patch applied (ghc): Extend eta reduction to work with casted arguments

[Simon Peyton Jones]

Wed Sep 15 15:12:29 PDT 2010  simonpj at microsoft.com
  * Extend eta reduction to work with casted arguments
  
  See Trac #4201, and 
  Note [Eta reduction with casted arguments]
  
  Thanks to Louis Wasserman for suggesting this, and
  implementing an early version of the patch

    M ./compiler/coreSyn/CoreUtils.lhs -6 +63

View patch online:
http://darcs.haskell.org/cgi-bin/darcsweb.cgi?r=ghc;a=darcs_commitdiff;h=20100915221229-1287e-0e67ab25904451d41110629781652adc3e4ff0a8.gz