Changes to ghc(3)

Changes to ghc:
commit 0e2155ddb10f4ccf53e50064756cbc3ce7dd8832
Author: Simon Peyton Jones <simonpj@microsoft.com>
Date:   Mon Mar 17 13:50:54 2014 +0000

    Test Trac #8889

commit f4d15cb97a0d480d39ef4272192ca731fb732c6d
Author: Simon Peyton Jones <simonpj@microsoft.com>
Date:   Fri Mar 14 13:50:29 2014 +0000

    More debug info

commit 2b3feaa5e6da5f071ffe0325a81a32fd395739b6
Author: Simon Peyton Jones <simonpj@microsoft.com>
Date:   Fri Mar 14 13:50:14 2014 +0000

    Comments only