text: //===----------------------------------------------------------------------===//
  //
  //                     The LLVM Compiler Infrastructure
  //
  // This file is dual licensed under the MIT and the University of Illinois Open
  // Source Licenses. See LICENSE.TXT for details.
  //
  //===----------------------------------------------------------------------===//
  // UNSUPPORTED: c++98, c++03, c++11, c++14, c++17
  
  // <chrono>
  
  // struct last_spec {
  //   explicit last_spec() = default;
  // };
  //
  // inline constexpr last_spec last{};
  
  #include <chrono>
  #include <type_traits>
  #include <cassert>
  
  #include "test_macros.h"
  
  int main()
  {
      using last_spec = std::chrono::last_spec;
      
      ASSERT_SAME_TYPE(const last_spec, decltype(std::chrono::last));
  
      static_assert(std::is_trivially_copyable_v<last_spec>, "");
      static_assert(std::is_standard_layout_v<last_spec>, "");
  }
  