[GHC] #11399: Ill-kinded instance head involving -XTypeInType can invoke GHC panic

[GHC]

#11399: Ill-kinded instance head involving -XTypeInType can invoke GHC panic
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        Reporter:  RyanGlScott       |                Owner:
            Type:  bug               |               Status:  new
        Priority:  highest           |            Milestone:  8.0.1
       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 ekmett):

 * priority:  normal => highest
 * cc: ekmett (added)
 * milestone:   => 8.0.1


Comment:

 Upgrading to `highest` as this can affect normal users, not just those on
 the bleeding edge.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11399#comment:2>
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