[GHC] #9043: Add missing type class instances for data types in GHC.Generics

[GHC]

#9043: Add missing type class instances for data types in GHC.Generics
-------------------------------------+-------------------------------------
              Reporter:  ocharles    |            Owner:  dreixel
                  Type:  feature     |           Status:  infoneeded
  request                            |        Milestone:  7.10.1
              Priority:  normal      |          Version:  7.8.2
             Component:              |         Keywords:
  libraries/base                     |     Architecture:  Unknown/Multiple
            Resolution:              |       Difficulty:  Unknown
      Operating System:              |       Blocked By:
  Unknown/Multiple                   |  Related Tickets:
       Type of failure:              |
  None/Unknown                       |
             Test Case:              |
              Blocking:              |
Differential Revisions:              |
-------------------------------------+-------------------------------------
Changes (by thoughtpolice):

 * status:  patch => infoneeded
 * milestone:   => 7.10.1


Comment:

 Pedro, any updates on this? Should Ollie's changes be merged or do you
 have some other plans here?

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9043#comment:20>
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