//===----------------------------------------------------------------------===//
//
// 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, c++17
// UNSUPPORTED: no-filesystem, no-localization, no-tzdb
// XFAIL: libcpp-has-no-experimental-tzdb
// XFAIL: availability-tzdb-missing
// <chrono>
//
// class tzdb_list;
//
// const tzdb& front() const noexcept;
#include <chrono>
int main(int, char**) {
const std::chrono::tzdb_list& list = std::chrono::get_tzdb_list();
[[maybe_unused]] const std::chrono::tzdb& _ = list.front();
static_assert(noexcept(list.front()));
return 0;
}