Bug 5091921: Sign flip issues in loop optimizer

Dawid Weiss dawid.weiss at gmail.com
Mon Mar 21 09:51:06 PDT 2011

> since, as easy to reproduce it, it is also easy to avoid it by modifying
> java program.

Can you expand on this, please? While the issue in Lucene could be
worked around by manually unrolling the loop, I don't see a trivial
fix for the case I was hitting, where was a nesting of two loops with
correlated counters.


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