[GHC] #5075: CPR optimisation for sum types if only one constructor is used

[GHC]

#5075: CPR optimisation for sum types if only one constructor is used
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    Reporter:  batterseapower    |       Owner:              
        Type:  feature request   |      Status:  patch       
    Priority:  normal            |   Component:  Compiler    
     Version:  7.0.3             |    Keywords:              
    Testcase:                    |   Blockedby:              
          Os:  Unknown/Multiple  |    Blocking:              
Architecture:  Unknown/Multiple  |     Failure:  None/Unknown
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Changes (by batterseapower):

  * status:  new => patch


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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5075#comment:1>
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