Changes to ghc

Changes to ghc:
commit 03200e8cebb0a20c0a0f608390c80f87f32a3f34
Author: Edward Z. Yang <ezyang@cs.stanford.edu>
Date:   Thu Feb 6 22:20:27 2014 -0800

    Fix some Python brainos in testlib (except e is not valid form).

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