Changes to ghc

Changes to ghc:
commit 4dea15a05c6d8425c09a7d8530826f8568321bb0
Author: Simon Peyton Jones <simonpj@microsoft.com>
Date:   Fri May 23 09:41:27 2014 +0100

    Bump bytes-allocated for T3064

    I'm not sure why this has increased, but it seems small