//===----------------------------------------------------------------------===// // // The LLVM Compiler Infrastructure // // This file is dual licensed under the MIT and the University of Illinois Open // Source Licenses. See LICENSE.TXT for details. // //===----------------------------------------------------------------------===// // test forward #include <utility> #include "test_macros.h" struct A { }; A source() {return A();} const A csource() {return A();} int main() { #if TEST_STD_VER >= 11 { std::forward<A&>(source()); // expected-note {{requested here}} // expected-error-re@type_traits:* 1 {{static_assert failed{{.*}} "can not forward an rvalue as an lvalue"}} } #else { std::forward<A&>(source()); // expected-error {{no matching function for call to 'forward'}} } #endif { const A ca = A(); std::forward<A&>(ca); // expected-error {{no matching function for call to 'forward'}} } { std::forward<A&>(csource()); // expected-error {{no matching function for call to 'forward'}} } { const A ca = A(); std::forward<A>(ca); // expected-error {{no matching function for call to 'forward'}} } { std::forward<A>(csource()); // expected-error {{no matching function for call to 'forward'}} } { A a; std::forward(a); // expected-error {{no matching function for call to 'forward'}} } }