CREATE TABLE bug44571 (foo INT) ENGINE=InnoDB;
ALTER TABLE bug44571 CHANGE foo bar INT;
ALTER TABLE bug44571 ADD INDEX bug44571b (foo);
ERROR 42000: Key column 'foo' doesn't exist in table
ALTER TABLE bug44571 ADD INDEX bug44571c (bar);
DROP INDEX bug44571c ON bug44571;
CREATE INDEX bug44571c ON bug44571 (bar);
DROP TABLE bug44571;