| 1 | //===----------------------------------------------------------------------===// |
| 2 | // |
| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| 4 | // See https://llvm.org/LICENSE.txt for license information. |
| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| 6 | // |
| 7 | //===----------------------------------------------------------------------===// |
| 8 | |
| 9 | // test forward |
| 10 | |
| 11 | #include <utility> |
| 12 | |
| 13 | #include "test_macros.h" |
| 14 | |
| 15 | struct A |
| 16 | { |
| 17 | }; |
| 18 | |
| 19 | A source() {return A();} |
| 20 | const A csource() {return A();} |
| 21 | |
| 22 | int main(int, char**) |
| 23 | { |
| 24 | { |
| 25 | (void)std::forward<A&>(t: source()); // expected-note {{requested here}} |
| 26 | // expected-error-re@*:* 1 {{static assertion failed{{.*}}cannot forward an rvalue as an lvalue}} |
| 27 | } |
| 28 | { |
| 29 | const A ca = A(); |
| 30 | std::forward<A&>(ca); // expected-error {{no matching function for call to 'forward'}} |
| 31 | } |
| 32 | { |
| 33 | std::forward<A&>(csource()); // expected-error {{no matching function for call to 'forward'}} |
| 34 | } |
| 35 | { |
| 36 | const A ca = A(); |
| 37 | std::forward<A>(ca); // expected-error {{no matching function for call to 'forward'}} |
| 38 | } |
| 39 | { |
| 40 | std::forward<A>(csource()); // expected-error {{no matching function for call to 'forward'}} |
| 41 | } |
| 42 | { |
| 43 | A a; |
| 44 | std::forward(a); // expected-error {{no matching function for call to 'forward'}} |
| 45 | } |
| 46 | |
| 47 | return 0; |
| 48 | } |
| 49 | |