[GHC] #5954: Performance regression 7.0 -> 7.2 (still in 7.4)

[GHC]

#5954: Performance regression 7.0 -> 7.2 (still in 7.4)
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    Reporter:  simonmar          |       Owner:  simonpj                
        Type:  bug               |      Status:  new                    
    Priority:  high              |   Milestone:  7.4.2                  
   Component:  Compiler          |     Version:  7.4.1                  
    Keywords:                    |          Os:  Unknown/Multiple       
Architecture:  Unknown/Multiple  |     Failure:  Runtime performance bug
  Difficulty:  Unknown           |    Testcase:                         
   Blockedby:                    |    Blocking:                         
     Related:                    |  
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Changes (by simonmar):

  * owner:  => simonpj


Comment:

 Assigning to simonpj as this is probably linked to #5623, which Simon is
 working on.

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5954#comment:3>
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