InnoDB: Failing assertion: 0 after [ERROR] InnoDB needs charset 0 for doing a comparison, but MySQL cannot find that charset.

--source include/have_innodb.inc

CREATE TABLE t1 (

  c CHAR(12) NOT NULL DEFAULT '',

  vc CHAR(12) AS (c) VIRTUAL,

  e SET('','a','b') NOT NULL DEFAULT ''

) ENGINE=InnoDB;

ALTER TABLE t1 ADD FULLTEXT KEY(vc), LOCK=SHARED;

# Cleanup

DROP TABLE t1;

180823 23:53:17 [ERROR] InnoDB needs charset 0 for doing a comparison, but MySQL cannot find that charset.

2018-08-23 23:53:17 7f3fd97a3700  InnoDB: Assertion failure in thread 139912208332544 in file ha_innodb.cc line 5828

InnoDB: Failing assertion: 0

#5  0x00007f3fd76e53fa in abort () from /lib/x86_64-linux-gnu/libc.so.6

#6  0x00007f3fcff432c0 in innobase_get_fts_charset (mysql_type=254, charset_number=0) at /data/src/10.0/storage/innobase/handler/ha_innodb.cc:5828

#7  0x00007f3fcff16b6e in fts_index_get_charset (index=0x7f3fc3798778) at /data/src/10.0/storage/innobase/fts/fts0fts.cc:984

#8  0x00007f3fcff16c83 in fts_cache_index_cache_create (table=0x7f3fc3797af8, index=0x7f3fc3798778) at /data/src/10.0/storage/innobase/fts/fts0fts.cc:1041

#9  0x00007f3fcfec68c8 in dict_index_build_internal_fts (table=0x7f3fc3797af8, index=0x7f3fc37984f8) at /data/src/10.0/storage/innobase/dict/dict0dict.cc:3241

#10 0x00007f3fcfec4f50 in dict_index_add_to_cache (table=0x7f3fc3797af8, index=0x7f3fc37984f8, page_no=4294967295, strict=0) at /data/src/10.0/storage/innobase/dict/dict0dict.cc:2494

#11 0x00007f3fcfeb9cb3 in dict_create_index_step (thr=0x7f3fc3553b40) at /data/src/10.0/storage/innobase/dict/dict0crea.cc:1184

#12 0x00007f3fcfff7ed5 in que_thr_step (thr=0x7f3fc3553b40) at /data/src/10.0/storage/innobase/que/que0que.cc:1089

#13 0x00007f3fcfff8056 in que_run_threads_low (thr=0x7f3fc3553b40) at /data/src/10.0/storage/innobase/que/que0que.cc:1141

#14 0x00007f3fcfff81e2 in que_run_threads (thr=0x7f3fc3553b40) at /data/src/10.0/storage/innobase/que/que0que.cc:1182

#15 0x00007f3fd002f11f in row_merge_create_index_graph (trx=0x7f3fc3552278, table=0x7f3fc3797af8, index=0x7f3fc37984f8) at /data/src/10.0/storage/innobase/row/row0merge.cc:3515

#16 0x00007f3fd002f261 in row_merge_create_index (trx=0x7f3fc3552278, table=0x7f3fc3797af8, index_def=0x7f3fc342bd18) at /data/src/10.0/storage/innobase/row/row0merge.cc:3561

#17 0x00007f3fcff64068 in prepare_inplace_alter_table_dict (ha_alter_info=0x7f3fd97a0260, altered_table=0x7f3fc3515070, old_table=0x7f3fc349e470, table_name=0x7f3fc3461175 "t1", flags=1, flags2=94, fts_doc_id_col=2, add_fts_doc_id=true, add_fts_doc_id_idx=true) at /data/src/10.0/storage/innobase/handler/handler0alter.cc:3043

#18 0x00007f3fcff66f6f in ha_innodb::prepare_inplace_alter_table (this=0x7f3fc347e888, altered_table=0x7f3fc3515070, ha_alter_info=0x7f3fd97a0260) at /data/src/10.0/storage/innobase/handler/handler0alter.cc:4041

#19 0x0000000000844267 in handler::ha_prepare_inplace_alter_table (this=0x7f3fc347e888, altered_table=0x7f3fc3515070, ha_alter_info=0x7f3fd97a0260) at /data/src/10.0/sql/handler.cc:4208

#20 0x0000000000701fad in mysql_inplace_alter_table (thd=0x7f3fcbb69070, table_list=0x7f3fc34f8198, table=0x7f3fc349e470, altered_table=0x7f3fc3515070, ha_alter_info=0x7f3fd97a0260, inplace_supported=HA_ALTER_INPLACE_SHARED_LOCK_AFTER_PREPARE, target_mdl_request=0x7f3fd979fcb0, alter_ctx=0x7f3fd97a0840) at /data/src/10.0/sql/sql_table.cc:7114

#21 0x000000000070684d in mysql_alter_table (thd=0x7f3fcbb69070, new_db=0x7f3fc34f8778 "test", new_name=0x0, create_info=0x7f3fd97a14e0, table_list=0x7f3fc34f8198, alter_info=0x7f3fd97a1450, order_num=0, order=0x0, ignore=false) at /data/src/10.0/sql/sql_table.cc:8978

#22 0x000000000076f589 in Sql_cmd_alter_table::execute (this=0x7f3fc34f8848, thd=0x7f3fcbb69070) at /data/src/10.0/sql/sql_alter.cc:312

#23 0x000000000065470e in mysql_execute_command (thd=0x7f3fcbb69070) at /data/src/10.0/sql/sql_parse.cc:5118

#24 0x0000000000657d64 in mysql_parse (thd=0x7f3fcbb69070, rawbuf=0x7f3fc34f8088 "ALTER TABLE t1 ADD FULLTEXT KEY(vc), LOCK=SHARED", length=48, parser_state=0x7f3fd97a2640) at /data/src/10.0/sql/sql_parse.cc:6637

#25 0x000000000064a684 in dispatch_command (command=COM_QUERY, thd=0x7f3fcbb69070, packet=0x7f3fd15ef071 "ALTER TABLE t1 ADD FULLTEXT KEY(vc), LOCK=SHARED", packet_length=48) at /data/src/10.0/sql/sql_parse.cc:1300

#26 0x0000000000649984 in do_command (thd=0x7f3fcbb69070) at /data/src/10.0/sql/sql_parse.cc:1003

#27 0x000000000076acdc in do_handle_one_connection (thd_arg=0x7f3fcbb69070) at /data/src/10.0/sql/sql_connect.cc:1377

#28 0x000000000076aa4e in handle_one_connection (arg=0x7f3fcbb69070) at /data/src/10.0/sql/sql_connect.cc:1292

#29 0x0000000000accef0 in pfs_spawn_thread (arg=0x7f3fcbb19670) at /data/src/10.0/storage/perfschema/pfs.cc:1861

#30 0x00007f3fd93e0494 in start_thread (arg=0x7f3fd97a3700) at pthread_create.c:333

#31 0x00007f3fd779993f in clone () from /lib/x86_64-linux-gnu/libc.so.6