[GHC] #5715: Inliner fails to inline a function, causing 20x slowdown

[GHC]

#5715: Inliner fails to inline a function, causing 20x slowdown
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    Reporter:  bos               |       Owner:                         
        Type:  bug               |      Status:  new                    
    Priority:  normal            |   Milestone:                         
   Component:  Compiler          |     Version:  7.2.1                  
    Keywords:                    |          Os:  Unknown/Multiple       
Architecture:  Unknown/Multiple  |     Failure:  Runtime performance bug
  Difficulty:  Unknown           |    Testcase:                         
   Blockedby:                    |    Blocking:                         
     Related:                    |  
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Comment(by simonpj):

 OK, that might be a bug. Please do repro if you can

 Thanks.

 Simon

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5715#comment:3>
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