parse.y: refine error message

* parse.y (rb_check_id): refine error message, expected a symbol
  or a string.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45177 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

parse.y

@@ -10738,7 +10738,7 @@ rb_check_id(volatile VALUE *namep)
 	tmp = rb_check_string_type(name);
 	if (NIL_P(tmp)) {
 	    tmp = rb_inspect(name);
-	    rb_raise(rb_eTypeError, "%s is not a symbol",
+	    rb_raise(rb_eTypeError, "%s is not a symbol nor a string",
 		     RSTRING_PTR(tmp));
 	}
 	name = tmp;