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+Thu Dec 15 23:16:13 2011  CHIKANAGA Tomoyuki  <nagachika00@gmail.com>
+
+	* error.c (builtin_type_name): don't return pointer to the buffer of
+	  temporary String object.
+
 Thu Dec 15 17:56:58 2011  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* io.c (argf_type): make typed data.