[GHC] #3244: Associated type panic

[GHC]

#3244: Associated type panic
------------------------+---------------------------------------------------
Reporter:  heatsink     |          Owner:                         
    Type:  bug          |         Status:  new                    
Priority:  normal       |      Component:  Compiler (Type checker)
 Version:  6.10.1       |       Severity:  normal                 
Keywords:  type family  |       Testcase:                         
      Os:  Linux        |   Architecture:  x86_64 (amd64)         
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 GHC panics with the attached use of associated types.  Curiously, if I
 flatten the nested let-clauses in 'foo', the error goes away.

 {{{
 ghc: panic! (the 'impossible' happened)
   (GHC version 6.10.1 for x86_64-unknown-linux):
         initC: srt_lbl
 }}}

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/3244>
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