Cascade delete views?

Doing the following:
   create table test (f1 int);   create view v_test as select f1+1 as f11 from test;   drop table test;

then selecting from the view results in:
   ERROR:  Relation 'test' does not exist

which is fine.

Then I try:
   create table test (f1 int);   select * from v_test;

and I get:
   ERROR:  has_subclass: Relation 19417 not found

which not very helpful for the person who does not know the history, and
leads me to believe that there may be a few issues here. 

Should a 'DROP TABLE' drop the views, fail, or be recoverable from by
recreating the table?


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