27 lines · cpp
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-exception6//7//===----------------------------------------------------------------------===//8 9// UNSUPPORTED: c++03, c++11, c++14, c++17, c++2010 11// These compilers don't support __builtin_is_implicit_lifetime yet.12// UNSUPPORTED: apple-clang-1713 14// <type_traits>15 16// template<class T> struct is_implicit_lifetime;17 18#include <type_traits>19 20struct IncompleteStruct;21 22// expected-error@*:* {{incomplete type 'IncompleteStruct' used in type trait expression}}23static_assert(!std::is_implicit_lifetime<IncompleteStruct>::value);24 25// expected-error@*:* {{incomplete type 'IncompleteStruct' used in type trait expression}}26static_assert(!std::is_implicit_lifetime_v<IncompleteStruct>);27