File: declval.verify.cpp

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//===----------------------------------------------------------------------===//
//
// 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;

#include <utility>

int x = std::declval<
    int>(); // expected-error-re@*:* {{static assertion failed{{.*}}std::declval can only be used in an unevaluated context.}}