[GHC] #683: RULES for recursive functions don't work properly

[GHC]

#683: RULES for recursive functions don't work properly
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  Reporter:  simonpj   |          Owner:  simonpj
      Type:  bug       |         Status:  new    
  Priority:  normal    |      Milestone:  6.6    
 Component:  Compiler  |        Version:  6.4.1  
  Severity:  normal    |     Resolution:         
  Keywords:            |             Os:  Unknown
Difficulty:  Unknown   |   Architecture:  Unknown
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Comment (by simonmar):

 See also #707

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Ticket URL: <http://cvs.haskell.org/trac/ghc/ticket/683>
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