[Bug middle-end/42577] [4.4 Regression] array bounds false positive with -O3, goes away with -O2

[rguenth at gcc dot gnu dot org]

------- Comment #9 from rguenth at gcc dot gnu dot org  2010-01-03 22:33 -------
The patch should apply more-or-less literally to the 4.4 branch.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42577