Error on partitioning by virtual column

CREATE TABLE test . t1 ( c1 INT, c2 INT AS (c1) VIRTUAL );

INSERT INTO test . t1 (c1) VALUES(1);

COMMIT ;

ALTER TABLE test . t1 ENGINE = InnoDB PARTITION BY KEY(c2) PARTITIONS 4 ;

SHOW CREATE TABLE t1;

Table   Create Table

t1      CREATE TABLE `t1` (

  `c1` int(11) DEFAULT NULL,

  `c2` int(11) AS (c1) VIRTUAL

) ENGINE=InnoDB DEFAULT CHARSET=latin1

/*!50100 PARTITION BY KEY (c2)

PARTITIONS 4 */

CHECK TABLE t1 EXTENDED;

Table   Op      Msg_type        Msg_text

test.t1 check   error   Found a misplaced row

test.t1 check   error   Partition p0 returned error

test.t1 check   error   Upgrade required. Please do "REPAIR TABLE `t1`" or dump/reload to fix it!