A field of an assoc array element as OUT parameter crashes the server

SET sql_mode=ORACLE;

DELIMITER $$

CREATE OR REPLACE PROCEDURE p1(a OUT INT) AS

BEGIN

  a:= 7;

END;

$$

DECLARE

  TYPE rec_t IS RECORD (i INT, s VARCHAR(10));

  TYPE tab_t IS TABLE OF rec_t INDEX BY INT;

  t tab_t:= tab_t(1 => rec_t(0, 'x'));

BEGIN

  p1(t(1).i);         -- a field of an assoc array element as an OUT  argument

  SELECT t(1).i, t(1).s;

END;

$$

DELIMITER ;

DROP PROCEDURE p1;

#0  0x00007ffff7082e7c in __pthread_kill_implementation ()

   from /lib64/libc.so.6

#1  0x00007ffff7028f0e in raise () from /lib64/libc.so.6

#2  0x00007ffff70106d0 in abort () from /lib64/libc.so.6

#3  0x00007ffff7010639 in __assert_fail_base.cold () from /lib64/libc.so.6

#4  0x000055555563cd60 in sp_rcontext::virtual_tmp_table_for_row (

    this=0x77ffa8039670, var_idx=0)

    at /home/bar/maria-git/13.1.m40394.hf/sql/sp_rcontext.cc:706

#5  0x000055555563c940 in sp_rcontext::set_variable_row_field (

    this=0x77ffa8039670, thd=0x77ffa8000dd0, var_idx=0, field_idx=0, 

    value=0x77ffa8077710)

    at /home/bar/maria-git/13.1.m40394.hf/sql/sp_rcontext.cc:686

#6  0x0000555555cae62f in Item_splocal_row_field::set_value (

    this=0x77ffa8043ce0, thd=0x77ffa8000dd0, ctx=0x77ffa8039670, 

    it=0x77ffa8077710) at /home/bar/maria-git/13.1.m40394.hf/sql/item.cc:2075

#7  0x0000555555cae9fb in Item_splocal_row_field_by_name::set_value (

    this=0x77ffa8043ce0, thd=0x77ffa8000dd0, ctx=0x77ffa8039670, 

    it=0x77ffa8077710) at /home/bar/maria-git/13.1.m40394.hf/sql/item.cc:2116

#8  0x000055555562a994 in sp_head::bind_output_param (this=0x77ffa8078c70, 

    thd=0x77ffa8000dd0, arg_item=0x77ffa8043ce0, arg_no=0, 

    octx=0x77ffa8039670, nctx=0x77ffa8076a00)

    at /home/bar/maria-git/13.1.m40394.hf/sql/sp_head.cc:2513

#9  0x0000555555629fa4 in sp_head::execute_procedure (this=0x77ffa8078c70, 

    thd=0x77ffa8000dd0, args=0x77ffa80465e0)

    at /home/bar/maria-git/13.1.m40394.hf/sql/sp_head.cc:2358

#10 0x0000555555765d75 in do_execute_sp (thd=0x77ffa8000dd0, sp=0x77ffa8078c70)

    at /home/bar/maria-git/13.1.m40394.hf/sql/sql_parse.cc:3084

#11 0x0000555555766ac8 in Sql_cmd_call::execute (this=0x77ffa8043bb0, 

    thd=0x77ffa8000dd0)

    at /home/bar/maria-git/13.1.m40394.hf/sql/sql_parse.cc:3322

#12 0x0000555555771242 in mysql_execute_command (thd=0x77ffa8000dd0, 

    is_called_from_prepared_stmt=false)

    at /home/bar/maria-git/13.1.m40394.hf/sql/sql_parse.cc:5905

#13 0x0000555555abfc7d in sp_instr_stmt::exec_core (this=0x77ffa8043e30, 

    thd=0x77ffa8000dd0, nextp=0x7ffff409cc3c)

