| // Copyright (C) 2020-2021 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 "-std=gnu++2a" } |
| // { dg-do compile { target c++2a xfail *-*-* } } |
| // { dg-require-normal-mode "" } |
| |
| #include <algorithm> |
| #include <array> |
| |
| constexpr bool |
| test01() |
| { |
| constexpr std::array<int, 12> ca0{{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11}}; |
| constexpr std::array<int, 12> ca1{{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11}}; |
| |
| const auto outa = std::equal(ca0.end(), ca0.begin(), ca1.begin()); |
| return outa; |
| } |
| |
| static_assert(test01()); // { dg-error "outside the bounds" } |
| |
| constexpr bool |
| test02() |
| { |
| constexpr std::array<int, 12> ca0{{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11}}; |
| constexpr std::array<int, 11> ca1{{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10}}; |
| |
| const auto outa = std::equal(ca0.begin(), ca0.end(), ca1.begin()); |
| return outa; |
| } |
| |
| static_assert(test02()); // { dg-error "outside the bounds" } |
| |
| // { dg-prune-output "non-constant condition" } |
| // { dg-prune-output "in 'constexpr'" } |