* parse.y (f_norm_arg): check also nested arguments. [ruby-dev:31502]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@13233 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,7 @@
+Thu Aug 23 13:19:43 2007  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* parse.y (f_norm_arg): check also nested arguments.  [ruby-dev:31502]
+
 Thu Aug 23 00:06:48 2007  Yukihiro Matsumoto  <matz@ruby-lang.org>
 
 	* util.c: updated for ANSI C only.  applied a patch from

parse.y

@@ -4154,6 +4154,7 @@ f_norm_arg	: tCONSTANT
 		    }
 		| tIDENTIFIER
 		    {
+			shadowing_lvar($1);
 			$$ = $1;
 		    }
 		;
@@ -4163,7 +4164,6 @@ f_arg_item	: f_norm_arg
 		    /*%%%*/
 			if (!is_local_id($1))
 			    yyerror("formal argument must be local variable");
-			shadowing_lvar($1);
 			arg_var($1);
 			$$ = NEW_ARGS_AUX($1, 1);
 		    /*%