RFR: 8276901: Implement UseHeavyMonitors consistently [v2]

[Leonid Mesnik]

On Fri, 12 Nov 2021 21:38:24 GMT, Roman Kennke <rkennke at openjdk.org> wrote:

>> The testing VM options are set in task definitions. I'll file a separate issue to adjust configs.
>
>> The testing VM options are set in task definitions. I'll file a separate issue to adjust configs.
> 
> This is not necessary. I only need one or a few tests that exercise synchronize statement, and run this with -XX:+UseHeavyMonitors. If no such test exists, then I'll make one.

@rkennke thanks, I don't see any good specific tests to run openjdk regression suite. There are a bunch of tests in JCK, jcstress.  You could also just run tier1 with UseHeavyMonitors as a sanity check. There are also jvmti tests that might be used to verify that JVMTI is not broken with UseHeavyMonitors.

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PR: https://git.openjdk.java.net/jdk/pull/6320