Assertion `!pk->has_virtual ()' failed in dict_index_build_internal_clust

--source include/have_innodb.inc

CREATE TABLE t (c TEXT,PRIMARY KEY(c(1871))) ENGINE=InnoDB;

mysqld: /test/10.6_dbg/storage/innobase/dict/dict0dict.cc:2503: dict_index_t* dict_index_build_internal_clust(dict_index_t*): Assertion `!index->has_virtual()' failed.

--source include/have_innodb.inc

CREATE TABLE t1 (a TEXT, PRIMARY KEY(a(1871))) ENGINE=InnoDB;

ALTER TABLE t1 MODIFY IF EXISTS b TINYINT AFTER c;

# Cleanup

DROP TABLE t1;

mysqld: /data/src/10.4/storage/innobase/handler/handler0alter.cc:1487: bool instant_alter_column_possible(const dict_table_t&, const Alter_inplace_info*, const TABLE*, const TABLE*, bool): Assertion `!pk->has_virtual()' failed.

190723 16:11:33 [ERROR] mysqld got signal 6 ;

#6  0x00007fc1df1f2e67 in __assert_fail_base (fmt=<optimized out>, assertion=assertion@entry=0x5617050bf541 "!pk->has_virtual()", file=file@entry=0x5617050be608 "/data/src/10.4/storage/innobase/handler/handler0alter.cc", line=line@entry=1487, function=function@entry=0x5617050c4800 <instant_alter_column_possible(dict_table_t const&, Alter_inplace_info const*, TABLE const*, TABLE const*, bool)::__PRETTY_FUNCTION__> "bool instant_alter_column_possible(const dict_table_t&, const Alter_inplace_info*, const TABLE*, const TABLE*, bool)") at assert.c:92

#7  0x00007fc1df1f2f12 in __GI___assert_fail (assertion=0x5617050bf541 "!pk->has_virtual()", file=0x5617050be608 "/data/src/10.4/storage/innobase/handler/handler0alter.cc", line=1487, function=0x5617050c4800 <instant_alter_column_possible(dict_table_t const&, Alter_inplace_info const*, TABLE const*, TABLE const*, bool)::__PRETTY_FUNCTION__> "bool instant_alter_column_possible(const dict_table_t&, const Alter_inplace_info*, const TABLE*, const TABLE*, bool)") at assert.c:101

#8  0x000056170485d39b in instant_alter_column_possible (ib_table=..., ha_alter_info=0x7fc1d85bf7c0, table=0x7fc18c14e850, altered_table=0x7fc1d85bf850, strict=true) at /data/src/10.4/storage/innobase/handler/handler0alter.cc:1487

#9  0x000056170485f86f in ha_innobase::check_if_supported_inplace_alter (this=0x7fc18c00ada8, altered_table=0x7fc1d85bf850, ha_alter_info=0x7fc1d85bf7c0) at /data/src/10.4/storage/innobase/handler/handler0alter.cc:2347

#10 0x00005617043abe09 in mysql_alter_table (thd=0x7fc18c000b00, new_db=0x7fc18c0052b0, new_name=0x7fc18c0056b8, create_info=0x7fc1d85c1d30, table_list=0x7fc18c013218, alter_info=0x7fc1d85c1c70, order_num=0, order=0x0, ignore=false) at /data/src/10.4/sql/sql_table.cc:9998

#11 0x000056170443d8a7 in Sql_cmd_alter_table::execute (this=0x7fc18c0139f0, thd=0x7fc18c000b00) at /data/src/10.4/sql/sql_alter.cc:508

#12 0x00005617042cb57d in mysql_execute_command (thd=0x7fc18c000b00) at /data/src/10.4/sql/sql_parse.cc:6098

#13 0x00005617042d07ed in mysql_parse (thd=0x7fc18c000b00, rawbuf=0x7fc18c013108 "ALTER TABLE t1 MODIFY IF EXISTS b TINYINT AFTER c", length=49, parser_state=0x7fc1d85c3180, is_com_multi=false, is_next_command=false) at /data/src/10.4/sql/sql_parse.cc:7908

#14 0x00005617042bca96 in dispatch_command (command=COM_QUERY, thd=0x7fc18c000b00, packet=0x7fc18c19dca1 "ALTER TABLE t1 MODIFY IF EXISTS b TINYINT AFTER c", packet_length=49, is_com_multi=false, is_next_command=false) at /data/src/10.4/sql/sql_parse.cc:1843

#15 0x00005617042bb1dc in do_command (thd=0x7fc18c000b00) at /data/src/10.4/sql/sql_parse.cc:1360

#16 0x0000561704434716 in do_handle_one_connection (connect=0x561707712a10) at /data/src/10.4/sql/sql_connect.cc:1404

#17 0x0000561704434465 in handle_one_connection (arg=0x561707712a10) at /data/src/10.4/sql/sql_connect.cc:1306

#18 0x0000561704d5fb09 in pfs_spawn_thread (arg=0x5617076913a0) at /data/src/10.4/storage/perfschema/pfs.cc:1862

#19 0x00007fc1e0d674a4 in start_thread (arg=0x7fc1d85c4700) at pthread_create.c:456

#20 0x00007fc1df2afd0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97