35 lines
1.1 KiB
C++
35 lines
1.1 KiB
C++
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// Copyright (C) 2020 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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// { dg-options "-std=gnu++2a" }
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// { dg-do compile { target c++2a } }
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#include <memory>
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// PR libstdc++/97132 - assume_aligned is not constexpr
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constexpr bool test01()
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{
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struct alignas(32) S { int i; };
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S s{42};
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int* p = std::assume_aligned<32>(&s.i);
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*p = 48;
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return s.i == 48;
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}
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static_assert( test01() );
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