[Bug tree-optimization/18587] build_v_may_defs and build_vuses should be hastables instead of varray

[pinskia at gcc dot gnu dot org]

------- Additional Comments From pinskia at gcc dot gnu dot org  2004-11-22 
17:24 -------
That 9% should have been a 90%.

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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18587