[GHC] #1216: indexing 2d arrays is slow and leaky. why?

[GHC]

#1216: indexing 2d arrays is slow and leaky. why?
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 Reporter:  claus                     |          Owner:  simonpj
     Type:  run-time performance bug  |         Status:  new    
 Priority:  normal                    |      Milestone:  6.10.1 
Component:  Compiler                  |        Version:  6.6    
 Severity:  normal                    |     Resolution:         
 Keywords:                            |     Difficulty:  Unknown
 Testcase:                            |   Architecture:  Unknown
       Os:  Unknown                   |  
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Changes (by igloo):

  * milestone:  6.8.3 => 6.10.1

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/1216#comment:8>
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