patch applied (ghc): Treat some standard data cons specially during vectorisation

[Roman Leshchinskiy]

Wed Dec 12 19:48:55 PST 2007  Roman Leshchinskiy <rl at cse.unsw.edu.au>
  * Treat some standard data cons specially during vectorisation
  
  This is a temporary hack which allows us to vectorise literals.

    M ./compiler/vectorise/Vectorise.hs +11