RFR: 8360884: Better scoped values [v3]

[Chen Liang]

On Mon, 30 Jun 2025 13:09:57 GMT, Andrew Haley <aph at openjdk.org> wrote:

>> Scoped values cannot be used early in the JDK boot process because of some dependencies on System.getProperty(). This dependency should be removed in a way that allows scoped values to be created (but not necessarily bound) at any stage during boot.
>> 
>> Also, Scoped Value's constructor has a synchronized block, which limits the use of scoped values at runtime. Constructing a scoped value should be a thread-local operation.
>
> Andrew Haley has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Move THREAD_LOCAL_RANDOM_ACCESS into class Cache.Constants

Thanks for this update. Looks much cleaner.

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Marked as reviewed by liach (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/26019#pullrequestreview-2971209484