patch applied (ghc): Improve the simple expression optimiser so it does simple beta reduction

[Simon Peyton Jones]

Thu Oct 21 01:50:30 PDT 2010  simonpj at microsoft.com
  * Improve the simple expression optimiser so it does simple beta reduction

    M ./compiler/coreSyn/CoreSubst.lhs -31 +43

View patch online:
http://darcs.haskell.org/cgi-bin/darcsweb.cgi?r=ghc;a=darcs_commitdiff;h=20101021085030-1287e-4de16839dfaf22b886e0106af31127447889e495.gz