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1 | // { dg-do compile } |
2 | // { dg-options "-std=gnu++0x" } | |
3 | ||
405feeb8 | 4 | // Copyright (C) 2010-2013 Free Software Foundation, Inc. |
ad269884 PC |
5 | // |
6 | // This file is part of the GNU ISO C++ Library. This library is free | |
7 | // software; you can redistribute it and/or modify it under the | |
8 | // terms of the GNU General Public License as published by the | |
9 | // Free Software Foundation; either version 3, or (at your option) | |
10 | // any later version. | |
11 | // | |
12 | // This library is distributed in the hope that it will be useful, | |
13 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | // GNU General Public License for more details. | |
16 | // | |
17 | // You should have received a copy of the GNU General Public License along | |
18 | // with this library; see the file COPYING3. If not see | |
19 | // <http://www.gnu.org/licenses/>. | |
20 | ||
a9ba8ba5 | 21 | // { dg-error "static assertion failed" "" { target *-*-* } 89 } |
ad269884 PC |
22 | |
23 | #include <utility> | |
24 | ||
25 | template <class T> | |
26 | struct C | |
27 | { | |
28 | T t_; | |
29 | ||
30 | C() {} | |
31 | ||
32 | explicit C(const T& t) : t_(t) { } | |
33 | ||
34 | template <class U, | |
35 | class = typename std::enable_if | |
36 | < | |
37 | std::is_convertible<U, T>::value | |
38 | >::type> | |
39 | C(C<U>&& c) : t_(std::forward<T>(c.t_)) { } | |
40 | }; | |
41 | ||
42 | class B; | |
43 | ||
44 | class A | |
45 | { | |
46 | int data_; | |
47 | ||
48 | friend class B; | |
49 | public: | |
50 | explicit | |
51 | A(int data = 1) | |
52 | : data_(data) { } | |
53 | ||
54 | ~A() { data_ = -1; } | |
55 | ||
56 | void test() const | |
57 | { | |
58 | __builtin_abort(); | |
59 | } | |
60 | }; | |
61 | ||
62 | class B | |
63 | { | |
64 | int data_; | |
65 | public: | |
66 | explicit | |
67 | B(int data = 1) | |
68 | : data_(data) { } | |
69 | ||
70 | B(const A& a) : data_(a.data_) { } | |
71 | ||
72 | B(A&& a) : data_(a.data_) { a.data_ = 100; } | |
73 | ||
74 | ~B() { data_ = -1; } | |
75 | ||
76 | void test() const | |
77 | { | |
78 | __builtin_abort(); | |
79 | } | |
80 | }; | |
81 | ||
82 | // http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2009/n2951.html | |
83 | // Test F. | |
84 | int main() | |
85 | { | |
86 | A a(3); | |
87 | C<A> ca(a); | |
88 | C<const B&> cb(std::move(ca)); | |
89 | cb.t_.test(); | |
90 | } |