[GHC] #7003: 'impossible' compile time error, when using `runStream'.

[GHC]

#7003: 'impossible' compile time error, when using `runStream'.
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    Reporter:  dbanas    |       Owner:                    
        Type:  bug       |      Status:  infoneeded        
    Priority:  normal    |   Milestone:                    
   Component:  Compiler  |     Version:  7.0.3             
    Keywords:            |          Os:  Linux             
Architecture:  x86       |     Failure:  Compile-time crash
  Difficulty:  Unknown   |    Testcase:                    
   Blockedby:            |    Blocking:                    
     Related:            |  
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Changes (by simonmar):

  * status:  new => infoneeded
  * version:  7.4.2 => 7.0.3


Comment:

 Please tell us how to reproduce the error.

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7003#comment:3>
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