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// { dg-do compile { target c++11 } }
// Copyright (C) 2015-2023 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/>.
#include <memory>
#include <type_traits>
struct do_nothing
{
template <class T>
void operator()(T*) {}
};
int
main()
{
int i = 0;
std::unique_ptr<int, do_nothing> p1(&i);
std::unique_ptr<int> p2;
static_assert(!std::is_assignable<decltype(p2), decltype(p1)>::value, "");
}
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