[PATCH 1 of 2] perf: add a perfancestors benchmark

[Matt Mackall]

On Tue, 2012-05-15 at 10:46 -0700, Bryan O'Sullivan wrote:
> # HG changeset patch
> # User Bryan O'Sullivan <bryano at fb.com>
> # Date 1337103857 25200
> # Node ID 4c5bca2a37682d39974eb38b5b313597a981b50a
> # Parent  76c744e0c5bbd0900beba49787b7e04ba862939b
> perf: add a perfancestors benchmark

Queued for default, thanks.

-- 
Mathematics is the supreme nostalgia of our time.