GTT Context corruption on repeated SQL when autocommit is disabled

SET autocommit=0; 

# Original

CREATE GLOBAL TEMPORARY TABLE t (c INT) ON COMMIT DELETE ROWS;

INSERT INTO t VALUES (1);

SELECT COUNT(*) FROM t;  -- 1, correct

# Drop

DROP TABLE t;

# Repeat

CREATE GLOBAL TEMPORARY TABLE t (c INT) ON COMMIT DELETE ROWS; 

INSERT INTO t VALUES (1); 

SELECT COUNT(*) FROM t;  -- 0, incorrect

12.2.0-opt>SET autocommit=0; 

Query OK, 0 rows affected (0.000 sec)

12.2.0-opt># Original

12.2.0-opt>CREATE GLOBAL TEMPORARY TABLE t (c INT) ON COMMIT DELETE ROWS;

Query OK, 0 rows affected (0.011 sec)

12.2.0-opt>INSERT INTO t VALUES (1);

Query OK, 1 row affected (0.000 sec)

12.2.0-opt>SELECT COUNT(*) FROM t;  -- 1, correct

+----------+

| COUNT(*) |

+----------+

|        1 |

+----------+

1 row in set (0.000 sec)

12.2.0-opt># Drop

12.2.0-opt>DROP TABLE t;

Query OK, 0 rows affected (0.005 sec)

12.2.0-opt># Repeat

12.2.0-opt>CREATE GLOBAL TEMPORARY TABLE t (c INT) ON COMMIT DELETE ROWS; 

Query OK, 0 rows affected (0.005 sec)

12.2.0-opt>INSERT INTO t VALUES (1); 

Query OK, 1 row affected (0.000 sec)

12.2.0-opt>SELECT COUNT(*) FROM t;  -- 0, incorrect

+----------+

| COUNT(*) |

+----------+

|        0 |

+----------+

1 row in set (0.001 sec)