| //===----------------------------------------------------------------------===// | |
| // | |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. | |
| // See https://llvm.org/LICENSE.txt for license information. | |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception | |
| // | |
| //===----------------------------------------------------------------------===// | |
| // <utility> | |
| // template <class T> typename add_rvalue_reference<T>::type declval() noexcept; | |
| class A | |
| { | |
| A(const A&); | |
| A& operator=(const A&); | |
| }; | |
| int main(int, char**) | |
| { | |
| static_assert((std::is_same<decltype(std::declval<A>()), A&&>::value), ""); | |
| return 0; | |
| } | |