[commit: ghc] wip/rae: Refactor according to Simon's suggestions (54c012d)

[git at git.haskell.org]

Repository : ssh://git@git.haskell.org/ghc

On branch  : wip/rae
Link       : http://ghc.haskell.org/trac/ghc/changeset/54c012dff2e0a7728e1bfa8f55c0accbfd2155a6/ghc

>---------------------------------------------------------------

commit 54c012dff2e0a7728e1bfa8f55c0accbfd2155a6
Author: Richard Eisenberg <eir at cis.upenn.edu>
Date:   Fri Sep 18 22:08:29 2015 -0400

    Refactor according to Simon's suggestions


>---------------------------------------------------------------

54c012dff2e0a7728e1bfa8f55c0accbfd2155a6
 compiler/typecheck/TcDeriv.hs                      | 113 +++++++--------------
 compiler/typecheck/TcInstDcls.hs                   |  52 ++++++----
 compiler/typecheck/TcRnDriver.hs                   |   2 +-
 .../tests/indexed-types/should_compile/T10815.hs   |   4 +
 4 files changed, 75 insertions(+), 96 deletions(-)

Diff suppressed because of size. To see it, use:

    git diff-tree --root --patch-with-stat --no-color --find-copies-harder --ignore-space-at-eol --cc 54c012dff2e0a7728e1bfa8f55c0accbfd2155a6