[GHC] #9071: Panic with -XDeriveFunctor when deriving from a non-Functor in a separate module

[GHC]

#9071: Panic with -XDeriveFunctor when deriving from a non-Functor in a separate
module
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        Reporter:  bens                          |            Owner:
            Type:  bug                           |  simonpj
        Priority:  normal                        |           Status:  merge
       Component:  Compiler                      |        Milestone:
      Resolution:                                |          Version:  7.8.2
Operating System:  Unknown/Multiple              |         Keywords:
 Type of failure:  Compile-time crash            |     Architecture:
       Test Case:  deriving/should_fail/T9071,   |  Unknown/Multiple
  T9071_2                                        |       Difficulty:
        Blocking:                                |  Unknown
                                                 |       Blocked By:
                                                 |  Related Tickets:
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Changes (by simonpj):

 * status:  new => merge
 * testcase:   => deriving/should_fail/T9071, T9071_2


Comment:

 Fixed.  Please merge to 7.8 branch.

 Simon

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9071#comment:6>
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