X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/39236c6e673c41db228275375ab7fdb0f837b292..eee3565979933af707c711411001ba11fe406a3c:/libsyscall/wrappers/string/memset.c

diff --git a/libsyscall/wrappers/string/memset.c b/libsyscall/wrappers/string/memset.c
index 3ae3c7717..cab6587d6 100644
--- a/libsyscall/wrappers/string/memset.c
+++ b/libsyscall/wrappers/string/memset.c
@@ -36,6 +36,8 @@
 #define	wsize	sizeof(u_int)
 #define	wmask	(wsize - 1)
 
+// n.b. this must be compiled with -fno-builtin or it might get optimized into
+// a recursive call to bzero.
 __attribute__((visibility("hidden")))
 void
 bzero(void *dst0, size_t length)