I forgot to add these (useless) functions that are required for full C++11 conformance.
Tested powerpc64le-linux, committed to trunk. I will probably backport these to 5.2 as well.
commit 95d0e38e22b85e6ffeea15678c6dce114c029be7 Author: Jonathan Wakely <jwak...@redhat.com> Date: Tue Jan 20 12:14:11 2015 +0000 * include/std/memory (pointer_safety, declare_reachable, undeclare_reachable, declare_no_pointers, undeclare_no_pointers, get_pointer_safety): Define. * testsuite/20_util/pointer_safety/1.cc: New. diff --git a/libstdc++-v3/include/std/memory b/libstdc++-v3/include/std/memory index 4257394..3ed53b8 100644 --- a/libstdc++-v3/include/std/memory +++ b/libstdc++-v3/include/std/memory @@ -126,6 +126,26 @@ align(size_t __align, size_t __size, void*& __ptr, size_t& __space) noexcept } } +// 20.7.4 [util.dynamic.safety], pointer safety + +enum class pointer_safety { relaxed, preferred, strict }; + +inline void +declare_reachable(void*) { } + +template <class T> + inline T* + undeclare_reachable(T* __p) { return __p; } + +inline void +declare_no_pointers(char*, size_t) { } + +inline void +undeclare_no_pointers(char*, size_t) { } + +inline pointer_safety +get_pointer_safety() noexcept { return pointer_safety::relaxed; } + _GLIBCXX_END_NAMESPACE_VERSION } // namespace #endif // _GLIBCXX_USE_C99_STDINT_TR1 diff --git a/libstdc++-v3/testsuite/20_util/pointer_safety/1.cc b/libstdc++-v3/testsuite/20_util/pointer_safety/1.cc new file mode 100644 index 0000000..85793ff --- /dev/null +++ b/libstdc++-v3/testsuite/20_util/pointer_safety/1.cc @@ -0,0 +1,43 @@ +// Copyright (C) 2015 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++11" } + +#include <memory> +#include <testsuite_hooks.h> + +void +test01() +{ + char buf[8]; + + std::declare_reachable(buf); + char* p = std::undeclare_reachable(buf); + VERIFY( p == buf ); + + std::declare_no_pointers(p, sizeof(buf)); + std::undeclare_no_pointers(p, sizeof(buf)); + + std::pointer_safety ps = std::get_pointer_safety(); + VERIFY( ps == std::pointer_safety::relaxed ); +} + +int +main() +{ + test01(); +}