[GHC] #4421: Compilation performance regression

[GHC]

#4421: Compilation performance regression
---------------------------------+------------------------------------------
    Reporter:  simonmar          |        Owner:  igloo       
        Type:  bug               |       Status:  new         
    Priority:  highest           |    Milestone:  7.0.2       
   Component:  Compiler          |      Version:  6.12.3      
    Keywords:                    |     Testcase:              
   Blockedby:                    |   Difficulty:              
          Os:  Unknown/Multiple  |     Blocking:              
Architecture:  Unknown/Multiple  |      Failure:  None/Unknown
---------------------------------+------------------------------------------
Changes (by simonpj):

  * milestone:  7.0.1 => 7.0.2


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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/4421#comment:3>
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