| // Copyright (C) 2015-2021 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/>. |
| |
| // { dg-options "-D_GLIBCXX_CONCEPT_CHECKS" } |
| // { dg-do compile { target c++11 } } |
| |
| #include <iterator> |
| |
| struct Y {}; |
| |
| namespace std |
| { |
| template<> |
| struct iterator_traits<const Y*> : iterator_traits<Y*> |
| { |
| using iterator_category = forward_iterator_tag; |
| using reference = const Y&; |
| using pointer = const Y*; |
| }; |
| } |
| |
| void |
| test02() |
| { |
| const Y array[1] = { }; |
| (void) std::prev(array + 1); |
| // { dg-error "forward_iterator" "" { target *-*-* } 239 } |
| } |
