Re: 2x compile warning

Kris Jurka <books@ejurka.com> writes:
> Also I was testing a gcc 4.2 snapshot (20060419) and it has a whole lot of 
> warnings stemming from heap_getattr's isnull check:
> aclchk.c:791: warning: the address of 'isNull', will always evaluate as 
> 'true'

We need to lobby the gcc maintainers to not give warnings about valid
and perfectly reasonable code.  I'm not thrilled with changing the API
of a key macro for no other reason than that gcc has started to complain
about it.
        regards, tom lane