RFR: 8275950: Use only _thread_in_vm in ~ThreadBlockInVMPreprocess() [v3]

[Daniel D.Daugherty]

On Mon, 1 Nov 2021 14:38:41 GMT, Patricio Chilano Mateo <pchilanomate at openjdk.org> wrote:

>> Please review this small change. Since _thread_in_vm is already an unsafe state there is no need to use the intermediate _thread_blocked_trans state when transitioning back in ~ThreadBlockInVMPreprocess(). Tested tiers1-3 in mach5.
>> 
>> Thanks,
>> Patricio
>
> Patricio Chilano Mateo has updated the pull request incrementally with one additional commit since the last revision:
> 
>   fix comment in ~ThreadBlockInVMPreprocess()

Thanks for fixing the comment and for the additional clarifications.

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Marked as reviewed by dcubed (Reviewer).

PR: https://git.openjdk.java.net/jdk/pull/6120