Replica crashes with assertion `is_null() || is_empty() || !check_name(*this)' in Lex_ident_db::Lex_ident_db on an event with default database `#mysql50#db`

--source include/master-slave.inc

let $D= `select @@datadir`;

--mkdir $D/d-b

--connection slave

let $D= `select @@datadir`;

--mkdir $D/d-b

--connection master

set old_mode=MYSQL50_TABLE_NAMES;

use `#mysql50#d-b`;

create table t1 (a int);

--sync_slave_with_master

--connection master

drop database `#mysql50#d-b`;

--source include/rpl_end.inc

13.2.0-MariaDB-asan-debug-log source revision: dc266b6ff7610fbb10b00c86be47b9c7e86670e0

mariadbd: /13.2/src/sql/lex_ident.h:221: Lex_ident_db::Lex_ident_db(const LEX_CSTRING&): Assertion `is_null() || is_empty() || !check_name(*this)' failed.

#0  __pthread_kill_implementation (no_tid=0, signo=6, threadid=<optimized out>) at ./nptl/pthread_kill.c:44

#1  __pthread_kill_internal (signo=6, threadid=<optimized out>) at ./nptl/pthread_kill.c:78

#2  __GI___pthread_kill (threadid=<optimized out>, signo=6) at ./nptl/pthread_kill.c:89

#3  0x00005a8726a7c7a6 in my_write_core (sig=6) at /13.2/src/mysys/stacktrace.c:424

#4  0x00005a8724d77890 in handle_fatal_signal (sig=6) at /13.2/src/sql/signal_handler.cc:300

#5  <signal handler called>

#6  __pthread_kill_implementation (no_tid=0, signo=6, threadid=<optimized out>) at ./nptl/pthread_kill.c:44

#7  __pthread_kill_internal (signo=6, threadid=<optimized out>) at ./nptl/pthread_kill.c:78

#8  __GI___pthread_kill (threadid=<optimized out>, signo=signo@entry=6) at ./nptl/pthread_kill.c:89

#9  0x00007d735b24527e in __GI_raise (sig=sig@entry=6) at ../sysdeps/posix/raise.c:26

#10 0x00007d735b2288ff in __GI_abort () at ./stdlib/abort.c:79

#11 0x00007d735b22881b in __assert_fail_base (fmt=0x7d735b3d1208 "%s%s%s:%u: %s%sAssertion `%s' failed.\n%n", assertion=assertion@entry=0x5a872400a280 "is_null() || is_empty() || !check_name(*this)", file=file@entry=0x5a872400a2e0 "/13.2/src/sql/lex_ident.h", line=line@entry=221, function=function@entry=0x5a872400a340 "Lex_ident_db::Lex_ident_db(const LEX_CSTRING&)") at ./assert/assert.c:96

#12 0x00007d735b23b517 in __assert_fail (assertion=0x5a872400a280 "is_null() || is_empty() || !check_name(*this)", file=0x5a872400a2e0 "/13.2/src/sql/lex_ident.h", line=221, function=0x5a872400a340 "Lex_ident_db::Lex_ident_db(const LEX_CSTRING&)") at ./assert/assert.c:105

#13 0x00005a8724dbb20c in Lex_ident_db::Lex_ident_db (this=0x757342593ea0, str=...) at /13.2/src/sql/lex_ident.h:221

#14 0x00005a8724dbd40c in TABLE_LIST::init_one_table (this=0x757342c7c0c0, db_arg=<optimized out>, table_name_arg=0x52d00041a570, alias_arg=0x0, lock_type_arg=<optimized out>) at /13.2/src/sql/table.h:2728

#15 0x00005a87258e0be5 in create_table_impl (thd=thd@entry=0x52c0001d0220, ddl_log_state_create=ddl_log_state_create@entry=0x75734278a840, ddl_log_state_rm=ddl_log_state_rm@entry=0x75734278a880, orig_db=..., orig_table_name=..., db=..., table_name=..., path=..., options=..., create_info=<optimized out>, alter_info=<optimized out>, create_table_mode=<optimized out>, is_trans=<optimized out>, key_info=<optimized out>, key_count=<optimized out>, frm=<optimized out>) at /13.2/src/sql/sql_table.cc:5189

#16 0x00005a87258e35ac in mysql_create_table_no_lock (thd=thd@entry=0x52c0001d0220, ddl_log_state_create=ddl_log_state_create@entry=0x75734278a840, ddl_log_state_rm=ddl_log_state_rm@entry=0x75734278a880, create_info=create_info@entry=0x75734297cb60, alter_info=alter_info@entry=0x75734297c9a0, is_trans=is_trans@entry=0x75734278a830, create_table_mode=<optimized out>, table_list=<optimized out>) at /13.2/src/sql/sql_table.cc:5553

#17 0x00005a87258e68ce in mysql_create_table (thd=thd@entry=0x52c0001d0220, create_table=create_table@entry=0x52d00041a540, create_info=create_info@entry=0x75734297cb60, alter_info=alter_info@entry=0x75734297c9a0) at /13.2/src/sql/sql_table.cc:5786

#18 0x00005a87258e8ecd in Sql_cmd_create_table_like::execute (this=<optimized out>, thd=0x52c0001d0220) at /13.2/src/sql/sql_table.cc:14345

#19 0x00005a872562b07c in mysql_execute_command (thd=thd@entry=0x52c0001d0220, is_called_from_prepared_stmt=is_called_from_prepared_stmt@entry=false) at /13.2/src/sql/sql_parse.cc:5954

#20 0x00005a872562cf6b in mysql_parse (thd=0x52c0001d0220, rawbuf=<optimized out>, length=<optimized out>, parser_state=parser_state@entry=0x7573428aed80) at /13.2/src/sql/sql_parse.cc:8020

#21 0x00005a87251d3ee7 in Query_log_event::do_apply_event (this=0x5130000d00e0, rgi=0x51d00029fe80, query_arg=<optimized out>, q_len_arg=<optimized out>) at /13.2/src/sql/log_event_server.cc:2133

#22 0x00005a87251d5492 in Query_log_event::do_apply_event (this=<optimized out>, rgi=<optimized out>) at /13.2/src/sql/log_event_server.cc:1549

#23 0x00005a8725197d56 in Log_event::apply_event (this=this@entry=0x5130000d00e0, rgi=rgi@entry=0x51d00029fe80) at /13.2/src/sql/log_event.cc:4500

#24 0x00005a872530b903 in apply_event_and_update_pos_apply (ev=ev@entry=0x5130000d00e0, thd=thd@entry=0x52c0001d0220, rgi=rgi@entry=0x51d00029fe80, reason=reason@entry=0) at /13.2/src/sql/slave.cc:3663

#25 0x00005a872531a99f in apply_event_and_update_pos (ev=ev@entry=0x5130000d00e0, thd=thd@entry=0x52c0001d0220, rgi=rgi@entry=0x51d00029fe80) at /13.2/src/sql/slave.cc:3840

#26 0x00005a872531c21c in exec_relay_log_event (thd=thd@entry=0x52c0001d0220, rli=rli@entry=0x52b00004f6d0, serial_rgi=serial_rgi@entry=0x51d00029fe80) at /13.2/src/sql/slave.cc:4314

#27 0x00005a87253206e9 in handle_slave_sql (arg=arg@entry=0x52b00004d200) at /13.2/src/sql/slave.cc:5549

#28 0x00007d735c25ea42 in asan_thread_start (arg=0x757343a69000) at ../../../../src/libsanitizer/asan/asan_interceptors.cpp:234

#29 0x00007d735b29cb84 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:447

#30 0x00007d735b329ecc in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78