//===----------------------------------------------------------------------===//////                     The LLVM Compiler Infrastructure//// This file is distributed under the University of Illinois Open Source// License. See LICENSE.TXT for details.////===----------------------------------------------------------------------===//// <chrono>// monotonic_clock// check clock invariants#include <chrono>int main(){    typedef std::chrono::monotonic_clock C;    static_assert((std::is_same<C::rep, C::duration::rep>::value), "");    static_assert((std::is_same<C::period, C::duration::period>::value), "");    static_assert((std::is_same<C::duration, C::time_point::duration>::value), "");    static_assert(C::is_monotonic, "");}