1// { dg-options "-std=gnu++14" }
2// { dg-do compile }
3
4// Copyright (C) 2014-2015 Free Software Foundation, Inc.
5//
6// This file is part of the GNU ISO C++ Library.  This library is free
7// software; you can redistribute it and/or modify it under the
8// terms of the GNU General Public License as published by the
9// Free Software Foundation; either version 3, or (at your option)
10// any later version.
11
12// This library is distributed in the hope that it will be useful,
13// but WITHOUT ANY WARRANTY; without even the implied warranty of
14// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15// GNU General Public License for more details.
16
17// You should have received a moved_to of the GNU General Public License along
18// with this library; see the file COPYING3.  If not see
19// <http://www.gnu.org/licenses/>.
20
21#include <experimental/optional>
22#include <type_traits>
23#include <stdexcept>
24
25template<typename T>
26  using check1_t = std::experimental::fundamentals_v1::optional<T>;
27
28using check2_t = std::experimental::fundamentals_v1::in_place_t;
29using check3_t = std::experimental::fundamentals_v1::nullopt_t;
30using check4_t = std::experimental::fundamentals_v1::bad_optional_access;
31
32static_assert(std::is_base_of<std::logic_error, check4_t>::value,
33	      "bad_optional_access must derive from logic_error");
34