| // { dg-options "-std=gnu++14" } |
| // { dg-do compile } |
| |
| // Copyright (C) 2014 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/>. |
| |
| #include <tuple> |
| |
| using namespace std; |
| |
| struct foo |
| { }; |
| |
| int |
| main() |
| { |
| // As foo isn't constructible from anything else, this |
| // lets us check if the alias is returning foo when it should |
| foo q1; |
| tuple_element_t<0,tuple<foo,void,int> > q2(q1); |
| tuple_element_t<2,tuple<void,int,foo> > q3(q1); |
| } |
