[GHC] #10443: Regression in forall typechecking

[GHC]

#10443: Regression in forall typechecking
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        Reporter:  alanz             |                   Owner:  simonpj
            Type:  bug               |                  Status:  new
        Priority:  highest           |               Milestone:  7.10.2
       Component:  Compiler (Type    |                 Version:  7.10.1
  checker)                           |                Keywords:
      Resolution:                    |            Architecture:
Operating System:  Unknown/Multiple  |  Unknown/Multiple
 Type of failure:  GHC rejects       |               Test Case:
  valid program                      |                Blocking:
      Blocked By:                    |  Differential Revisions:
 Related Tickets:                    |
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Comment (by alanz):

 I've just noticed that line 294

 {{{#!haskell
 deriving instance Generic Version
 }}}

 in `Language.Haskell.GhcMod.Types` needs to be commented out too.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10443#comment:3>
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