diff --git a/compiler-rt/lib/hwasan/hwasan.cpp b/compiler-rt/lib/hwasan/hwasan.cpp
--- a/compiler-rt/lib/hwasan/hwasan.cpp
+++ b/compiler-rt/lib/hwasan/hwasan.cpp
@@ -232,7 +232,6 @@
 
   HandleTagMismatch(ai, (uptr)__builtin_return_address(0),
                     (uptr)__builtin_frame_address(0), nullptr, registers_frame);
-  __builtin_unreachable();
 }
 
 Thread *GetCurrentThread() {