* ChangeLog: add a comment.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40688 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2013-05-13 06:43:08 +00:00 · 2013-05-13 06:43:08 +00:00 · c8fc37a99c
--- a/1
+++ b/1
@ -8,6 +8,7 @@ Mon May 13 15:31:10 2013  Koichi Sasada  <ko1@atdot.net>
 Mon May 13 15:24:16 2013  Koichi Sasada  <ko1@atdot.net>

 	* gc.c (rb_data_object_alloc): check klass only if klass is not 0.
+	  klass==0 means internal object.

 Mon May 13 14:57:28 2013  Koichi Sasada  <ko1@atdot.net>