diff options
Diffstat (limited to 'gcc-4.9/libstdc++-v3/testsuite/29_atomics/atomic/62259.cc')
-rw-r--r-- | gcc-4.9/libstdc++-v3/testsuite/29_atomics/atomic/62259.cc | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/gcc-4.9/libstdc++-v3/testsuite/29_atomics/atomic/62259.cc b/gcc-4.9/libstdc++-v3/testsuite/29_atomics/atomic/62259.cc new file mode 100644 index 0000000..42b45ec --- /dev/null +++ b/gcc-4.9/libstdc++-v3/testsuite/29_atomics/atomic/62259.cc @@ -0,0 +1,59 @@ +// 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-require-atomic-builtins "" } +// { dg-require-cstdint "" } +// { dg-options "-std=gnu++11" } +// { dg-do compile } + +#include <atomic> +#include <cstdint> + +using std::int32_t; +using std::int64_t; + +// libstdc++/62259 + +struct twoints { + int32_t a; + int32_t b; +}; + +static_assert( alignof(std::atomic<twoints>) == alignof(int64_t), + "std::atomic not suitably aligned" ); + +// libstdc++/65147 + +struct power_of_two_obj { + char c [8]; +}; + +std::atomic<power_of_two_obj> obj1; + +static_assert( alignof(obj1) == alignof(int64_t), + "std::atomic not suitably aligned" ); + +struct container_struct { + char c[1]; + std::atomic<power_of_two_obj> ao; +}; + +container_struct obj2; + +static_assert( alignof(obj2.ao) == alignof(int64_t), + "std::atomic not suitably aligned" ); + |