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+Wed May 20 18:58:27 2009  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* vm_eval.c, vm_insnhelper.c: argument number is restricted to
+	  int, and fixed overflow.
+
 Wed May 20 18:34:30 2009  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* enum.c (zip_ary): should use long.