RFR: JDK-8222125: Shenandoah: Crash when running with ShenandoahParallelSafepointThreads=1

[Roman Kennke]

> On 4/8/19 5:54 PM, Roman Kennke wrote:
> > Bug:
> > https://bugs.openjdk.java.net/browse/JDK-8222125
> > Webrev:
> > http://cr.openjdk.java.net/~rkennke/JDK-8222125/webrev.00/
> 
> Looks fine.
> 
> Would you mind adding a simple "options" test, for example by copy-
> pastng
> gc/shenandoah/options/TestAlwaysPreTouch.java, or maybe
> TestParallelRegionStride, if it needs to
> have at least one GC cycle to expose the bug.


Right. Like this?

http://cr.openjdk.java.net/~rkennke/JDK-8222125/webrev.01/

It fails without and passes with the change.

Roman

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