15a83710eSEric Fiselier //===----------------------------------------------------------------------===// 25a83710eSEric Fiselier // 357b08b09SChandler Carruth // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 457b08b09SChandler Carruth // See https://llvm.org/LICENSE.txt for license information. 557b08b09SChandler Carruth // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 65a83710eSEric Fiselier // 75a83710eSEric Fiselier //===----------------------------------------------------------------------===// 85a83710eSEric Fiselier 95a83710eSEric Fiselier // <utility> 105a83710eSEric Fiselier 115a83710eSEric Fiselier // template <class T> typename add_rvalue_reference<T>::type declval() noexcept; 125a83710eSEric Fiselier 135a83710eSEric Fiselier #include <utility> 145a83710eSEric Fiselier #include <type_traits> 155a83710eSEric Fiselier 16abd52cadSEric Fiselier #include "test_macros.h" 17abd52cadSEric Fiselier 185a83710eSEric Fiselier class A 195a83710eSEric Fiselier { 205a83710eSEric Fiselier A(const A&); 215a83710eSEric Fiselier A& operator=(const A&); 225a83710eSEric Fiselier }; 235a83710eSEric Fiselier main(int,char **)24*2df59c50SJF Bastienint main(int, char**) 255a83710eSEric Fiselier { 265a83710eSEric Fiselier static_assert((std::is_same<decltype(std::declval<A>()), A&&>::value), ""); 27*2df59c50SJF Bastien 28*2df59c50SJF Bastien return 0; 295a83710eSEric Fiselier } 30