[Bug tree-optimization/15452] [tree-ssa] Optimize cascaded a = a == 0;

[pinskia at gcc dot gnu dot org]

------- Additional Comments From pinskia at gcc dot gnu dot org  2004-06-21 05:14 -------
Will be submitting my tree combiner tonight.

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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=15452