Withdrawn: JDK-8269423: ZGC: Support pinned Object and remove/simplify GCLocker usage in ZGC

[Hamlin Li]

On Thu, 1 Jul 2021 09:21:33 GMT, Hamlin Li <mli at openjdk.org> wrote:

> This PR is not an real intention to push current implementation, and current implementation does not support ZVerifyViews (which was pointed out by Per at https://github.com/openjdk/jdk/pull/4638#issuecomment-872033165).
> 
> Let's see if this solution is feasible and how to support ZVerifyViews efficiently.

This pull request has been closed without being integrated.

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PR: https://git.openjdk.java.net/jdk/pull/4650