Assertion `!cmp_rec_rec(cursor->old_rec, rec, offsets1, offsets2, index)' failed in btr_pcur_restore_position_func on UPDATE

--source include/have_innodb.inc

CREATE TABLE t1 (f1 INT, f2 INT, f3 INT, f4 VARCHAR(8)) ENGINE=InnoDB;

INSERT INTO t1 VALUES (1,2,3,'foo');

ALTER TABLE t1 ADD PRIMARY KEY (f2);

ALTER TABLE t1 DROP PRIMARY KEY;

ALTER TABLE t1 ADD PRIMARY KEY (f1);

ALTER TABLE t1 DROP PRIMARY KEY;

ALTER TABLE t1 ADD PRIMARY KEY (f4,f3);

ALTER TABLE t1 ADD COLUMN f5 INT;

UPDATE t1 SET f5 = f3;

UPDATE t1 SET f5 = f1;

# Cleanup

DROP TABLE t1;

mysqld: /data/src/10.3/storage/innobase/btr/btr0pcur.cc:313: ulint btr_pcur_restore_position_func(ulint, btr_pcur_t*, const char*, unsigned int, mtr_t*): Assertion `!cmp_rec_rec(cursor->old_rec, rec, offsets1, offsets2, index)' failed.

180501  2:06:46 [ERROR] mysqld got signal 6 ;

#7  0x00007f1ee626cee2 in __assert_fail () from /lib/x86_64-linux-gnu/libc.so.6

#8  0x000055a998b0c68b in btr_pcur_restore_position_func (latch_mode=2, cursor=0x7f1e8400dbc0, file=0x55a999069138 "/data/src/10.3/storage/innobase/row/row0upd.cc", line=3094, mtr=0x7f1edb59c790) at /data/src/10.3/storage/innobase/btr/btr0pcur.cc:311

#9  0x000055a998a52ace in row_upd_clust_step (node=0x7f1e84048238, thr=0x7f1e840485d0) at /data/src/10.3/storage/innobase/row/row0upd.cc:3094

#10 0x000055a998a53392 in row_upd (node=0x7f1e84048238, thr=0x7f1e840485d0) at /data/src/10.3/storage/innobase/row/row0upd.cc:3280

#11 0x000055a998a53881 in row_upd_step (thr=0x7f1e840485d0) at /data/src/10.3/storage/innobase/row/row0upd.cc:3424

#12 0x000055a9989f03b6 in row_update_for_mysql (prebuilt=0x7f1e840479d8) at /data/src/10.3/storage/innobase/row/row0mysql.cc:1882

#13 0x000055a99889c53a in ha_innobase::update_row (this=0x7f1e84178728, old_row=0x7f1e84045188 "\376\001", new_row=0x7f1e84045168 "\376\001") at /data/src/10.3/storage/innobase/handler/ha_innodb.cc:8894

#14 0x000055a998589936 in handler::ha_update_row (this=0x7f1e84178728, old_data=0x7f1e84045188 "\376\001", new_data=0x7f1e84045168 "\376\001") at /data/src/10.3/sql/handler.cc:6216

#15 0x000055a998390907 in mysql_update (thd=0x7f1e84000b00, table_list=0x7f1e84014e40, fields=..., values=..., conds=0x0, order_num=0, order=0x0, limit=18446744073709551615, handle_duplicates=DUP_ERROR, ignore=false, found_return=0x7f1edb59d6d0, updated_return=0x7f1edb59d790) at /data/src/10.3/sql/sql_update.cc:943

#16 0x000055a99829bca6 in mysql_execute_command (thd=0x7f1e84000b00) at /data/src/10.3/sql/sql_parse.cc:4578

#17 0x000055a9982a6a46 in mysql_parse (thd=0x7f1e84000b00, rawbuf=0x7f1e84014d68 "UPDATE t1 SET f5 = f1", length=21, parser_state=0x7f1edb59e5d0, is_com_multi=false, is_next_command=false) at /data/src/10.3/sql/sql_parse.cc:8001

#18 0x000055a998294229 in dispatch_command (command=COM_QUERY, thd=0x7f1e84000b00, packet=0x7f1e84125f41 "UPDATE t1 SET f5 = f1", packet_length=21, is_com_multi=false, is_next_command=false) at /data/src/10.3/sql/sql_parse.cc:1846

#19 0x000055a998292c68 in do_command (thd=0x7f1e84000b00) at /data/src/10.3/sql/sql_parse.cc:1391

#20 0x000055a9983f5aef in do_handle_one_connection (connect=0x55a99a9b8600) at /data/src/10.3/sql/sql_connect.cc:1402

#21 0x000055a9983f587c in handle_one_connection (arg=0x55a99a9b8600) at /data/src/10.3/sql/sql_connect.cc:1308

#22 0x000055a998879a8d in pfs_spawn_thread (arg=0x55a99aa598c0) at /data/src/10.3/storage/perfschema/pfs.cc:1862

#23 0x00007f1ee7f43494 in start_thread (arg=0x7f1edb59f700) at pthread_create.c:333

#24 0x00007f1ee632993f in clone () from /lib/x86_64-linux-gnu/libc.so.6

commit cb16bc95ff9a7b4ce0835acf8fa6d6a06ad10c3c

Author: Marko Mäkelä <marko.makela@mariadb.com>

Date:   Mon Apr 30 11:25:36 2018 +0300

    MDEV-14906 Assertion index->is_instant() failed on DELETE