1*4bdff4beSrobert //===----------------------------------------------------------------------===// 2*4bdff4beSrobert // 3*4bdff4beSrobert // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4*4bdff4beSrobert // See https://llvm.org/LICENSE.txt for license information. 5*4bdff4beSrobert // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6*4bdff4beSrobert // 7*4bdff4beSrobert //===----------------------------------------------------------------------===// 8*4bdff4beSrobert 9*4bdff4beSrobert #ifndef _LIBCPP___UTILITY_UNREACHABLE_H 10*4bdff4beSrobert #define _LIBCPP___UTILITY_UNREACHABLE_H 11*4bdff4beSrobert 12*4bdff4beSrobert #include <__assert> 13*4bdff4beSrobert #include <__config> 14*4bdff4beSrobert 15*4bdff4beSrobert #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 16*4bdff4beSrobert # pragma GCC system_header 17*4bdff4beSrobert #endif 18*4bdff4beSrobert 19*4bdff4beSrobert _LIBCPP_BEGIN_NAMESPACE_STD 20*4bdff4beSrobert __libcpp_unreachable()21*4bdff4beSrobert_LIBCPP_NORETURN _LIBCPP_HIDE_FROM_ABI inline void __libcpp_unreachable() { 22*4bdff4beSrobert _LIBCPP_ASSERT(false, "std::unreachable() was reached"); 23*4bdff4beSrobert __builtin_unreachable(); 24*4bdff4beSrobert } 25*4bdff4beSrobert 26*4bdff4beSrobert #if _LIBCPP_STD_VER > 20 27*4bdff4beSrobert unreachable()28*4bdff4beSrobert[[noreturn]] _LIBCPP_HIDE_FROM_ABI inline void unreachable() { __libcpp_unreachable(); } 29*4bdff4beSrobert 30*4bdff4beSrobert #endif 31*4bdff4beSrobert 32*4bdff4beSrobert _LIBCPP_END_NAMESPACE_STD 33*4bdff4beSrobert 34*4bdff4beSrobert #endif // _LIBCPP___UTILITY_UNREACHABLE_H 35