7.5 backend crash

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Hi all,
I'm playing with complex row type:

kalman=# create table test ( a integer, b integer );
CREATE TABLE
kalman=# create table test1 ( c integer , d test );
CREATE TABLE
kalman=# insert into test1 values ( 1, (2,3) );
INSERT 17277 1
kalman=# select * from test1;
~ c | d
- ---+-------
~ 1 | (2,3)
(1 row)

kalman=# alter table test drop column b;
ALTER TABLE <--- Here I think the server shall complain about
~ ( 7.4 doesn't complain neither )

the following select on table test1 will crash the back end

kalman=# select * from test1;
server closed the connection unexpectedly
~ This probably means the server terminated abnormally
~ before or while processing the request.
The connection to the server was lost. Attempting reset: Failed.
!>

Regards
Gaetano Mendola

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