From ba5d78581af66d6bb821f6dce40fcadc6727d929 Mon Sep 17 00:00:00 2001
From: matz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Tue, 12 Jul 2011 08:15:47 +0000
Subject: [PATCH] * vm_method.c (rb_add_method): should not call method_added
 hook   for undef operation. [Bug #5015]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@32527 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ChangeLog   | 5 +++++
 vm_method.c | 4 +++-
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/ChangeLog b/ChangeLog
index 4dcc8565f2..0e9a1a328f 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Tue Jul 12 17:12:45 2011  Yukihiro Matsumoto  <matz@ruby-lang.org>
+
+	* vm_method.c (rb_add_method): should not call method_added hook
+	  for undef operation. [Bug #5015]
+
 Tue Jul 12 16:58:44 2011  Shota Fukumori  <sorah@tubusu.net>
 
 	* lib/test/unit.rb(Test::Unit::Options#process_args): Fix bug.
diff --git a/vm_method.c b/vm_method.c
index a28bd8edb0..86ff2ee3b3 100644
--- a/vm_method.c
+++ b/vm_method.c
@@ -304,7 +304,9 @@ rb_add_method(VALUE klass, ID mid, rb_method_type_t type, void *opts, rb_method_
       default:
 	rb_bug("rb_add_method: unsupported method type (%d)\n", type);
     }
-    method_added(klass, mid);
+    if (type != VM_METHOD_TYPE_UNDEF) {
+	method_added(klass, mid);
+    }
     return me;
 }