RFR: 8291555: Implement alternative fast-locking scheme [v2]

[David Holmes]

On Wed, 18 Jan 2023 18:25:15 GMT, Roman Kennke <rkennke at openjdk.org> wrote:

> This apparently slipped my testing because the test requires vm.flagless, but I would run it with TEST_VM_OPTS="-XX:+UnlockExperimentalVMOptions -XX:+UseFastLocking". 

You need to test this by having it enabled by default, otherwise you may miss many tests that either won't run (flagless) or won't pass the flags through to any exec'd VMs.

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PR: https://git.openjdk.org/jdk/pull/10907