1// -*- C++ -*- 2//===----------------------------------------------------------------------===// 3// 4// The LLVM Compiler Infrastructure 5// 6// This file is dual licensed under the MIT and the University of Illinois Open 7// Source Licenses. See LICENSE.TXT for details. 8// 9//===----------------------------------------------------------------------===// 10#include <chrono> 11#include <cassert> 12 13int main() 14{ 15#if _LIBCPP_STD_VER > 11 16 using std::chrono::hours; 17 18 hours foo = 4h; // should fail w/conversion operator not found 19#else 20#error 21#endif 22} 23