[GHC] #609: Useful optimisation for set-cost-centre

[GHC]

#609: Useful optimisation for set-cost-centre
-----------------------------------------+----------------------------------
  Reporter:  simonpj                     |          Owner:  simonmar        
      Type:  task                        |         Status:  new             
  Priority:  high                        |      Milestone:  7.4.1           
 Component:  Profiling                   |        Version:  None            
Resolution:  None                        |       Keywords:                  
  Testcase:                              |      Blockedby:                  
Difficulty:  Moderate (less than a day)  |             Os:  Unknown/Multiple
  Blocking:                              |   Architecture:  Unknown/Multiple
   Failure:  None/Unknown                |  
-----------------------------------------+----------------------------------
Changes (by simonmar):

  * owner:  => simonmar
  * failure:  => None/Unknown
  * priority:  normal => high
  * component:  Compiler => Profiling
  * milestone:  _|_ => 7.4.1


-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/609#comment:9>
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