assert(std::thread::hardware_concurrency() > 0);
22}
23