1 /*
2  * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
3  *
4  * This Source Code Form is subject to the terms of the Mozilla Public
5  * License, v. 2.0. If a copy of the MPL was not distributed with this
6  * file, you can obtain one at https://mozilla.org/MPL/2.0/.
7  *
8  * See the COPYRIGHT file distributed with this work for additional
9  * information regarding copyright ownership.
10  */
11 
12 #pragma once
13 
14 #ifdef HAVE_BUILTIN_UNREACHABLE
15 #define ISC_UNREACHABLE() __builtin_unreachable();
16 #else
17 #define ISC_UNREACHABLE()
18 #endif
19