1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
|
// Copyright (C) 2019-2024 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
// NB: This file is for testing type_traits with NO OTHER INCLUDES.
// { dg-do compile { target c++20 } }
#include <type_traits>
using test_type1 = int;
using test_type2 = int&;
using test_type3 = double;
using test_type4 = float&;
using test_type5 = void;
using test_type6 = const void;
namespace std
{
template struct common_reference<>;
template struct common_reference<test_type1>;
template struct common_reference<test_type1, test_type2>;
template struct common_reference<test_type1, test_type2, test_type3>;
template struct common_reference<test_type1, test_type2, test_type3, test_type4>;
template struct common_reference<test_type5>;
template struct common_reference<test_type5, test_type6>;
}
|
