[GHC] #5777: core lint error with arrow notation and GADTs

[GHC]

#5777: core lint error with arrow notation and GADTs
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    Reporter:  benmos            |       Owner:                    
        Type:  bug               |      Status:  new               
    Priority:  normal            |   Milestone:  7.6.2             
   Component:  Compiler          |     Version:  7.4.2             
    Keywords:  arrows, GADTs     |          Os:  MacOS X           
Architecture:  Unknown/Multiple  |     Failure:  Compile-time crash
  Difficulty:  Unknown           |    Testcase:                    
   Blockedby:                    |    Blocking:                    
     Related:                    |  
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Changes (by simonpj):

 * cc: ross (added)


Comment:

 Ross, do you feel able to help with this.  I have no clue.

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5777#comment:8>
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