RFR: 8349374: [JVMCI] concurrent use of HotSpotSpeculationLog can crash [v3]

[Vladimir Kozlov]

On Tue, 4 Feb 2025 20:56:53 GMT, Tom Rodriguez <never at openjdk.org> wrote:

>> This ensures that collectFailedSpeculations sees the initialization of the recently allocated failedSpeculationsAddress memory.
>
> Tom Rodriguez has updated the pull request incrementally with one additional commit since the last revision:
> 
>   improve comments

Seems fine.

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Marked as reviewed by kvn (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/23444#pullrequestreview-2596877352