RFR: 8367982: Unify ObjectSynchronizer and LightweightSynchronizer

[Amit Kumar]

On Fri, 24 Oct 2025 01:16:55 GMT, Fei Yang <fyang at openjdk.org> wrote:

> @bulasevich, @TheRealMDoerr, @RealFYang, @offamitkumar Hi guys! This is the last PR in a series of PRs to obsolete the `LockingMode` flag and related code. So please please grab a copy, run it on your favorite platform, and tell me if there's anything wrong with it. Thanks in advance.

Hi, I ran tier1 and seems like on s390 everything is good.

-------------

PR Comment: https://git.openjdk.org/jdk/pull/27915#issuecomment-3441568007