[GHC] #457: Strictness problem

[GHC]

#457: Strictness problem
-------------------------+--------------------------------------------------
  Reporter:  nilsanders  |          Owner:  simonpj
      Type:  bug         |         Status:  new    
  Priority:  normal      |      Milestone:         
 Component:  Compiler    |        Version:  6.4.1  
  Severity:  minor       |     Resolution:  None   
  Keywords:              |             Os:  Unknown
Difficulty:  Unknown     |   Architecture:  Unknown
-------------------------+--------------------------------------------------
Changes (by simonpj):

  * architecture:  => Unknown
  * difficulty:  => Unknown
  * status:  assigned => new
  * owner:  nobody => simonpj
  * os:  => Unknown

Comment:

 Related to #317.

 Caused by the fact that we eta-expand around the case expression.  Not
 eta-expanding hurts performance in important cases (we think).  Still
 thinking what to do about this; it's technically wrong but seldom seems to
 bite in practice.

 Simon

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/457>
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