MDEV-10580 sql_mode=ORACLE: FOR loop statement

Fixed a crash when trying to use a FOR loop as a compound statement
outside of an SP. A bug in 051e415d8a251bd70e9b73619dbcc40f3c65371d.

mysql-test/suite/compat/oracle/t/sp.test

@@ -847,6 +847,18 @@ DROP PROCEDURE p1;
 
 --echo # Testing the FOR loop statement
 
+CREATE TABLE t1 (a INT);
+DELIMITER /;
+FOR i IN 1 .. 3
+LOOP
+  INSERT INTO t1 VALUES (i);
+END LOOP;
+/
+DELIMITER ;/
+SELECT * FROM t1;
+DROP TABLE t1;
+
+
 DELIMITER /;
 --error ER_PARSE_ERROR
 CREATE FUNCTION f1 (lower_bound INT, upper_bound INT, lim INT) RETURN INT