patch applied (ghc): Fix lifting of case expressions

Roman Leshchinskiy rl at cse.unsw.edu.au
Fri Dec 14 20:59:57 EST 2007

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Fri Dec 14 16:08:37 PST 2007  Roman Leshchinskiy <rl at cse.unsw.edu.au>
  * Fix lifting of case expressions
  
  We have to explicity check for empty arrays in each alternative as recursive
  algorithms wouldn't terminate otherwise.

    M ./compiler/vectorise/Vectorise.hs -7 +13

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