| // { dg-options "-std=gnu++2a" } |
| // { dg-do compile { target c++2a } } |
| |
| // Copyright (C) 2019-2021 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/>. |
| |
| #include <atomic> |
| |
| void test01() |
| { |
| // Not global scoped, only namespace std. |
| using memory_order; // { dg-error "expected nested-name-specifier" } |
| constexpr auto relaxed = memory_order::relaxed; // { dg-error "has not been declared" } |
| constexpr auto consume = memory_order::consume; // { dg-error "has not been declared" } |
| constexpr auto acquire = memory_order::acquire; // { dg-error "has not been declared" } |
| constexpr auto release = memory_order::release; // { dg-error "has not been declared" } |
| constexpr auto acq_rel = memory_order::acq_rel; // { dg-error "has not been declared" } |
| constexpr auto seq_cst = memory_order::seq_cst; // { dg-error "has not been declared" } |
| } |
