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// { dg-do compile { target c++11 } }
// Copyright (C) 2010-2018 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 <utility>
template <class T>
struct C
{
T t_;
C() { }
template <class U,
class = typename std::enable_if
<
!std::is_lvalue_reference<U>::value
>::type>
C(U&& u) : t_(std::forward<T>(std::move(u).get())) { }
C(C&& c) : t_(std::forward<T>(c.t_)) { }
};
template <class T>
struct Derived
: C<T>
{
Derived() { }
Derived(Derived&& d) : C<T>(std::forward<C<T>>(d)) { }
};
// http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2009/n2951.html
// Test E.
int main()
{
Derived<int> d;
Derived<int> d2(std::move(d));
}
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