[GHC] #4945: Another SpecConstr infelicity

[GHC]

#4945: Another SpecConstr infelicity
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    Reporter:  batterseapower    |       Owner:                         
        Type:  bug               |      Status:  new                    
    Priority:  normal            |   Component:  Compiler               
     Version:  7.0.1             |    Keywords:                         
    Testcase:                    |   Blockedby:                         
          Os:  Unknown/Multiple  |    Blocking:                         
Architecture:  Unknown/Multiple  |     Failure:  Runtime performance bug
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Comment(by batterseapower):

 OK, I did actually manage to try my fix, and I'm still not getting
 specialisation of that function. That observation might be part of the
 problem, but it's not the whole story.

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/4945#comment:2>
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