[GHC] #11560: panic: isInjectiveTyCon sees a TcTyCon

[GHC]

#11560: panic: isInjectiveTyCon sees a TcTyCon
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        Reporter:  rwbarton          |                Owner:
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Compiler (Type    |              Version:  8.1
  checker)                           |
      Resolution:                    |             Keywords:  TypeInType
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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Changes (by rwbarton):

 * keywords:   => TypeInType


Comment:

 I'll mark this as a TypeInType ticket since I don't know how to cause the
 panic without TypeInType, though of course it may really be an issue with
 injective type families.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11560#comment:2>
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