patch applied (ghc-6.10/ghc): TFs: Fixed InstContextNorm (and simplification of IPs)

[Ian Lynagh]

Wed Oct  1 06:13:03 PDT 2008  Manuel M T Chakravarty <chak at cse.unsw.edu.au>
  * TFs: Fixed InstContextNorm (and simplification of IPs)
  
    MERGE TO 6.10

    M ./compiler/typecheck/TcSimplify.lhs -4 +54

View patch online:
http://darcs.haskell.org/ghc-6.10/ghc/_darcs/patches/20081001131303-6295e-c78cd1a4f2d19bed1a498d93993180fbe226c5ce.gz