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(); 15 16 #include <shared_mutex> 17 18 int main() 19 { 20 #if _LIBCPP_STD_VER > 11 21 std::shared_timed_mutex m; 22 #endif 23 } 24