[GHC] #12033: [TypeApplications] GHC internal error

[GHC]

#12033: [TypeApplications] GHC internal error
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        Reporter:  Iceland_jack      |                Owner:
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  8.1
      Resolution:                    |             Keywords:
                                     |  TypeApplications
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by sjcjoosten):

 I ran into this too, I'm not sure whether it is the same bug, but I
 managed to reproduce the same GHC internal error in a very small example.
 Based on what the two examples have in common, I would say this has
 something to do with the TypeFamilies switch (without it, ghc works as
 expected).

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/12033#comment:1>
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