RFR: 8315880: change LockingMode default from LM_LEGACY to LM_LIGHTWEIGHT

[Roman Kennke]

On Thu, 5 Oct 2023 10:09:33 GMT, Julian Waters <jwaters at openjdk.org> wrote:

> I think this may have broken JDK-8288293 😅
> 
> Is there any compiler specific implementation involved with the new lightweight locking? Just a quick question, I can figure out the rest on my own

Not that I am aware of. AFAIK, it works fine with various versions of GCC on Linux, Xcode on MacOS and VS on Windows.

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PR Comment: https://git.openjdk.org/jdk/pull/15797#issuecomment-1748605692