Assertion `!((field)->vcol_info && (field)->stored_in_db())' failed in innodb_col_no upon altering table with system versioning

--source include/have_innodb.inc

CREATE OR REPLACE TABLE t1 (a INT, b INT GENERATED ALWAYS AS (0) STORED) ENGINE=InnoDB WITH SYSTEM VERSIONING;

SET system_versioning_alter_history= KEEP;

ALTER TABLE t1 MODIFY a INT WITH SYSTEM VERSIONING;

# Cleanup

DROP TABLE t1;

mysqld: /data/src/10.3/storage/innobase/handler/ha_innodb.cc:6389: unsigned int innodb_col_no(const Field*): Assertion `!((field)->vcol_info && (field)->stored_in_db())' failed.

190309 15:25:13 [ERROR] mysqld got signal 6 ;

#7  0x00007fa9a9c49ee2 in __assert_fail () from /lib/x86_64-linux-gnu/libc.so.6

#8  0x0000564dd97dbe5c in innodb_col_no (field=0x7fa95000a8d0) at /data/src/10.3/storage/innobase/handler/ha_innodb.cc:6389

#9  0x0000564dd98228e0 in vers_change_fields_cache (ha_alter_info=0x7fa99ef508b0, ctx=0x7fa9500168f0, table=0x7fa95000cb80) at /data/src/10.3/storage/innobase/handler/handler0alter.cc:8628

#10 0x0000564dd982bd31 in commit_cache_norebuild (ha_alter_info=0x7fa99ef508b0, ctx=0x7fa9500168f0, table=0x7fa95000cb80, trx=0x7fa9a42881c8) at /data/src/10.3/storage/innobase/handler/handler0alter.cc:9284

#11 0x0000564dd9824bb1 in ha_innobase::commit_inplace_alter_table (this=0x7fa9500a6f18, altered_table=0x7fa950182300, ha_alter_info=0x7fa99ef508b0, commit=true) at /data/src/10.3/storage/innobase/handler/handler0alter.cc:9914

#12 0x0000564dd94c599c in handler::ha_commit_inplace_alter_table (this=0x7fa9500a6f18, altered_table=0x7fa950182300, ha_alter_info=0x7fa99ef508b0, commit=true) at /data/src/10.3/sql/handler.cc:4538

#13 0x0000564dd929a24a in mysql_inplace_alter_table (thd=0x7fa950000b00, table_list=0x7fa950014e10, table=0x7fa95000cb80, altered_table=0x7fa950182300, ha_alter_info=0x7fa99ef508b0, inplace_supported=HA_ALTER_INPLACE_INSTANT, target_mdl_request=0x7fa99ef50ae0, alter_ctx=0x7fa99ef51090) at /data/src/10.3/sql/sql_table.cc:7593

#14 0x0000564dd92a03c4 in mysql_alter_table (thd=0x7fa950000b00, new_db=0x7fa9500051d0, new_name=0x7fa950005590, create_info=0x7fa99ef51c80, table_list=0x7fa950014e10, alter_info=0x7fa99ef51bc0, order_num=0, order=0x0, ignore=false) at /data/src/10.3/sql/sql_table.cc:9758

#15 0x0000564dd9328591 in Sql_cmd_alter_table::execute (this=0x7fa950015578, thd=0x7fa950000b00) at /data/src/10.3/sql/sql_alter.cc:497

#16 0x0000564dd91c96de in mysql_execute_command (thd=0x7fa950000b00) at /data/src/10.3/sql/sql_parse.cc:6335

#17 0x0000564dd91ce7a0 in mysql_parse (thd=0x7fa950000b00, rawbuf=0x7fa950014cf8 "ALTER TABLE t1 MODIFY a INT WITH SYSTEM VERSIONING", length=50, parser_state=0x7fa99ef535f0, is_com_multi=false, is_next_command=false) at /data/src/10.3/sql/sql_parse.cc:8142

#18 0x0000564dd91bb88b in dispatch_command (command=COM_QUERY, thd=0x7fa950000b00, packet=0x7fa950162281 "ALTER TABLE t1 MODIFY a INT WITH SYSTEM VERSIONING", packet_length=50, is_com_multi=false, is_next_command=false) at /data/src/10.3/sql/sql_parse.cc:1854

#19 0x0000564dd91ba275 in do_command (thd=0x7fa950000b00) at /data/src/10.3/sql/sql_parse.cc:1396

#20 0x0000564dd9322b1b in do_handle_one_connection (connect=0x564ddc5d7df0) at /data/src/10.3/sql/sql_connect.cc:1403

#21 0x0000564dd932289f in handle_one_connection (arg=0x564ddc5d7df0) at /data/src/10.3/sql/sql_connect.cc:1309

#22 0x0000564dd97bf141 in pfs_spawn_thread (arg=0x564ddc51d180) at /data/src/10.3/storage/perfschema/pfs.cc:1862

#23 0x00007fa9ab920494 in start_thread (arg=0x7fa99ef54700) at pthread_create.c:333

#24 0x00007fa9a9d0693f in clone () from /lib/x86_64-linux-gnu/libc.so.6