//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <chrono>
// system_clock
// rep should be signed
#include<chrono>#include<cassert>intmain(){assert(std::chrono::system_clock::duration::min()<std::chrono::system_clock::duration::zero());}