patch applied (ghc): Add a debugTrace for the phases that we run

[Ian Lynagh]

Thu Jul 29 13:15:03 PDT 2010  Ian Lynagh <igloo at earth.li>
  * Add a debugTrace for the phases that we run

    M ./compiler/main/DriverPhases.hs -1 +4
    M ./compiler/main/DriverPipeline.hs -1 +3

View patch online:
http://darcs.haskell.org/cgi-bin/darcsweb.cgi?r=ghc;a=darcs_commitdiff;h=20100729201503-3fd76-af9665ccace1ae0bbccc87fb6afd2d354d3dea1a.gz