2008-06-20  Bernhard Fischer  <aldot@gcc.gnu.org>

        * tree-ssa-pre.c: Fix typo in comment.
        (init_antic, fini_antic): Add explicit funtions for
        initializing and deinitializing ANTIC and AVAIL sets.
        (create_expression_by_pieces): Fix typo in comment.
        Remove redundant set of new_stuff and use NULL_TREE instead of
        NULL.
        (execute_pre): Eventually dump details about ANTIC_IN.

From-SVN: r136984