Implement std::launder for C++17
[official-gcc.git] / libstdc++-v3 / testsuite / 18_support / launder / requirements.cc
blobc1bf5adf2ef0c13695d48b1a7ddf80b761728579
1 // Copyright (C) 2016 Free Software Foundation, Inc.
2 //
3 // This file is part of the GNU ISO C++ Library. This library is free
4 // software; you can redistribute it and/or modify it under the
5 // terms of the GNU General Public License as published by the
6 // Free Software Foundation; either version 3, or (at your option)
7 // any later version.
9 // This library is distributed in the hope that it will be useful,
10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 // GNU General Public License for more details.
14 // You should have received a copy of the GNU General Public License along
15 // with this library; see the file COPYING3. If not see
16 // <http://www.gnu.org/licenses/>.
18 // { dg-options "-std=gnu++17" }
19 // { dg-do compile { target c++1z } }
21 // NB: This file is for testing new with NO OTHER INCLUDES.
22 #include <new>
24 namespace std {
25 template <class T>
26 constexpr T* launder(T* p) noexcept;