[GHC] #1875: Compiling with -O is 30 times slower than with -Onot

[GHC]

#1875: Compiling with -O is 30 times slower than with -Onot
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 Reporter:  simonpj      |          Owner:         
     Type:  bug          |         Status:  new    
 Priority:  normal       |      Milestone:  6.8.3  
Component:  Compiler     |        Version:  6.8.1  
 Severity:  normal       |     Resolution:         
 Keywords:  performance  |     Difficulty:  Unknown
 Testcase:               |   Architecture:  Unknown
       Os:  Unknown      |  
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Changes (by igloo):

  * keywords:  => performance

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/1875#comment:2>
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