[ERROR] InnoDB: tried to purge non-delete-marked record and Assertion `0' failed in row_purge_remove_sec_if_poss_leaf

--source include/have_innodb.inc

CREATE TABLE t1 ( 

    pk INT AUTO_INCREMENT,

    a BIT(10),

    b BIT(10) AS (a) VIRTUAL,

    PRIMARY KEY(pk),

    UNIQUE(b)

) ENGINE=InnoDB;

INSERT INTO t1 (a) VALUES (b'110'),(b'1'),(b'011');

SELECT pk, a INTO OUTFILE 'load.data' FROM t1;

LOAD DATA INFILE 'load.data' REPLACE INTO TABLE t1 (pk, a);

ALTER TABLE t1 ADD COLUMN c INT;

# Cleanup

DROP TABLE t1;

--let $datadir= `SELECT @@datadir`

--remove_file $datadir/test/load.data

2019-09-20 21:04:21 3 [ERROR] InnoDB: tried to purge non-delete-marked record in index `b` of table `test`.`t1`: tuple: TUPLE (info_bits=0, 2 fields): {[2]  (0x0006),[4]    (0x80000001)}, record: COMPACT RECORD(info_bi

ts=0, 2 fields): {[2]  (0x0006),[4]    (0x80000001)}

mysqld: /data/src/10.3/storage/innobase/row/row0purge.cc:596: bool row_purge_remove_sec_if_poss_leaf(purge_node_t*, dict_index_t*, const dtuple_t*): Assertion `0' failed.

190920 21:04:21 [ERROR] mysqld got signal 6 ;

#7  0x00007f8bc61ccf12 in __GI___assert_fail (assertion=0x555c1df9c761 "0", file=0x555c1df9cf08 "/data/src/10.3/storage/innobase/row/row0purge.cc", line=596, function=0x555c1df9e4c0 <row_purge_remove_sec_if_poss_leaf(purge_node_t*, dict_index_t*, dtuple_t const*)::__PRETTY_FUNCTION__> "bool row_purge_remove_sec_if_poss_leaf(purge_node_t*, dict_index_t*, const dtuple_t*)") at assert.c:101

#8  0x0000555c1d8087e6 in row_purge_remove_sec_if_poss_leaf (node=0x555c201a8138, index=0x7f8b6c070a78, entry=0x7f8b90008d88) at /data/src/10.3/storage/innobase/row/row0purge.cc:596

#9  0x0000555c1d808b6c in row_purge_remove_sec_if_poss (node=0x555c201a8138, index=0x7f8b6c070a78, entry=0x7f8b90008d88) at /data/src/10.3/storage/innobase/row/row0purge.cc:692

#10 0x0000555c1d808d94 in row_purge_del_mark (node=0x555c201a8138) at /data/src/10.3/storage/innobase/row/row0purge.cc:766

#11 0x0000555c1d80a96f in row_purge_record_func (node=0x555c201a8138, undo_rec=0x555c201a86e8 "", thr=0x555c201a7f68, updated_extern=false) at /data/src/10.3/storage/innobase/row/row0purge.cc:1191

#12 0x0000555c1d80ac86 in row_purge (node=0x555c201a8138, undo_rec=0x555c201a86e8 "", thr=0x555c201a7f68) at /data/src/10.3/storage/innobase/row/row0purge.cc:1258

#13 0x0000555c1d80aede in row_purge_step (thr=0x555c201a7f68) at /data/src/10.3/storage/innobase/row/row0purge.cc:1317

#14 0x0000555c1d777d50 in que_thr_step (thr=0x555c201a7f68) at /data/src/10.3/storage/innobase/que/que0que.cc:1037

#15 0x0000555c1d777fe9 in que_run_threads_low (thr=0x555c201a7f68) at /data/src/10.3/storage/innobase/que/que0que.cc:1099

#16 0x0000555c1d778239 in que_run_threads (thr=0x555c201a7f68) at /data/src/10.3/storage/innobase/que/que0que.cc:1139

#17 0x0000555c1d8613e3 in srv_task_execute () at /data/src/10.3/storage/innobase/srv/srv0srv.cc:2473

#18 0x0000555c1d8615fb in srv_worker_thread (arg=0x0) at /data/src/10.3/storage/innobase/srv/srv0srv.cc:2521

#19 0x00007f8bc7d414a4 in start_thread (arg=0x7f8ba37fe700) at pthread_create.c:456

#20 0x00007f8bc6289d0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97