[GHC] #12399: DeriveFunctor fail

[GHC]

#12399: DeriveFunctor fail
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        Reporter:  osa1              |                Owner:
            Type:  bug               |               Status:  closed
        Priority:  normal            |            Milestone:  8.0.2
       Component:  Compiler (Type    |              Version:  8.1
  checker)                           |
      Resolution:  fixed             |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):  Phab:D2404
       Wiki Page:                    |
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Changes (by RyanGlScott):

 * status:  patch => closed
 * resolution:   => fixed
 * milestone:  8.2.1 => 8.0.2


Comment:

 I think this deserves to go into 8.0.2, if possible.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/12399#comment:4>
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