BUG #13004: PostgreSQL 9.5 policy for table bug?

The following bug has been logged on the website:

Bug reference: 13004
Logged by: digoal
Email address: digoal(at)126(dot)com
PostgreSQL version: Unsupported/Unknown
Operating system: CentOS 6
Description:

postgres=# \d test
Table "public.test"
Column | Type | Modifiers
--------+---------+-----------
id | integer |
r | name |
Policies:
POLICY "p4" FOR UPDATE
TO r3
USING (r = "current_user"())
postgres=# \c postgres r3
You are now connected to database "postgres" as user "r3".

postgres=> update test set id=4 where r='r3';
UPDATE 1

There is no policy for r3's select command , why cann't see rows?

postgres=> select * from test;
id | r
----+---
(0 rows)

postgres=# create policy p1 on test for select to r3 using ( r =
current_user);
CREATE POLICY
postgres=# \d+ test
Table "public.test"
Column | Type | Modifiers | Storage | Stats target | Description
--------+---------+-----------+---------+--------------+-------------
id | integer | | plain | |
r | name | | plain | |
Policies:
POLICY "p1" FOR SELECT
TO r3
USING (r = "current_user"())
POLICY "p4" FOR UPDATE
TO r3
USING (r = "current_user"())
postgres=# \c postgres r3
You are now connected to database "postgres" as user "r3".
postgres=> select * from test;
id | r
----+----
4 | r3
(1 row)

There is no policy for r3's delete command , why cann't delete?

postgres=> delete from test ;
DELETE 0

another nonsuper role , and not owner:

postgres=> \c postgres r1
You are now connected to database "postgres" as user "r1".
postgres=# select * from test;
id | r
----+----
1 | r1
2 | r2
4 | r1
4 | r2
4 | r1
4 | r2
4 | r1
4 | r3
(8 rows)