Changes to ghc testsuite

Changes to ghc:
commit 1df2116c221941ef40a0f6f8fb7dcc42c56738e7
Author: Joachim Breitner <mail@joachim-breitner.de>
Date:   Thu Nov 28 12:07:14 2013 +0000

    EvCast needs to take a representational coercion

    as the coercions for type literals are of that role.

Changes to testsuite:
commit 4afbacc299d843eb632df1f71eee2c91746c85a8
Author: Joachim Breitner <mail@joachim-breitner.de>
Date:   Thu Nov 28 12:36:15 2013 +0000

    Update some perf results for master