29 lines
1.1 KiB
C++
29 lines
1.1 KiB
C++
// Copyright (C) 2017-2020 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++17" }
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// { dg-do compile { target c++17 } }
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#include <type_traits>
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// PR libstdc++/83395
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using F = int(*)();
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static_assert(std::is_invocable_r<void, F>::value);
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static_assert(std::is_invocable_r<void const, F>::value);
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static_assert(std::is_invocable_r<void volatile, F>::value);
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static_assert(std::is_invocable_r<void const volatile, F>::value);
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