Assertion `found_tables > 0' failed at sql_select.cc

create table A(pk int);

create table B(pk int);

create table C(pk int);

create table D(pk int) engine=Myisam;

insert into D values (1),(2);

SELECT A.pk AS field1 FROM A  LEFT JOIN B AS alias2 ON (1) FULL JOIN C  ON(1) FULL JOIN D ON (1) WHERE D.pk <= 3 GROUP BY field1;

#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  my_write_core (sig=6) at /home/ppandith/wl-39014/mysys/stacktrace.c:424

#4  handle_fatal_signal (sig=6) at /home/ppandith/wl-39014/sql/signal_handler.cc:298

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

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

#11 __assert_fail_base (fmt="%s%s%s:%u: %s%sAssertion `%s' failed.\n%n", assertion=assertion@entry="found_tables > 0", 

    file=file@entry="/home/ppandith/wl-39014/sql/sql_select.cc", line=line@entry=12375, 

    function=function@entry="enum_best_search best_extension_by_limited_search(JOIN*, table_map, uint, double, double, uint, uint, table_map*)") at ./assert/assert.c:96

#12 __assert_fail (assertion="found_tables > 0", file="/home/ppandith/wl-39014/sql/sql_select.cc", line=12375, 

    function="enum_best_search best_extension_by_limited_search(JOIN*, table_map, uint, double, double, uint, uint, table_map*)")

    at ./assert/assert.c:105

#13 best_extension_by_limited_search (join=, remaining_tables=11, idx=1, record_count=1, read_time=0.011017800000000001, 

    search_depth=61, use_cond_selectivity=4, processed_eq_ref_tables=) at /home/ppandith/wl-39014/sql/sql_select.cc:12375

#14 best_extension_by_limited_search (join=, remaining_tables=15, idx=0, record_count=1, read_time=0, search_depth=62, 

    use_cond_selectivity=4, processed_eq_ref_tables=) at /home/ppandith/wl-39014/sql/sql_select.cc:12595

#15 greedy_search (join=, remaining_tables=15, search_depth=62, use_cond_selectivity=4)

    at /home/ppandith/wl-39014/sql/sql_select.cc:11017

#16 choose_plan (join=, join_tables=15, emb_sjm_nest=) at /home/ppandith/wl-39014/sql/sql_select.cc:10522

#17 make_join_statistics (join=, tables_list=..., keyuse_array=) at /home/ppandith/wl-39014/sql/sql_select.cc:6538

#18 JOIN::optimize_inner (this=) at /home/ppandith/wl-39014/sql/sql_select.cc:2882

#19 JOIN::optimize (this=) at /home/ppandith/wl-39014/sql/sql_select.cc:2132

#20 mysql_select (thd=, tables=, fields=..., conds=, og_num=1, order=, group=, having=, proc_param=, select_options=2164525824, 

    result=, unit=, select_lex=) at /home/ppandith/wl-39014/sql/sql_select.cc:5544

#21 handle_select (thd=, lex=, result=, setup_tables_done_option=0) at /home/ppandith/wl-39014/sql/sql_select.cc:752

#22 execute_sqlcom_select (thd=, all_tables=) at /home/ppandith/wl-39014/sql/sql_parse.cc:6213

#23 mysql_execute_command (thd=, is_called_from_prepared_stmt=false) at /home/ppandith/wl-39014/sql/sql_parse.cc:3989

#24 mysql_parse (thd=, 

    rawbuf="SELECT A.pk AS field1 FROM A  LEFT JOIN B AS alias2 ON (1) FULL JOIN C  ON(1) FULL JOIN D ON (1) WHERE D.pk <= 3 GROUP BY field1", length=128, parser_state=) at /home/ppandith/wl-39014/sql/sql_parse.cc:7941

#25 dispatch_command (command=COM_QUERY, thd=, 

    packet="SELECT A.pk AS field1 FROM A  LEFT JOIN B AS alias2 ON (1) FULL JOIN C  ON(1) FULL JOIN D ON (1) WHERE D.pk <= 3 GROUP BY field1", packet_length=128, blocking=true) at /home/ppandith/wl-39014/sql/sql_parse.cc:1898

#26 do_command (thd=, blocking=true) at /home/ppandith/wl-39014/sql/sql_parse.cc:1432

#27 do_handle_one_connection (connect=, put_in_cache=true) at /home/ppandith/wl-39014/sql/sql_connect.cc:1503

#28 handle_one_connection (arg=) at /home/ppandith/wl-39014/sql/sql_connect.cc:1415

#29 pfs_spawn_thread (arg=) at /home/ppandith/wl-39014/storage/perfschema/pfs.cc:2198

#30 start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:447

#31 clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78