181ad6265SDimitry Andric //===----------------------------------------------------------------------===// 281ad6265SDimitry Andric // 381ad6265SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 481ad6265SDimitry Andric // See https://llvm.org/LICENSE.txt for license information. 581ad6265SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 681ad6265SDimitry Andric // 781ad6265SDimitry Andric //===----------------------------------------------------------------------===// 881ad6265SDimitry Andric 981ad6265SDimitry Andric #ifndef _LIBCPP___UTILITY_UNREACHABLE_H 1081ad6265SDimitry Andric #define _LIBCPP___UTILITY_UNREACHABLE_H 1181ad6265SDimitry Andric 12bdd1243dSDimitry Andric #include <__assert> 1381ad6265SDimitry Andric #include <__config> 1481ad6265SDimitry Andric 1581ad6265SDimitry Andric #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 1681ad6265SDimitry Andric # pragma GCC system_header 1781ad6265SDimitry Andric #endif 1881ad6265SDimitry Andric 1981ad6265SDimitry Andric _LIBCPP_BEGIN_NAMESPACE_STD 2081ad6265SDimitry Andric 21bdd1243dSDimitry Andric _LIBCPP_NORETURN _LIBCPP_HIDE_FROM_ABI inline void __libcpp_unreachable() { 22*1db9f3b2SDimitry Andric _LIBCPP_ASSERT_INTERNAL(false, "std::unreachable() was reached"); 2381ad6265SDimitry Andric __builtin_unreachable(); 2481ad6265SDimitry Andric } 2581ad6265SDimitry Andric 2606c3fb27SDimitry Andric #if _LIBCPP_STD_VER >= 23 2781ad6265SDimitry Andric 2881ad6265SDimitry Andric [[noreturn]] _LIBCPP_HIDE_FROM_ABI inline void unreachable() { __libcpp_unreachable(); } 2981ad6265SDimitry Andric 30bdd1243dSDimitry Andric #endif 3181ad6265SDimitry Andric 3281ad6265SDimitry Andric _LIBCPP_END_NAMESPACE_STD 3381ad6265SDimitry Andric 34bdd1243dSDimitry Andric #endif // _LIBCPP___UTILITY_UNREACHABLE_H 35