From 0f6c1a034bef4ec2661930f2f8db550463edf665 Mon Sep 17 00:00:00 2001
From: Yukihiro Matz Matsumoto <matz@ruby-lang.org>
Date: Wed, 14 Nov 2012 23:55:06 +0900
Subject: zero initialize singleton_class iv

---
 src/class.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

(limited to 'src')

diff --git a/src/class.c b/src/class.c
index e737a1201..79daa6f86 100644
--- a/src/class.c
+++ b/src/class.c
@@ -74,6 +74,7 @@ make_metaclass(mrb_state *mrb, struct RClass *c)
   }
   sc = (struct RClass*)mrb_obj_alloc(mrb, MRB_TT_SCLASS, mrb->class_class);
   sc->mt = 0;
+  sc->iv = 0;
   if (!c->super) {
     sc->super = mrb->class_class;
   }
@@ -763,9 +764,7 @@ mrb_singleton_class_ptr(mrb_state *mrb, struct RClass *c)
 {
   struct RClass *sc;
 
-  if (c->tt == MRB_TT_SCLASS) {
-    return c;
-  }
+  if (o->c->tt == MRB_TT_SCLASS) return;
   sc = (struct RClass*)mrb_obj_alloc(mrb, MRB_TT_SCLASS, mrb->class_class);
   sc->mt = 0;
   sc->super = c;
-- 
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