Compiler thread crashing in JDK 10-ea b37, still occuring in b41

[Roland Westrelin]

Hi Uwe,

> Is there already work going on, or is this a new bug? If it's fixed on
> the JDK10 repo just give me the build number that should have a fix to
> try, otherwise we should open a bug report.

Thanks for the bug report. I can reproduce it and it's not a known issue
AFAICT. It seems related to loop strip mining: it doesn't reproduce with
-XX:-UseCountedLoopSafepoints on my machine. I will take a closer look.

Roland.