[jdk21u] Integrated: 8316958: Add test for unstructured locking

[Aleksey Shipilev]

On Tue, 17 Oct 2023 09:06:27 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

> Clean backport to improve testing.
> 
> Additional testing:
>  - [x] New test passes with different `LockingMode`-s

This pull request has now been integrated.

Changeset: dc8603cb
Author:    Aleksey Shipilev <shade at openjdk.org>
URL:       https://git.openjdk.org/jdk21u/commit/dc8603cb4c2291899eeae3d93ee9ebf77e964378
Stats:     60 lines in 1 file changed: 60 ins; 0 del; 0 mod

8316958: Add test for unstructured locking

Backport-of: bcafec54a52e4c0d92b075de461fcf16d6c100b4

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PR: https://git.openjdk.org/jdk21u/pull/263