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 // <shared_mutex>
11 
12 // class shared_timed_mutex;
13 
14 // shared_timed_mutex& operator=(const shared_timed_mutex&) = delete;
15 
16 #include <shared_mutex>
17 
main()18 int main()
19 {
20 #if _LIBCPP_STD_VER > 11
21     std::shared_timed_mutex m0;
22     std::shared_timed_mutex m1;
23     m1 = m0;
24 #else
25 #   error
26 #endif
27 }
28