From 7009a1d8f5271fcd0b06a86645ad28e40c2bc5d9 Mon Sep 17 00:00:00 2001
From: Yukihiro Matsumoto <matz@ruby-lang.org>
Date: Sun, 3 Jun 2012 23:26:40 +0900
Subject: should not disclose metaclass; close #238

---
 src/class.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/class.c b/src/class.c
index 748996e62..c689552f5 100644
--- a/src/class.c
+++ b/src/class.c
@@ -824,7 +824,7 @@ mrb_class_superclass(mrb_state *mrb, mrb_value klass)
 {
   struct RClass *c, *s;
   c = mrb_class_ptr(klass);
-  s = c->super;
+  s = mrb_class_real(c->super);
   return mrb_obj_value(s);
 }
 
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