[GHC] #5272: Performance regression

[GHC]

#5272: Performance regression
---------------------------+------------------------------------------------
  Reporter:  augustss      |          Owner:                  
      Type:  bug           |         Status:  closed          
  Priority:  normal        |      Milestone:                  
 Component:  Compiler      |        Version:  7.0.4           
Resolution:  fixed         |       Keywords:                  
  Testcase:                |      Blockedby:                  
Difficulty:                |             Os:  Unknown/Multiple
  Blocking:                |   Architecture:  Unknown/Multiple
   Failure:  None/Unknown  |  
---------------------------+------------------------------------------------

Comment(by simonpj):

 Lennart, there's a guide to updating to GHC 7 here
 [http://haskell.org/haskellwiki/Upgrading_packages/Updating_to_GHC_7].  If
 you have found anything that isn't documened there, would you consdier you
 adding it, to help others?

 Which points caused you particular pain?

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5272#comment:5>
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