Itai Zukerman <zukerman(at)math-hat(dot)com> writes:
> I'm still not having any luck tracking down my SEGV. If anyone is
> interested in debugging or even just reproducing this, I'd be happy to
> post or E-mail you my code. It looks like shortly after calling
> gistSplit() there's maybe a double-free() somewhere?
It might help to build with --enable-cassert, if you didn't already.
regards, tom lane