MSAN: use-of-uninitialized-value handler::io_cost

from: sql_sequence.other

create sequence s1;

update s1 set next_not_cached_value=100;

ERROR HY000: Storage engine SEQUENCE of the table `test`.`s1` doesn't have this option

delete from s1 where next_not_cached_value > 0;

Version: '11.4.9-MariaDB-debug-log'  socket: '/dev/shm/normal/tmp/25/mysqld.1.sock'  port: 19540  Source distribution

==240860==WARNING: MemorySanitizer: use-of-uninitialized-value

    #0 0x56287c36aca0 in handler::io_cost(IO_AND_CPU_COST) /home/buildbot/src/sql/handler.h:3698:5

    #1 0x56287c33c882 in handler::cost(IO_AND_CPU_COST) /home/buildbot/src/sql/handler.h:3703:12

    #2 0x56287c1df970 in SQL_SELECT::test_quick_select(THD*, Bitmap<64u>, unsigned long long, unsigned long long, bool, bool, bool, bool, Item_func::Bitmap) /home/buildbot/src/sql/opt_range.cc:2759:22

    #3 0x56287caab813 in SQL_SELECT::check_quick(THD*, bool, unsigned long long, Item_func::Bitmap) /home/buildbot/src/sql/opt_range.h:1942:12

    #4 0x56287ca7aa51 in Sql_cmd_delete::delete_from_single_table(THD*) /home/buildbot/src/sql/sql_delete.cc:591:26

    #5 0x56287caa3bdf in Sql_cmd_delete::execute_inner(THD*) /home/buildbot/src/sql/sql_delete.cc:1902:28

    #6 0x56287d3ef54d in Sql_cmd_dml::execute(THD*) /home/buildbot/src/sql/sql_select.cc:34472:9

    #7 0x56287cdfc64c in mysql_execute_command(THD*, bool) /home/buildbot/src/sql/sql_parse.cc:4420:27

    #8 0x56287cdbbd8c in mysql_parse(THD*, char*, unsigned int, Parser_state*) /home/buildbot/src/sql/sql_parse.cc:7899:18

    #9 0x56287cda9b12 in dispatch_command(enum_server_command, THD*, char*, unsigned int, bool) /home/buildbot/src/sql/sql_parse.cc:1905:7

    #10 0x56287cdc135a in do_command(THD*, bool) /home/buildbot/src/sql/sql_parse.cc:1418:17

    #11 0x56287dd08c60 in do_handle_one_connection(CONNECT*, bool) /home/buildbot/src/sql/sql_connect.cc:1497:11

    #12 0x56287dd0755d in handle_one_connection /home/buildbot/src/sql/sql_connect.cc:1409:5

    #13 0x562880881f28 in pfs_spawn_thread /home/buildbot/src/storage/perfschema/pfs.cc:2201:3

    #14 0x7fc5761981f4  (/lib/x86_64-linux-gnu/libc.so.6+0x891f4) (BuildId: 6196744a316dbd57c0fd8968df1680aac482cec4)

    #15 0x7fc576217b3f in clone (/lib/x86_64-linux-gnu/libc.so.6+0x108b3f) (BuildId: 6196744a316dbd57c0fd8968df1680aac482cec4)

  Memory was marked as uninitialized

    #0 0x56287c06910d in __msan_allocated_memory (/home/buildbot/bld/sql/mariadbd+0x91e10d) (BuildId: bcd483acb911f5a388f4a1dedb81204aef961979)

    #1 0x56287da1e1a2 in TABLE_SHARE::update_optimizer_costs(handlerton*) /home/buildbot/src/sql/table.cc:3526:5

    #2 0x56287eded48a in handler::ha_open(TABLE*, char const*, int, unsigned int, st_mem_root*, List<String>*) /home/buildbot/src/sql/handler.cc:3684:20

    #3 0x56287da3522b in open_table_from_share(THD*, TABLE_SHARE*, st_mysql_const_lex_string const*, unsigned int, unsigned int, unsigned int, TABLE*, bool, List<String>*) /home/buildbot/src/sql/table.cc:4613:33

    #4 0x56287c8179d2 in open_table(THD*, TABLE_LIST*, Open_table_context*) /home/buildbot/src/sql/sql_base.cc:2314:12

    #5 0x56287c83f97c in open_and_process_table(THD*, TABLE_LIST*, unsigned int*, unsigned int, Prelocking_strategy*, bool, Open_table_context*) /home/buildbot/src/sql/sql_base.cc:4247:14

    #6 0x56287c835baf in open_tables(THD*, DDL_options_st const&, TABLE_LIST**, unsigned int*, unsigned int, Prelocking_strategy*) /home/buildbot/src/sql/sql_base.cc:4730:14

    #7 0x56287c852317 in open_and_lock_tables(THD*, DDL_options_st const&, TABLE_LIST*, bool, unsigned int, Prelocking_strategy*) /home/buildbot/src/sql/sql_base.cc:5721:7

    #8 0x56287c8c2053 in open_and_lock_tables(THD*, TABLE_LIST*, bool, unsigned int) /home/buildbot/src/sql/sql_base.h:534:10

    #9 0x56287e6420e5 in sequence_insert(THD*, LEX*, TABLE_LIST*) /home/buildbot/src/sql/sql_sequence.cc:357:12

    #10 0x56287d6f2f15 in mysql_create_table_no_lock(THD*, st_ddl_log_state*, st_ddl_log_state*, Table_specification_st*, Alter_info*, bool*, int, TABLE_LIST*) /home/buildbot/src/sql/sql_table.cc:4967:10

    #11 0x56287d7c070a in mysql_create_table(THD*, TABLE_LIST*, Table_specification_st*, Alter_info*) /home/buildbot/src/sql/sql_table.cc:5196:7

    #12 0x56287d7b6509 in Sql_cmd_create_table_like::execute(THD*) /home/buildbot/src/sql/sql_table.cc:13565:12

    #13 0x56287ce233a4 in mysql_execute_command(THD*, bool) /home/buildbot/src/sql/sql_parse.cc:5876:26

    #14 0x56287cdbbd8c in mysql_parse(THD*, char*, unsigned int, Parser_state*) /home/buildbot/src/sql/sql_parse.cc:7899:18

    #15 0x56287cda9b12 in dispatch_command(enum_server_command, THD*, char*, unsigned int, bool) /home/buildbot/src/sql/sql_parse.cc:1905:7

    #16 0x56287cdc135a in do_command(THD*, bool) /home/buildbot/src/sql/sql_parse.cc:1418:17

    #17 0x56287dd08c60 in do_handle_one_connection(CONNECT*, bool) /home/buildbot/src/sql/sql_connect.cc:1497:11

    #18 0x56287dd0755d in handle_one_connection /home/buildbot/src/sql/sql_connect.cc:1409:5

    #19 0x562880881f28 in pfs_spawn_thread /home/buildbot/src/storage/perfschema/pfs.cc:2201:3

SUMMARY: MemorySanitizer: use-of-uninitialized-value /home/buildbot/src/sql/handler.h:3698:5 in handler::io_cost(IO_AND_CPU_COST)