[Bug tree-optimization/34176] [4.3 Regression] SCCVN breaks gettext

[rguenth at gcc dot gnu dot org]

------- Comment #14 from rguenth at gcc dot gnu dot org  2007-11-22 20:54 -------
Created an attachment (id=14615)
 --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=14615&action=view)
prototype patch

Patch clearing the optimistic tables before every iteration and doing a
fallback
lookup on the valid tables if the optimistic table lookup failed.  Also has a
testcase that aborts if it is miscompiled rather than looping forever.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34176