DDL on temporary object is prohibited when XA is in prepare state

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

USE test;

XA START '0';

CREATE TEMPORARY TABLE t(c INT);

XA END '0';

XA PREPARE '0';

DROP TEMPORARY TABLE t;

# shutdown of sever, or some delay, may be required before crash happens

2020-04-30  1:33:06 0 [Note] /test/MD210420-mariadb-10.5.3-linux-x86_64-dbg/bin/mysqld: ready for connections.

Version: '10.5.3-MariaDB-debug-log'  socket: '/test/MD210420-mariadb-10.5.3-linux-x86_64-dbg/socket.sock'  port: 15092  MariaDB Server

2020-04-30  1:33:26 5 [Warning] WSREP: binlog trx cache not empty (113 bytes) @ connection close 5

2020-04-30  1:33:26 5 [Warning] WSREP: binlog stmt cache not empty (0 bytes) @ connection close 5

mysqld: /test/10.5_dbg/sql/log.cc:1733: int binlog_close_connection(handlerton*, THD*): Assertion `cache_mngr->trx_cache.empty()' failed.

200430  1:33:26 [ERROR] mysqld got signal 6 ;

Core was generated by `/test/MD210420-mariadb-10.5.3-linux-x86_64-dbg/bin/mysqld --no-defaults --core-'.

Program terminated with signal SIGABRT, Aborted.

#0  __pthread_kill (threadid=<optimized out>, signo=signo@entry=6)

    at ../sysdeps/unix/sysv/linux/pthread_kill.c:57

[Current thread is 1 (Thread 0x7fc92b02c700 (LWP 511539))]

(gdb) bt

#0  __pthread_kill (threadid=<optimized out>, signo=signo@entry=6) at ../sysdeps/unix/sysv/linux/pthread_kill.c:57

#1  0x0000558edb73b03d in my_write_core (sig=sig@entry=6) at /test/10.5_dbg/mysys/stacktrace.c:518

#2  0x0000558edaee0d7b in handle_fatal_signal (sig=6) at /test/10.5_dbg/sql/signal_handler.cc:329

#3  <signal handler called>

#4  __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:51

#5  0x00007fc9297bb801 in __GI_abort () at abort.c:79

#6  0x00007fc9297ab39a in __assert_fail_base (fmt=0x7fc9299327d8 "%s%s%s:%u: %s%sAssertion `%s' failed.\n%n", assertion=assertion@entry=0x558edba6b49a "cache_mngr->trx_cache.empty()", file=file@entry=0x558edba6afe7 "/test/10.5_dbg/sql/log.cc", line=line@entry=1733, function=function@entry=0x558edba6f9c0 <binlog_close_connection(handlerton*, THD*)::__PRETTY_FUNCTION__> "int binlog_close_connection(handlerton*, THD*)") at assert.c:92

#7  0x00007fc9297ab412 in __GI___assert_fail (assertion=assertion@entry=0x558edba6b49a "cache_mngr->trx_cache.empty()", file=file@entry=0x558edba6afe7 "/test/10.5_dbg/sql/log.cc", line=line@entry=1733, function=function@entry=0x558edba6f9c0 <binlog_close_connection(handlerton*, THD*)::__PRETTY_FUNCTION__> "int binlog_close_connection(handlerton*, THD*)") at assert.c:101

#8  0x0000558edb0158a2 in binlog_close_connection (hton=<optimized out>, thd=0x7fc8fdc15088) at /test/10.5_dbg/sql/log.cc:1733

#9  0x0000558edaee589c in ha_close_connection (thd=thd@entry=0x7fc8fdc15088) at /test/10.5_dbg/sql/handler.cc:840

#10 0x0000558edabd59a6 in THD::free_connection (this=this@entry=0x7fc8fdc15088) at /test/10.5_dbg/sql/sql_class.cc:1618

#11 0x0000558edab32b80 in unlink_thd (thd=0x7fc8fdc15088) at /test/10.5_dbg/sql/mysqld.cc:2621

#12 0x0000558edad89472 in do_handle_one_connection (connect=<optimized out>, connect@entry=0x7fc9093c9aa8, put_in_cache=put_in_cache@entry=true) at /test/10.5_dbg/sql/sql_connect.cc:1433

#13 0x0000558edad89744 in handle_one_connection (arg=arg@entry=0x7fc9093c9aa8) at /test/10.5_dbg/sql/sql_connect.cc:1319

#14 0x0000558edb1e9fb0 in pfs_spawn_thread (arg=0x7fc928c45d88) at /test/10.5_dbg/storage/perfschema/pfs.cc:2201

#15 0x00007fc92a49e6db in start_thread (arg=0x7fc92b02c700) at pthread_create.c:463

#16 0x00007fc92989c88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95