*** Bug #39708 ***
SET @@storage_engine = 'Falcon';
DROP TABLE IF EXISTS t1;
CREATE TABLE t1(a VARCHAR(140) CHARACTER SET utf8, KEY(a));
ERROR 42000: Specified key was too long; max key length is 540 bytes
SHOW WARNINGS;
Level	Code	Message
Error	1071	Specified key was too long; max key length is 540 bytes
Error	1005	Can't create table 'test.t1' (errno: 213)
