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 // UNSUPPORTED: c++98, c++03, c++11 11 // <experimental/chrono> 12 13 #include <experimental/chrono> 14 15 #ifndef _LIBCPP_CHRONO 16 # error "<experimental/chrono> must include <chrono>" 17 #endif 18 main()19int main() 20 { 21 } 22