[GHC] #13117: Derived functor instance for void types handles errors badly

[GHC]

#13117: Derived functor instance for void types handles errors badly
-------------------------------------+-------------------------------------
        Reporter:  dfeuer            |                Owner:  dfeuer
            Type:  feature request   |               Status:  closed
        Priority:  normal            |            Milestone:  8.2.1
       Component:  Compiler          |              Version:  8.0.1
      Resolution:  fixed             |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:  #7401, #10577     |  Differential Rev(s):
       Wiki Page:                    |
-------------------------------------+-------------------------------------
Changes (by dfeuer):

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


Comment:

 Replying to [comment:7 RyanGlScott]:
 > Indeed. However, this ticket specifically concerns `Functor`, right? It
 might be best to tackle the other classes in #10577.

 Indeed!

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/13117#comment:8>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler