[GHC] #12055: Typechecker panic instead of proper error

[GHC]

#12055: Typechecker panic instead of proper error
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        Reporter:  bgamari           |                Owner:
            Type:  bug               |               Status:  new
        Priority:  lowest            |            Milestone:  8.0.3
       Component:  Compiler (Type    |              Version:  8.0.1
  checker)                           |
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  Compile-time      |            Test Case:
  crash                              |  polykinds/T12055, T12055a
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Changes (by bgamari):

 * priority:  normal => lowest
 * milestone:  8.0.2 => 8.0.3


Comment:

 It looks like this won't happen for 8.0.2.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/12055#comment:6>
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