1 files changed, 6 insertions, 0 deletions
diff --git a/src/gcc.h b/src/gcc.h
index 2282ff5e6..1bd770597 100644
--- a/src/gcc.h
+++ b/src/gcc.h
@@ -79,6 +79,12 @@
 
 #endif
 
+#if defined(__GNUC__) || defined(__clang__)
+#define gcc_unreachable() __builtin_unreachable()
+#else
+#define gcc_unreachable()
+#endif
+
 #ifdef __cplusplus
 
 #ifdef __GNUC__