1// { dg-options "-std=gnu++14" }
2// { dg-do compile }
3//
4// Copyright (C) 2013-2015 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 copy 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//
22// NB: This file is for testing type_traits with NO OTHER INCLUDES.
23
24#include <type_traits>
25
26using namespace std;
27
28enum E : long { };
29
30static_assert( is_same<typename underlying_type<E>::type,
31                       underlying_type_t<E>>(),
32               "underlying_type_t" );
33