[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:  goldfire
            Type:  bug               |               Status:  merge
        Priority:  highest           |            Milestone:  8.0.1
       Component:  Compiler (Type    |              Version:  8.1
  checker)                           |
      Resolution:                    |             Keywords:  TypeInType
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  Compile-time      |            Test Case:
  crash                              |  polykinds/T11399
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Changes (by simonpj):

 * testcase:   => polykinds/T11399
 * status:  new => merge


Comment:

 Ha!  One fix closes four tickets.  Merge to 8.0 branch.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11399#comment:5>
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