RFR: 8291555: Replace stack-locking with fast-locking

[Robbin Ehn]

On Thu, 11 Aug 2022 11:19:31 GMT, Roman Kennke <rkennke at openjdk.org> wrote:

> > > Thanks for giving this PR a spin. I pushed a fix for the aarch64 build problem (seems weird that GHA did not catch it).
> > 
> > 
> > NP, thanks. I notice some other user of owning_thread_from_monitor_owner() such as DeadlockCycle::print_on_with() which asserts on "assert(adr != reinterpret_cast<void*>(1)) failed: must convert to lock object".
> 
> Do you know by any chance which tests trigger this?

Yes, there is a couple of to choose from, I think the jstack cmd may be easiest: jstack/DeadlockDetectionTest.java

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PR: https://git.openjdk.org/jdk/pull/9680