Sqlplus returns wrong output for bind variables. (4277988)

An error was encountered with a procedure not returing any value. See below for example.

Given a stored procedure:

Create or Replace procedure p (p_random out varchar2)
is
begin
p_random := 'foo';
end;
/
...

In sqplus command line this can be done: See below for result:

var v varchar2(100)
exec p(:v);
print :v;
returns...
PL/SQL procedure successfully completed.
V

However, executing these same commands in a SQL-style tab in Toad editor returns:

PL/SQL procedure successfully completed.
Bind variable ":v" however not declared.

The only workaround for this is to exetcute with sqlplus via Toad editor (obviously). Please advise.
Is it ER worthy?

WORKAROUND:

Execute query with SQLPLUS via Toad Editor.

Toad | View | Execute SQL via SQLPLUS.


STATUS:

Waiting for fix in a future release Toad for Oracle.