[GHC] #4421: Compilation performance regression

[GHC]

#4421: Compilation performance regression
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    Reporter:  simonmar          |        Owner:  igloo                       
        Type:  bug               |       Status:  new                         
    Priority:  high              |    Milestone:  7.4.1                       
   Component:  Compiler          |      Version:  6.12.3                      
    Keywords:                    |     Testcase:                              
   Blockedby:                    |   Difficulty:                              
          Os:  Unknown/Multiple  |     Blocking:                              
Architecture:  Unknown/Multiple  |      Failure:  Compile-time performance bug
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Changes (by igloo):

  * milestone:  7.2.1 => 7.4.1


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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/4421#comment:7>
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