Changes to ghc

Changes to ghc:
commit a77e07970a89f2101e3c4f0429c6f426f06f1faf
Author: Edward Z. Yang <ezyang@cs.stanford.edu>
Date:   Wed Jul 9 19:01:11 2014 +0100

    Start expanding out linking text

    Signed-off-by: Edward Z. Yang <ezyang@cs.stanford.edu>