From 5b3d531d794c94c08c808a7d50309bdebe20bf56 Mon Sep 17 00:00:00 2001
From: "Yukihiro \"Matz\" Matsumoto" <matz@ruby-lang.org>
Date: Sat, 13 Jul 2013 23:28:59 +0900
Subject: singleton class super initialize failed

---
 src/class.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/class.c b/src/class.c
index ee5f544dd..9868d0080 100644
--- a/src/class.c
+++ b/src/class.c
@@ -69,7 +69,10 @@ prepare_singleton_class(mrb_state *mrb, struct RBasic *o)
   sc->iv = 0;
   if (o->tt == MRB_TT_CLASS) {
     c = (struct RClass*)o;
-    if (c->super) {
+    if (!c->super) {
+      sc->super = mrb->class_class;
+    }
+    else {
       sc->super = c->super->c;
     }
   }
-- 
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