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+Mon Apr 13 16:52:14 2015  Koichi Sasada  <ko1@atdot.net>
+
+	* class.c (rb_prepend_module): need a WB for klass -> origin.
+
 Mon Apr 13 16:48:14 2015  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* vm_eval.c (vm_call_super): search next super class from the