[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:
            Type:  task                       |           Status:  closed
        Priority:  normal                     |        Milestone:
       Component:  Compiler                   |          Version:
      Resolution:  wontfix                    |  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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Changes (by dreixel):

 * status:  new => closed
 * resolution:   => wontfix


Comment:

 `Typeable2` no longer exists. If you need your code to work with both 7.8
 and 7.6, you can use `CPP`. There's also `Data.OldTypeable` in 7.8. Some
 more information:

 https://ghc.haskell.org/trac/ghc/wiki/GhcKinds/PolyTypeable

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8813#comment:1>
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