Changes to ghc(2)

Changes to ghc:
commit d34f1c851d6ef01aef109dd3515db17b795056aa
Author: Austin Seipp <austin@well-typed.com>
Date:   Fri Oct 25 22:33:56 2013 -0500

    Revert "Implement shortcuts for slow calls that would require PAPs (#6084)"

    This reverts commit 2f5db98e90cf0cff1a11971c85f108a7480528ed.

commit fb1d2cc9f18f3515379a5e329f8da3bd919a91d4
Author: Austin Seipp <austin@well-typed.com>
Date:   Fri Oct 25 22:33:52 2013 -0500

    Revert "comments"

    This reverts commit 9026c77a07533bda3773c3c3f3df1c6592bc80c7.