[GHC] #4936: Unbox sum types without fields

[GHC]

#4936: Unbox sum types without fields
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    Reporter:  tibbe             |       Owner:              
        Type:  feature request   |      Status:  new         
    Priority:  normal            |   Component:  Compiler    
     Version:  7.0.1             |    Keywords:              
    Testcase:                    |   Blockedby:              
          Os:  Unknown/Multiple  |    Blocking:              
Architecture:  Unknown/Multiple  |     Failure:  None/Unknown
---------------------------------+------------------------------------------

Comment(by dons):

 See: http://hackage.haskell.org/trac/ghc/ticket/2289#comment:9

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/4936#comment:1>
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