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// Copyright (C) 2021-2022 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-options "-std=gnu++2a" }
// { dg-do compile { target c++2a } }
// Verify LWG 3391 changes.
#include <iterator>
#include <ranges>
#include <testsuite_iterators.h>
using __gnu_test::test_range;
using __gnu_test::input_iterator_wrapper_nocopy;
void
test01()
{
extern test_range<int, input_iterator_wrapper_nocopy> rx;
auto v = rx | std::views::take(5);
std::ranges::begin(v) != std::ranges::end(v);
}
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