nari	2013-12-03 23:14:09 +0900 (Tue, 03 Dec 2013)

  New Revision: 43982

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=43982

  Log:
    * object.c (rb_obj_clone): don't copy FL_WB_PROTECTED of a
      original object.

  Modified files:
    trunk/ChangeLog
    trunk/object.c
Index: ChangeLog
===================================================================
--- ChangeLog	(revision 43981)
+++ ChangeLog	(revision 43982)
@@ -1,3 +1,8 @@ https://github.com/ruby/ruby/blob/trunk/ChangeLog#L1
+Tue Dec  3 23:06:20 2013  Narihiro Nakamura  <authornari@g...>
+
+	* object.c (rb_obj_clone): don't copy FL_WB_PROTECTED of a
+	  original object.
+
 Tue Dec  3 22:32:18 2013  Nobuyoshi Nakada  <nobu@r...>
 
 	* hash.c (rb_hash_recursive): make similar (recursive) constructs
Index: object.c
===================================================================
--- object.c	(revision 43981)
+++ object.c	(revision 43982)
@@ -336,7 +336,7 @@ rb_obj_clone(VALUE obj) https://github.com/ruby/ruby/blob/trunk/object.c#L336
     }
     clone = rb_obj_alloc(rb_obj_class(obj));
     RBASIC(clone)->flags &= (FL_TAINT|FL_PROMOTED|FL_WB_PROTECTED);
-    RBASIC(clone)->flags |= RBASIC(obj)->flags & ~(FL_PROMOTED|FL_FREEZE|FL_FINALIZE);
+    RBASIC(clone)->flags |= RBASIC(obj)->flags & ~(FL_PROMOTED|FL_FREEZE|FL_FINALIZE|FL_WB_PROTECTED);
 
     singleton = rb_singleton_class_clone_and_attach(obj, clone);
     RBASIC_SET_CLASS(clone, singleton);

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