91 lines
1.8 KiB
C++
91 lines
1.8 KiB
C++
// { dg-do compile }
|
|
// { dg-options "-std=gnu++0x" }
|
|
|
|
// Copyright (C) 2010, 2011 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-error "static assertion failed" "" { target *-*-* } 90 }
|
|
|
|
#include <utility>
|
|
|
|
template <class T>
|
|
struct C
|
|
{
|
|
T t_;
|
|
|
|
C() {}
|
|
|
|
explicit C(const T& t) : t_(t) { }
|
|
|
|
template <class U,
|
|
class = typename std::enable_if
|
|
<
|
|
std::is_convertible<U, T>::value
|
|
>::type>
|
|
C(C<U>&& c) : t_(std::forward<T>(c.t_)) { }
|
|
};
|
|
|
|
class B;
|
|
|
|
class A
|
|
{
|
|
int data_;
|
|
|
|
friend class B;
|
|
public:
|
|
explicit
|
|
A(int data = 1)
|
|
: data_(data) { }
|
|
|
|
~A() { data_ = -1; }
|
|
|
|
void test() const
|
|
{
|
|
__builtin_abort();
|
|
}
|
|
};
|
|
|
|
class B
|
|
{
|
|
int data_;
|
|
public:
|
|
explicit
|
|
B(int data = 1)
|
|
: data_(data) { }
|
|
|
|
B(const A& a) : data_(a.data_) { }
|
|
|
|
B(A&& a) : data_(a.data_) { a.data_ = 100; }
|
|
|
|
~B() { data_ = -1; }
|
|
|
|
void test() const
|
|
{
|
|
__builtin_abort();
|
|
}
|
|
};
|
|
|
|
// http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2009/n2951.html
|
|
// Test F.
|
|
int main()
|
|
{
|
|
A a(3);
|
|
C<A> ca(a);
|
|
C<const B&> cb(std::move(ca));
|
|
cb.t_.test();
|
|
}
|