From 48c04ad0d82ec4339ffd12ad4717b4dbde2aa74f Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Wed, 27 Jun 2012 12:01:39 +0000
Subject: fix null m_tbl

* class.c (class_instance_method_list): m_tbl in prepended
  class/module is NULL.  [ruby-core:45915][Bug #6655]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@36236 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 class.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'class.c')

diff --git a/class.c b/class.c
index fc3b483735..099f016d97 100644
--- a/class.c
+++ b/class.c
@@ -925,7 +925,7 @@ class_instance_method_list(int argc, VALUE *argv, VALUE mod, int obj, int (*func
 
     list = st_init_numtable();
     for (; mod; mod = RCLASS_SUPER(mod)) {
-	st_foreach(RCLASS_M_TBL(mod), method_entry_i, (st_data_t)list);
+	if (RCLASS_M_TBL(mod)) st_foreach(RCLASS_M_TBL(mod), method_entry_i, (st_data_t)list);
 	if (BUILTIN_TYPE(mod) == T_ICLASS) continue;
 	if (obj && FL_TEST(mod, FL_SINGLETON)) continue;
 	if (!recur) break;
-- 
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