Assertion `!is_string || (*af)->charset() == cf->charset' failed in innobase_rename_or_enlarge_columns_cache upon CHANGE COLUMN

--source include/have_innodb.inc

CREATE TABLE t1 (a INT) ENGINE=InnoDB;

ALTER TABLE t1 ADD COLUMN b BIT NOT NULL;

ALTER TABLE t1 CHANGE b c BIT NOT NULL;

# Cleanup

DROP TABLE t1;

mysqld: /data/src/10.4/storage/innobase/handler/handler0alter.cc:9212: void innobase_rename_or_enlarge_columns_cache(Alter_inplace_info*, const TABLE*, const TABLE*, dict_table_t*): Assertion `!is_string || (*af)->charset() == cf->charset' failed.

190218  3:01:47 [ERROR] mysqld got signal 6 ;

#7  0x00007f03e2807ee2 in __assert_fail () from /lib/x86_64-linux-gnu/libc.so.6

#8  0x000056210acade2f in innobase_rename_or_enlarge_columns_cache (ha_alter_info=0x7f03dc37daa0, altered_table=0x7f0388059900, table=0x7f038817d720, user_table=0x7f038819b5c8) at /data/src/10.4/storage/innobase/handler/handler0alter.cc:9211

#9  0x000056210acbfbdc in commit_cache_norebuild (ha_alter_info=0x7f03dc37daa0, ctx=0x7f03880167e0, altered_table=0x7f0388059900, table=0x7f038817d720, trx=0x7f03dc618268) at /data/src/10.4/storage/innobase/handler/handler0alter.cc:10346

#10 0x000056210acb15aa in ha_innobase::commit_inplace_alter_table (this=0x7f038814bae8, altered_table=0x7f0388059900, ha_alter_info=0x7f03dc37daa0, commit=true) at /data/src/10.4/storage/innobase/handler/handler0alter.cc:11029

#11 0x000056210a92f5a6 in handler::ha_commit_inplace_alter_table (this=0x7f038814bae8, altered_table=0x7f0388059900, ha_alter_info=0x7f03dc37daa0, commit=true) at /data/src/10.4/sql/handler.cc:4673

#12 0x000056210a6caa41 in mysql_inplace_alter_table (thd=0x7f0388000b00, table_list=0x7f03880152f0, table=0x7f038817d720, altered_table=0x7f0388059900, ha_alter_info=0x7f03dc37daa0, inplace_supported=HA_ALTER_INPLACE_INSTANT, target_mdl_request=0x7f03dc37dcd0, alter_ctx=0x7f03dc37e280) at /data/src/10.4/sql/sql_table.cc:7605

#13 0x000056210a6d0897 in mysql_alter_table (thd=0x7f0388000b00, new_db=0x7f03880051f8, new_name=0x7f03880055e0, create_info=0x7f03dc37ee70, table_list=0x7f03880152f0, alter_info=0x7f03dc37edb0, order_num=0, order=0x0, ignore=false) at /data/src/10.4/sql/sql_table.cc:9705

#14 0x000056210a75c332 in Sql_cmd_alter_table::execute (this=0x7f0388015a48, thd=0x7f0388000b00) at /data/src/10.4/sql/sql_alter.cc:499

#15 0x000056210a5f1df8 in mysql_execute_command (thd=0x7f0388000b00) at /data/src/10.4/sql/sql_parse.cc:6318

#16 0x000056210a5f6fa0 in mysql_parse (thd=0x7f0388000b00, rawbuf=0x7f03880151f8 "ALTER TABLE t1 CHANGE b c BIT NOT NULL", length=38, parser_state=0x7f03dc3801f0, is_com_multi=false, is_next_command=false) at /data/src/10.4/sql/sql_parse.cc:8129

#17 0x000056210a5e26da in dispatch_command (command=COM_QUERY, thd=0x7f0388000b00, packet=0x7f038800a4c1 "ALTER TABLE t1 CHANGE b c BIT NOT NULL", packet_length=38, is_com_multi=false, is_next_command=false) at /data/src/10.4/sql/sql_parse.cc:1808

#18 0x000056210a5e0fe4 in do_command (thd=0x7f0388000b00) at /data/src/10.4/sql/sql_parse.cc:1358

#19 0x000056210a756247 in do_handle_one_connection (connect=0x56210d2dd6d0) at /data/src/10.4/sql/sql_connect.cc:1399

#20 0x000056210a755fb8 in handle_one_connection (arg=0x56210d2dd6d0) at /data/src/10.4/sql/sql_connect.cc:1302

#21 0x000056210ac49753 in pfs_spawn_thread (arg=0x56210d3d29c0) at /data/src/10.4/storage/perfschema/pfs.cc:1862

#22 0x00007f03e44de494 in start_thread (arg=0x7f03dc381700) at pthread_create.c:333

#23 0x00007f03e28c493f in clone () from /lib/x86_64-linux-gnu/libc.so.6