[lilliput-jdk21u:lilliput] RFR: 8310513: [s390x] Intrinsify recursive ObjectMonitor locking

[Amit Kumar]

On Fri, 28 Jun 2024 07:46:07 GMT, Amit Kumar <amitkumar at openjdk.org> wrote:

> Hi all,
> 
> This pull request contains a backport of commit [47df1459](https://github.com/openjdk/jdk/commit/47df14590c003ccb1607ec0edfe999fcf2aebd86) from the [openjdk/jdk](https://git.openjdk.org/jdk) repository.
> 
> The commit being backported was authored by Amit Kumar on 10 Apr 2024 and was reviewed by Lutz Schmidt and Martin Doerr.
> 
> Thanks!

Almost clean backport, I got conflicts in copyright headers only.

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PR Comment: https://git.openjdk.org/lilliput-jdk21u/pull/33#issuecomment-2196348900