    at /home/bar/maria-git/13.1.m40394.hf/sql/sp_instr.cc:1281

#14 0x0000555555abdb07 in sp_lex_keeper::reset_lex_and_exec_core (

    this=0x77ffa8043e70, thd=0x77ffa8000dd0, nextp=0x7ffff409cc3c, 

    open_tables=false, instr=0x77ffa8043e30, rerun_the_same_instr=false)

    at /home/bar/maria-git/13.1.m40394.hf/sql/sp_instr.cc:420

#15 0x0000555555abe1d1 in sp_lex_keeper::validate_lex_and_exec_core (

    this=0x77ffa8043e70, thd=0x77ffa8000dd0, nextp=0x7ffff409cc3c, 

    open_tables=false, instr=0x77ffa8043e30)

    at /home/bar/maria-git/13.1.m40394.hf/sql/sp_instr.cc:599

#16 0x0000555555abf79f in sp_instr_stmt::execute (this=0x77ffa8043e30, 

    thd=0x77ffa8000dd0, nextp=0x7ffff409cc3c)

    at /home/bar/maria-git/13.1.m40394.hf/sql/sp_instr.cc:1183

#17 0x0000555555626e20 in sp_head::execute (this=0x77ffa803f3a0, 

    thd=0x77ffa8000dd0, merge_da_on_success=true)

    at /home/bar/maria-git/13.1.m40394.hf/sql/sp_head.cc:1292

#18 0x0000555555629e95 in sp_head::execute_procedure (this=0x77ffa803f3a0, 

    thd=0x77ffa8000dd0, args=0x77ffa80064d0)

    at /home/bar/maria-git/13.1.m40394.hf/sql/sp_head.cc:2329

#19 0x0000555555765d75 in do_execute_sp (thd=0x77ffa8000dd0, sp=0x77ffa803f3a0)

    at /home/bar/maria-git/13.1.m40394.hf/sql/sql_parse.cc:3084

#20 0x0000555555770490 in mysql_execute_command (thd=0x77ffa8000dd0, 

    is_called_from_prepared_stmt=false)

    at /home/bar/maria-git/13.1.m40394.hf/sql/sql_parse.cc:5661

#21 0x00005555557778a6 in mysql_parse (thd=0x77ffa8000dd0, 

    rawbuf=0x77ffa80352a0 "DECLARE\n  TYPE rec_t IS RECORD (i INT, s VARCHAR(10));\n  TYPE tab_t IS TABLE OF rec_t INDEX BY INT;\n  t tab_t:= tab_t(1 => rec_t(0, 'x'));\nBEGIN\n  p1(t(1).i);         \n  SELECT t(1).i, t(1).s;\nEND", 

    length=196, parser_state=0x7ffff409df40)

    at /home/bar/maria-git/13.1.m40394.hf/sql/sql_parse.cc:7945

#22 0x000055555576243c in dispatch_command (command=COM_QUERY, 

    thd=0x77ffa8000dd0, 

    packet=0x77ffa800c3c1 "DECLARE\n  TYPE rec_t IS RECORD (i INT, s VARCHAR(10));\n  TYPE tab_t IS TABLE OF rec_t INDEX BY INT;\n  t tab_t:= tab_t(1 => rec_t(0, 'x'));\nBEGIN\n  p1(t(1).i);         \n  SELECT t(1).i, t(1).s;\nEND;", 

    packet_length=197, blocking=true)

    at /home/bar/maria-git/13.1.m40394.hf/sql/sql_parse.cc:1903

#23 0x0000555555760b49 in do_command (thd=0x77ffa8000dd0, blocking=true)

    at /home/bar/maria-git/13.1.m40394.hf/sql/sql_parse.cc:1437

#24 0x00005555559aba12 in do_handle_one_connection (connect=0x55555978ff50, 

    put_in_cache=true)

    at /home/bar/maria-git/13.1.m40394.hf/sql/sql_connect.cc:1503