//===----------------------------------------------------------------------===//
//
// 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++03, c++11, c++14
// <chrono>
// ceil
// template <class Rep, class Period>
// constexpr duration<Rep, Period> abs(duration<Rep, Period> d)
// This function shall not participate in overload resolution unless numeric_limits<Rep>::is_signed is true.
#include <chrono>
typedef std::chrono::duration<unsigned> unsigned_secs;
int main(int, char**)
{
std::chrono::abs(unsigned_secs(0));
return 0;
}