[GHC] #826: Optimization breaks strictness with IO

[GHC]

#826: Optimization breaks strictness with IO
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  Reporter:  aljee at hyper.cx  |          Owner:           
      Type:  bug             |         Status:  closed   
  Priority:  normal          |      Milestone:           
 Component:  Compiler        |        Version:  6.4.2    
  Severity:  minor           |     Resolution:  duplicate
  Keywords:                  |             Os:  Unknown  
Difficulty:  Unknown         |   Architecture:  Unknown  
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Changes (by simonmar):

  * resolution:  => duplicate
  * status:  new => closed

Comment:

 This looks like another instance of #457

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/826>
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