[GHC] #14174: GHC panic with TypeInType and type family

[GHC]

#14174: GHC panic with TypeInType and type family
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        Reporter:  dfeuer            |                Owner:  (none)
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:  8.2.3
       Component:  Compiler (Type    |              Version:  8.2.1
  checker)                           |
      Resolution:                    |             Keywords:  TypeInType
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  Compile-time      |            Test Case:
  crash or panic                     |  polykinds/T14174.hs, T14174a
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Changes (by simonpj):

 * testcase:   => polykinds/T14174.hs, T14174a


Comment:

 Still open because I need to fix the example in comment:5 (which is
 `T14174a`).

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/14174#comment:7>
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