Assertion `trx_is_registered_for_2pc(trx)' failed in innobase_xa_prepare on XA PREPARE after setting master_demote_to_slave

# mysqld options required for replay: --log-bin

XA START 'a';

CHANGE MASTER TO master_demote_to_slave=1;

XA END 'a';

XA PREPARE 'a';

mariadbd: /test/11.6_dbg/storage/innobase/handler/ha_innodb.cc:17031: int innobase_xa_prepare(handlerton*, THD*, bool): Assertion `trx_is_registered_for_2pc(trx)' failed.

Core was generated by `/test/MD130824-mariadb-11.6.1-linux-x86_64-dbg/bin/mariadbd --no-defaults --max'.

Program terminated with signal SIGABRT, Aborted.

Download failed: Invalid argument.  Continuing without source file ./nptl/./nptl/pthread_kill.c.

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

warning: 44	./nptl/pthread_kill.c: No such file or directory

[Current thread is 1 (LWP 2017822)]

(gdb) bt

#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=signo@entry=6)at ./nptl/pthread_kill.c:89

#3  0x0000146ac9a4526e in __GI_raise (sig=sig@entry=6)at ../sysdeps/posix/raise.c:26

#4  0x0000146ac9a288ff in __GI_abort () at ./stdlib/abort.c:79

#5  0x0000146ac9a2881b in __assert_fail_base (fmt=0x146ac9bd01e8 "%s%s%s:%u: %s%sAssertion `%s' failed.\n%n", assertion=assertion@entry=0x55b55ac099e8 "trx_is_registered_for_2pc(trx)", file=file@entry=0x55b55ac07660 "/test/11.6_dbg/storage/innobase/handler/ha_innodb.cc", line=line@entry=17031, function=function@entry=0x55b55ac09a08 "int innobase_xa_prepare(handlerton*, THD*, bool)") at ./assert/assert.c:94

#6  0x0000146ac9a3b507 in __assert_fail (assertion=0x55b55ac099e8 "trx_is_registered_for_2pc(trx)", file=0x55b55ac07660 "/test/11.6_dbg/storage/innobase/handler/ha_innodb.cc", line=17031, function=0x55b55ac09a08 "int innobase_xa_prepare(handlerton*, THD*, bool)")at ./assert/assert.c:103

#7  0x000055b55a4563ef in innobase_xa_prepare (hton=0x55b55c1145f8, thd=0x146a5c000d58, prepare_trx=<optimized out>)at /test/11.6_dbg/storage/innobase/handler/ha_innodb.cc:2871

#8  0x000055b55a0da371 in prepare_or_error (ht=0x55b55c1145f8, thd=thd@entry=0x146a5c000d58, all=all@entry=true)at /test/11.6_dbg/sql/handler.cc:1499

#9  0x000055b55a0dd065 in ha_prepare (thd=thd@entry=0x146a5c000d58)at /test/11.6_dbg/sql/handler.cc:1537

#10 0x000055b55a04aa1a in trans_xa_prepare (thd=thd@entry=0x146a5c000d58)at /test/11.6_dbg/sql/xa.cc:551

#11 0x000055b559dc1a1c in mysql_execute_command (thd=thd@entry=0x146a5c000d58, is_called_from_prepared_stmt=is_called_from_prepared_stmt@entry=false)at /test/11.6_dbg/sql/sql_parse.cc:5703

#12 0x000055b559dc30df in mysql_parse (thd=thd@entry=0x146a5c000d58, rawbuf=<optimized out>, length=<optimized out>, parser_state=parser_state@entry=0x146ac8296250)at /test/11.6_dbg/sql/sql_parse.cc:7869

#13 0x000055b559dc5466 in dispatch_command (command=command@entry=COM_QUERY, thd=thd@entry=0x146a5c000d58, packet=packet@entry=0x146a5c00b3c9 "XA PREPARE 'a'", packet_length=packet_length@entry=14, blocking=blocking@entry=true)at /test/11.6_dbg/sql/sql_class.h:256

#14 0x000055b559dc788e in do_command (thd=0x146a5c000d58, blocking=blocking@entry=true) at /test/11.6_dbg/sql/sql_parse.cc:1405

#15 0x000055b559f38ead in do_handle_one_connection (connect=<optimized out>, connect@entry=0x55b55cae9c08, put_in_cache=put_in_cache@entry=true)at /test/11.6_dbg/sql/sql_connect.cc:1448

#16 0x000055b559f391ae in handle_one_connection (arg=arg@entry=0x55b55cae9c08)at /test/11.6_dbg/sql/sql_connect.cc:1350

#17 0x000055b55a39c039 in pfs_spawn_thread (arg=0x55b55ca72ea8)at /test/11.6_dbg/storage/perfschema/pfs.cc:2198

#18 0x0000146ac9a9ca94 in start_thread (arg=<optimized out>)at ./nptl/pthread_create.c:447

#19 0x0000146ac9b29c3c in clone3 ()at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78