Assertion `0' failed in Item::val_native

SELECT uuid() AS f, var_pop('x')

FROM dual 

HAVING f > '';

#3  <signal handler called>

#4  __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50

#5  0x00007f533dae8859 in __GI_abort () at abort.c:79

#6  0x00007f533dae8729 in __assert_fail_base (fmt=0x7f533dc7e588 "%s%s%s:%u: %s%sAssertion `%s' failed.\n%n", assertion=0x55f4e916f45f "0", file=0x55f4e916f3a0 "/m7-preview-10.7-MDEV-4958-uuid/src/sql/item.h", line=1569, function=<optimized out>) at assert.c:92

#7  0x00007f533daf9f36 in __GI___assert_fail (assertion=0x55f4e916f45f "0", file=0x55f4e916f3a0 "/m7-preview-10.7-MDEV-4958-uuid/src/sql/item.h", line=1569, function=0x55f4e916f520 "virtual bool Item::val_native(THD*, Native*)") at assert.c:101

#8  0x000055f4e82885b6 in Item::val_native (this=0x7f52e8015df0, thd=0x7f52e8000db8, to=0x7f52e8014aa0) at /m7-preview-10.7-MDEV-4958-uuid/src/sql/item.h:1569

#9  0x000055f4e84c378d in Item::val_native_from_item (this=0x7f52e8014818, thd=0x7f52e8000db8, item=0x7f52e8015df0, to=0x7f52e8014aa0) at /m7-preview-10.7-MDEV-4958-uuid/src/sql/item.h:974

#10 0x000055f4e87f490e in Item_ref::val_native (this=0x7f52e8014818, thd=0x7f52e8000db8, to=0x7f52e8014aa0) at /m7-preview-10.7-MDEV-4958-uuid/src/sql/item.cc:8384

#11 0x000055f4e9130446 in FixedBinTypeBundle<16ul, 36ul>::Type_handler_fbt::Item_val_native_with_conversion (this=0x55f4ea68fe40 <FixedBinTypeBundle<16ul, 36ul>::type_handler_fbt()::th>, thd=0x7f52e8000db8, item=0x7f52e8014818, to=0x7f52e8014aa0) at /m7-preview-10.7-MDEV-4958-uuid/src/sql/sql_type_fixedbin.h:781

#12 0x000055f4e872695c in Item::val_native_with_conversion (this=0x7f52e8014818, thd=0x7f52e8000db8, to=0x7f52e8014aa0, th=0x55f4ea68fe40 <FixedBinTypeBundle<16ul, 36ul>::type_handler_fbt()::th>) at /m7-preview-10.7-MDEV-4958-uuid/src/sql/item.h:1528

#13 0x000055f4e8808a1c in Arg_comparator::compare_native (this=0x7f52e8014a40) at /m7-preview-10.7-MDEV-4958-uuid/src/sql/item_cmpfunc.cc:793

#14 0x000055f4e88213f2 in Arg_comparator::compare (this=0x7f52e8014a40) at /m7-preview-10.7-MDEV-4958-uuid/src/sql/item_cmpfunc.h:103

#15 0x000055f4e880c128 in Item_func_gt::val_int (this=0x7f52e8014990) at /m7-preview-10.7-MDEV-4958-uuid/src/sql/item_cmpfunc.cc:1802

#16 0x000055f4e84ac883 in end_send_group (join=0x7f52e8015468, join_tab=0x0, end_of_records=true) at /m7-preview-10.7-MDEV-4958-uuid/src/sql/sql_select.cc:22433

#17 0x000055f4e84a8004 in do_select (join=0x7f52e8015468, procedure=0x0) at /m7-preview-10.7-MDEV-4958-uuid/src/sql/sql_select.cc:20542

#18 0x000055f4e847b839 in JOIN::exec_inner (this=0x7f52e8015468) at /m7-preview-10.7-MDEV-4958-uuid/src/sql/sql_select.cc:4735

#19 0x000055f4e847a8af in JOIN::exec (this=0x7f52e8015468) at /m7-preview-10.7-MDEV-4958-uuid/src/sql/sql_select.cc:4513

#20 0x000055f4e847c1e9 in mysql_select (thd=0x7f52e8000db8, tables=0x0, fields=..., conds=0x0, og_num=0, order=0x0, group=0x0, having=0x7f52e8014990, proc_param=0x0, select_options=2147748608, result=0x7f52e8015440, unit=0x7f52e8005120, select_lex=0x7f52e80140e0) at /m7-preview-10.7-MDEV-4958-uuid/src/sql/sql_select.cc:4991

#21 0x000055f4e846b455 in handle_select (thd=0x7f52e8000db8, lex=0x7f52e8005058, result=0x7f52e8015440, setup_tables_done_option=0) at /m7-preview-10.7-MDEV-4958-uuid/src/sql/sql_select.cc:545

#22 0x000055f4e8416453 in execute_sqlcom_select (thd=0x7f52e8000db8, all_tables=0x0) at /m7-preview-10.7-MDEV-4958-uuid/src/sql/sql_parse.cc:6261

#23 0x000055f4e840d65f in mysql_execute_command (thd=0x7f52e8000db8, is_called_from_prepared_stmt=false) at /m7-preview-10.7-MDEV-4958-uuid/src/sql/sql_parse.cc:3946

#24 0x000055f4e841b2a3 in mysql_parse (thd=0x7f52e8000db8, rawbuf=0x7f52e8014010 "SELECT uuid() AS f,\nvar_pop('x')\nFROM dual \nHAVING f > ''", length=57, parser_state=0x7f5330793480) at /m7-preview-10.7-MDEV-4958-uuid/src/sql/sql_parse.cc:8036

#25 0x000055f4e8407677 in dispatch_command (command=COM_QUERY, thd=0x7f52e8000db8, packet=0x7f52e800b979 "", packet_length=57, blocking=true) at /m7-preview-10.7-MDEV-4958-uuid/src/sql/sql_parse.cc:1896

#26 0x000055f4e8406013 in do_command (thd=0x7f52e8000db8, blocking=true) at /m7-preview-10.7-MDEV-4958-uuid/src/sql/sql_parse.cc:1404

#27 0x000055f4e85d7429 in do_handle_one_connection (connect=0x55f4ec15f728, put_in_cache=true) at /m7-preview-10.7-MDEV-4958-uuid/src/sql/sql_connect.cc:1418

#28 0x000055f4e85d70b9 in handle_one_connection (arg=0x55f4ec15f728) at /m7-preview-10.7-MDEV-4958-uuid/src/sql/sql_connect.cc:1312

#29 0x000055f4e8af8a5f in pfs_spawn_thread (arg=0x55f4ec15f808) at /m7-preview-10.7-MDEV-4958-uuid/src/storage/perfschema/pfs.cc:2201

#30 0x00007f533e012609 in start_thread (arg=<optimized out>) at pthread_create.c:477

#31 0x00007f533dbe5293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95