BUG #4289: drop owned by report ERROR: cache lookup failed for relation 16390

The following bug has been logged online:

Bug reference: 4289
Logged by: crystal
Email address: crystal_lium(at)163(dot)com
PostgreSQL version: 8.3.3
Operating system: linux
Description: drop owned by report ERROR: cache lookup failed for
relation 16390
Details:

$ ./psql TEST
Welcome to psql 8.3.3, the PostgreSQL interactive terminal.

Type: \copyright for distribution terms
\h for help with SQL commands
\? for help with psql commands
\g or terminate with semicolon to execute query
\q to quit

TEST=# create user u1;
CREATE ROLE
TEST=# create user u2;
CREATE ROLE
TEST=# set session authorization u1;
SET
TEST=> create table t1 (a int);
CREATE TABLE
TEST=> set session authorization u2;
SET
TEST=> create view v2 as select * from t1;
CREATE VIEW
TEST=> reset session authorization;
SET
TEST=# drop owned by u1, u2 cascade;
NOTICE: drop cascades to view v2
ERROR: cache lookup failed for relation 16390
TEST=# \d
List of relations
Schema | Name | Type | Owner
--------+------+-------+-------
public | t1 | table | u1
public | v2 | view | u2
(2 rows)