bolt/deps/llvm-18.1.8/libcxx/test/std/utilities/utility/declval/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.}}