[GHC] #11681: ghc panic with TypeError

[GHC]

#11681: ghc panic with TypeError
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        Reporter:  inaki             |                Owner:
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:  8.0.1
       Component:  Compiler (Type    |              Version:  8.0.1-rc2
  checker)                           |
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  Compile-time      |  Unknown/Multiple
  crash                              |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by bgamari):

 Ahh, yes, I should have noticed that in the GHC output in your
 description. That is -rc2.

 I am quite confused in that case as I can't seem to reproduce this with
 -rc2. Very perplexing.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11681#comment:3>
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