RENAME doesn't work for system time or period fields

CREATE TABLE t1 (a INT) WITH SYSTEM VERSIONING;

ALTER TABLE t1 RENAME COLUMN row_start TO x;

# Cleanup

DROP TABLE t1;

mysqld: /data/src/10.5/sql/unireg.cc:132: uint16 get_fieldno_by_name(HA_CREATE_INFO*, List<Create_field>&, const Lex_ident&): Assertion `0' failed.

200314 16:09:29 [ERROR] mysqld got signal 6 ;

#7  0x00007f3a54f28f12 in __GI___assert_fail (assertion=0x564dcbbd2f71 "0", file=0x564dcbbd2f31 "/data/src/10.5/sql/unireg.cc", line=132, function=0x564dcbbd33a0 <get_fieldno_by_name(HA_CREATE_INFO*, List<Create_field>&, Lex_cstring_with_compare<Compare_identifiers> const&)::__PRETTY_FUNCTION__> "uint16 get_fieldno_by_name(HA_CREATE_INFO*, List<Create_field>&, const Lex_ident&)") at assert.c:101

#8  0x0000564dcaf5bf05 in get_fieldno_by_name (create_info=0x7f3a502c4450, create_fields=..., field_name=...) at /data/src/10.5/sql/unireg.cc:132

#9  0x0000564dcaf5cfd2 in build_frm_image (thd=0x7f3a34000b18, table=..., create_info=0x7f3a502c4450, create_fields=..., keys=0, key_info=0x7f3a340150a8, db_file=0x7f3a34014910) at /data/src/10.5/sql/unireg.cc:494

#10 0x0000564dcaef147c in mysql_create_frm_image (thd=0x7f3a34000b18, db=..., table_name=..., create_info=0x7f3a502c4450, alter_info=0x7f3a502c4380, create_table_mode=-2, key_info=0x7f3a502c1df8, key_count=0x7f3a502c1dc8, frm=0x7f3a502c1e70) at /data/src/10.5/sql/sql_table.cc:4828

#11 0x0000564dcaef1ef3 in create_table_impl (thd=0x7f3a34000b18, orig_db=..., orig_table_name=..., db=..., table_name=..., path=0x7f3a502c40bd "./test/#sql-10c7_4", options=..., create_info=0x7f3a502c4450, alter_info=0x7f3a502c4380, create_table_mode=-2, is_trans=0x0, key_info=0x7f3a502c1df8, key_count=0x7f3a502c1dc8, frm=0x7f3a502c1e70) at /data/src/10.5/sql/sql_table.cc:5067

#12 0x0000564dcaf00413 in mysql_alter_table (thd=0x7f3a34000b18, new_db=0x7f3a340053c8, new_name=0x7f3a340057d0, create_info=0x7f3a502c4450, table_list=0x7f3a34013a28, alter_info=0x7f3a502c4380, order_num=0, order=0x0, ignore=false) at /data/src/10.5/sql/sql_table.cc:10089

#13 0x0000564dcafa3f1a in Sql_cmd_alter_table::execute (this=0x7f3a34014158, thd=0x7f3a34000b18) at /data/src/10.5/sql/sql_alter.cc:525

#14 0x0000564dcae07f2c in mysql_execute_command (thd=0x7f3a34000b18) at /data/src/10.5/sql/sql_parse.cc:5887

#15 0x0000564dcae0e2fe in mysql_parse (thd=0x7f3a34000b18, rawbuf=0x7f3a34013920 "ALTER TABLE t1 RENAME COLUMN row_start TO x", length=43, parser_state=0x7f3a502c5520, is_com_multi=false, is_next_command=false) at /data/src/10.5/sql/sql_parse.cc:7926

#16 0x0000564dcadf9e07 in dispatch_command (command=COM_QUERY, thd=0x7f3a34000b18, packet=0x7f3a341b0209 "ALTER TABLE t1 RENAME COLUMN row_start TO x", packet_length=43, is_com_multi=false, is_next_command=false) at /data/src/10.5/sql/sql_parse.cc:1840

#17 0x0000564dcadf853d in do_command (thd=0x7f3a34000b18) at /data/src/10.5/sql/sql_parse.cc:1359

#18 0x0000564dcaf99c6b in do_handle_one_connection (connect=0x564dcd816c48, put_in_cache=true) at /data/src/10.5/sql/sql_connect.cc:1422

#19 0x0000564dcaf9999a in handle_one_connection (arg=0x564dcd816c48) at /data/src/10.5/sql/sql_connect.cc:1319

#20 0x0000564dcb4c540e in pfs_spawn_thread (arg=0x564dcd84d008) at /data/src/10.5/storage/perfschema/pfs.cc:2201

#21 0x00007f3a56eb14a4 in start_thread (arg=0x7f3a502c6700) at pthread_create.c:456

#22 0x00007f3a54fe5d0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

mysqltest: At line 2: query 'ALTER TABLE t1 RENAME COLUMN row_start TO x' failed: 4110: `a` must be of type TIMESTAMP(6) for system-versioned table `t1`