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// <mutex>
11
12// class recursive_mutex;
13
14// recursive_mutex(const recursive_mutex&) = delete;
15
16#include <mutex>
17
18int main()
19{
20    std::recursive_mutex m0;
21    std::recursive_mutex m1(m0);
22}
23