Abnormal server termination on second execution of stored routine that runs a cursor after table metadata in the query was changed

CREATE TABLE t (a INT);

--delimiter $

CREATE PROCEDURE p() 

BEGIN 

	DECLARE cur CURSOR FOR SELECT * FROM t;

	BEGIN 

		DECLARE rec ROW(a INT,b INT) DEFAULT ROW(0,0);

		DECLARE rec2 ROW TYPE OF cur DEFAULT rec;

	END;

END

$

--delimiter ;

--ERROR ER_OPERAND_COLUMNS

CALL p();

CREATE OR REPLACE TABLE t (a INT);

CALL p();