[PATCH standalone] scmutil: speed up new-style range extension

[Matt Mackall]

On Fri, 2012-06-22 at 12:01 -0700, Bryan O'Sullivan wrote:
> # HG changeset patch
> # User Bryan O'Sullivan <bryano at fb.com>
> # Date 1340391641 25200
> # Node ID df67ebdd65bd5ffd7d2f465374e529fb98c58469
> # Parent  efd2e14f72353626355dc82465bdf23bf6416aa2
> scmutil: speed up new-style range extension

Queued for default, thanks.

-- 
Mathematics is the supreme nostalgia of our time.