Submitted by: @pavel-zotov

Attachments:
isql-crash-on-show-procedure-command.7z
c1356-show-proc-in-40-broken-stdout.PNG

Run:

create or alter procedure sp_ins_person as begin end;
commit;
recreate table person (
id integer,
name varchar(40)
);
commit;

set term ^;
create or alter procedure sp_ins_person (
id type of column http://person.id,
name type of column http://person.name
) as
declare variable new_id type of column http://person.id;
begin
insert into person (id, name) values (:id, :name) returning id into :new_id;
end^
set term ;^
commit;
show procedure sp_ins_person; --- [ A ]

Standard window about process crash will appear if statement "show procedure ..." is NOT commented.
Dump and error signature see in attached file.