1 files changed, 7 insertions, 0 deletions
diff --git a/eval.c b/eval.c
index f5344815ae..ec3327f8cf 100644
--- a/eval.c
+++ b/eval.c
@@ -139,6 +139,13 @@ rb_secure(level)
 }
 
 void
+rb_secure_update(obj)
+    VALUE obj;
+{
+    if (!OBJ_TAINTED(obj)) rb_secure(4);
+}
+
+void
 rb_check_safe_obj(x)
     VALUE x;
 {