From 28cb8f5d201ba0c0507c79519c4e489039246b9c Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Wed, 27 Jun 2012 11:36:15 +0000
Subject: fix null m_tbl

* ext/objspace/objspace.c (memsize_of): m_tbl in prepended
  class/module is NULL.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@36235 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ext/objspace/objspace.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'ext')

diff --git a/ext/objspace/objspace.c b/ext/objspace/objspace.c
index 337dcb87e2..f78b43855c 100644
--- a/ext/objspace/objspace.c
+++ b/ext/objspace/objspace.c
@@ -60,7 +60,9 @@ memsize_of(VALUE obj)
 	break;
       case T_MODULE:
       case T_CLASS:
-	size += st_memsize(RCLASS_M_TBL(obj));
+	if (RCLASS_M_TBL(obj)) {
+	    size += st_memsize(RCLASS_M_TBL(obj));
+	}
 	if (RCLASS_IV_TBL(obj)) {
 	    size += st_memsize(RCLASS_IV_TBL(obj));
 	}
-- 
cgit v1.2.3