ARM test results

[Stefan Ring]

> I tried to run the regression tests on the old Zero-based
> ARM OpenJDK, but without success.  It always hangs at some
> point with what looks like a deadlock in the test harness.

Sounds very much like what is going on with CACAO on i386. CACAO i386
doesn’t yet have proper memory barriers for volatiles, and has broken
handling of volatile longs, so I put the blame on this. But I cannot
say for sure.