[GHC] #11600: Panic (ASSERT failed) in compiler/types/TyCoRep.hs:1939

[GHC]

#11600: Panic (ASSERT failed) in compiler/types/TyCoRep.hs:1939
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        Reporter:  hvr               |                Owner:
            Type:  bug               |               Status:  new
        Priority:  highest           |            Milestone:  8.0.1
       Component:  Compiler          |              Version:  8.1
      Resolution:                    |             Keywords:
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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Comment (by Simon Peyton Jones <simonpj@…>):

 In [changeset:"4ddfe1352e20d805a0ad6eeea0400ee218023bfb/ghc" 4ddfe13/ghc]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="4ddfe1352e20d805a0ad6eeea0400ee218023bfb"
 Get the right in-scope set in specUnfolding

 This fixes Trac #11600
 }}}

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11600#comment:12>
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