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//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// UNSUPPORTED: c++98, c++03, c++11, c++14, c++17
// <chrono>
// file_clock
// rep should be signed
#include <chrono>
#include <cassert>
int main(int, char**)
{
static_assert(std::is_signed<std::chrono::file_clock::rep>::value, "");
assert(std::chrono::file_clock::duration::min() <
std::chrono::file_clock::duration::zero());
return 0;
}
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