Bruce Momjian <br...@momjian.us> writes:
> Did we conclude any of these were useful?
> http://archives.postgresql.org/pgsql-hackers/2011-03/msg00856.php
> I know there were concerns about some of them in the thread.
Hmm, I guess this slipped through the cracks. I thought that avoiding
memcpy(x, x, n) was unnecessary, and I had doubts about the style of
some of the other changes, but I think we do need to avoid accessing
past the defined end of a data structure. We've seen cases in the past
where one day that structure is right up against the end of memory and
you get a SIGSEGV; there's no good reason to believe it cannot happen
in these places.
regards, tom lane
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