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// <utility>
10
11// template <class T> typename add_rvalue_reference<T>::type declval() noexcept;
12
13#include <utility>
14
15int x = std::declval<
16 int>(); // expected-error-re@*:* {{static assertion failed{{.*}}std::declval can only be used in an unevaluated context.}}
17

source code of libcxx/test/std/utilities/utility/declval/declval.verify.cpp