[GHC] #8813: further support deriving instances Typeable1, Typeable2, etc

[GHC]

#8813: further support deriving instances Typeable1, Typeable2, etc
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        Reporter:  maeder                     |            Owner:  dreixel
            Type:  task                       |           Status:  merge
        Priority:  normal                     |        Milestone:
       Component:  Compiler                   |          Version:
      Resolution:                             |  7.8.1-rc1
Operating System:  Unknown/Multiple           |         Keywords:
 Type of failure:  GHC rejects valid program  |     Architecture:
       Test Case:                             |  Unknown/Multiple
        Blocking:                             |       Difficulty:  Unknown
                                              |       Blocked By:
                                              |  Related Tickets:
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Comment (by dreixel):

 I'm not sure why the `Unsafe` is separate. I guess that was added during
 some `SafeHaskell` sweep. I'd prefer if they are all together, yes, but
 that should probably be done in one go to all the modules in base, at
 least (I suspect `Data.Typeable.Internal` might not be the only module
 with this problem...)

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8813#comment:36>
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