[jdk17u] RFR: 8273486: Zero: Handle DiagnoseSyncOnValueBasedClasses VM option

[Aleksey Shipilev]

On Wed, 20 Oct 2021 13:24:23 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

> Unclean backport to fix Zero. The uncleanliness comes from the existing test shape in 17u, which uses `UseOptoBiasInlining` that is C2-specific flag, which Zero has no access to. In JDK 18, this was removed along with biased locking deprecation. I opted to fix the test in-place.
> 
> Additional testing:
>  - [x] Linux x86_64 Zero passes the test now
>  - [x] Linux x86_64 Server continues to pass the test

Thanks!

Got the push approval too.

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PR: https://git.openjdk.java.net/jdk17u/pull/209