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From: Tom Lane <tgl@sss.pgh.pa.us>
To: David Rowley <dgrowleyml@gmail.com>
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Subject: Re: pgsql: Introduce CompactAttribute array in TupleDesc
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David Rowley <dgrowleyml@gmail.com> writes:
> I am looking at the buildfarm. It's fairly apparent that I've broken
> something. I'm planning on reverting this shortly.

Just a gut-level guess, but I'm wondering about something like
uninitialized fields that happen to work as long as the memory
was zero to start with.  A run under valgrind might offer insight.

			regards, tom lane