David Rowley <dgrowleyml(at)gmail(dot)com>,
Ashwin Agrawal <aagrawal(at)pivotal(dot)io>,
Pg Hackers <pgsql-hackers(at)postgresql(dot)org>,
Heikki Linnakangas <hlinnaka(at)iki(dot)fi>,
Kevin Grittner <kgrittn(at)gmail(dot)com>
This patch now fails to apply, probably due to a mostly trivial collision with fdd88571454e2b00dbe446e8609c6e4294ca89ae in the test files. Can you submit a rebased version?