[Bug tree-optimization/20605] [4.1 Regression] gcc.dg/tree-ssa/loop-4.c scan-tree-dump-times iter 0 fails

[jsm28 at gcc dot gnu dot org]

------- Additional Comments From jsm28 at gcc dot gnu dot org  2005-04-17 22:25 -------
Binary search on ia64-hpux shows the failure appeared between 2005-03-22 22:04
UTC and 2005-03-22 22:30 UTC.  The only plausibly responsible patch in that range is

2005-03-22  Zdenek Dvorak  <dvorakz@suse.cz>

        * tree-ssa-loop-ivopts.c (determine_iv_cost): Do not try to preserve
        artificial original candidates.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20605