patch applied (ghc): new signatures for splicing functions, new postorder_dfs

[nr at eecs.harvard.edu]

Thu Sep 13 10:36:53 PDT 2007  Norman Ramsey <nr at eecs.harvard.edu>
  * new signatures for splicing functions, new postorder_dfs

    M ./compiler/cmm/ZipCfg.hs -22 +111
    M ./compiler/cmm/ZipCfgExtras.hs -3 +6
    M ./compiler/cmm/ZipDataflow.hs -81 +99