5ec16257ca
PR libstdc++/60658 * include/bits/atomic_base.h (__atomic_base<_PTp*>::is_lock_free()): Use sizeof pointer type not the element type. * testsuite/29_atomics/atomic/60658.cc: New. From-SVN: r208819
44 lines
1.1 KiB
C++
44 lines
1.1 KiB
C++
// { dg-require-atomic-builtins "" }
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// { dg-options "-std=gnu++11" }
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// Copyright (C) 2014 Free Software Foundation, Inc.
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 3, or (at your option)
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// any later version.
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License along
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// with this library; see the file COPYING3. If not see
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// <http://www.gnu.org/licenses/>.
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#include <atomic>
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#include <testsuite_hooks.h>
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// libstdc++/60658
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struct Foo {
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char buf[1];
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};
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struct Bar {
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char buf[100];
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};
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int
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main ()
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{
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bool test __attribute__((unused)) = true;
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std::atomic<Foo*> a;
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std::atomic<Bar*> b;
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VERIFY (a.is_lock_free() == b.is_lock_free());
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}
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