diff --git a/sys/conf/kern.mk b/sys/conf/kern.mk
--- a/sys/conf/kern.mk
+++ b/sys/conf/kern.mk
@@ -79,7 +79,8 @@
 		-Wno-error=alloca-larger-than=
 .if ${COMPILER_VERSION} >= 120100
 CWARNEXTRA+=	-Wno-error=nonnull				\
-		-Wno-dangling-pointer
+		-Wno-dangling-pointer				\
+		-Wno-zero-length-bounds
 .endif
 .endif