[GHC] #3940: Propagate bug fix into new code generator

[GHC]

#3940: Propagate bug fix into new code generator
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    Reporter:  simonpj           |       Owner:                  
        Type:  bug               |      Status:  new             
    Priority:  low               |   Milestone:  7.6.1           
   Component:  Compiler          |     Version:                  
    Keywords:                    |          Os:  Unknown/Multiple
Architecture:  Unknown/Multiple  |     Failure:  None/Unknown    
  Difficulty:  Unknown           |    Testcase:                  
   Blockedby:                    |    Blocking:                  
     Related:                    |  
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Changes (by simonmar):

  * difficulty:  => Unknown
  * blockedby:  4258 =>


Comment:

 The new codegen does not have this bug.

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/3940#comment:5>
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