[GHC] #11648: assertPprPanic, called at compiler/types/TyCoRep.hs:1932

[GHC]

#11648: assertPprPanic, called at compiler/types/TyCoRep.hs:1932
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        Reporter:  thomie            |                Owner:  goldfire
            Type:  bug               |               Status:  new
        Priority:  highest           |            Milestone:  8.0.1
       Component:  Compiler          |              Version:  8.1
      Resolution:                    |             Keywords:  TypeInType
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Changes (by simonpj):

 * keywords:   => TypeInType
 * priority:  normal => highest
 * owner:   => goldfire


Comment:

 Richard, I'm making this 'highest' because it's not just to do with
 substitutions; there seems to be a clear violation of the invariants about
 meta-tyvars.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11648#comment:9>
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