On 11-11-10 02:00 PM, Tom Lane wrote:
> Steve Singer<ssinger(at)ca(dot)afilias(dot)info> writes:
>> The man page for malloc on AIX is pretty clear on what happens when you
>> try to malloc 0 bytes. It returns NULL.
>
> Yes, that's a pretty common behavior for malloc(0). It should not cause
> a problem here AFAICS.
>
> ... Oh, I see, the problem is that&labels[-1] might not compare to
> &labels[0] the way we want. I think only the first hunk of your
> patch is actually necessary.
>
> regards, tom lane
>
Yes the problem is still fixed if I only apply the first hunk.