[GHC] #7027: Lots of unnecessary recompilation

[GHC]

#7027: Lots of unnecessary recompilation
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    Reporter:  selinger          |       Owner:                  
        Type:  bug               |      Status:  new             
    Priority:  normal            |   Milestone:                  
   Component:  Compiler          |     Version:  7.4.2           
    Keywords:                    |          Os:  Unknown/Multiple
Architecture:  Unknown/Multiple  |     Failure:  None/Unknown    
  Difficulty:  Unknown           |    Testcase:                  
   Blockedby:                    |    Blocking:                  
     Related:                    |  
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Changes (by simonmar):

  * difficulty:  => Unknown


Comment:

 Could you clarify exactly which version of GHC you're using?  We made some
 improvements in 7.4.2 in this regard: see #5878 and
 c624d2857809f02b29b9089a9526387d4662cb81.

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7027#comment:2>
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