RFR: 8355022: Implement JEP 506: Scoped Values [v3]

[Alan Bateman]

On Tue, 29 Apr 2025 07:54:23 GMT, Andrew Haley <aph at openjdk.org> wrote:

>> Propose to finalize scoped values.
>> The only functional change is that the orElse() method no longer accepts a null argument.
>
> Andrew Haley has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Since when?

test/jdk/java/lang/ScopedValue/ScopedValueAPI.java line 424:

> 422:         assertThrows(NullPointerException.class, () -> carrier.run(null));
> 423:         assertThrows(NullPointerException.class, () -> carrier.call(null));
> 424:         assertThrows(NullPointerException.class, () -> carrier.run(() -> name.orElse(null)));

Thanks for brining in the update to ScopedValueAPI test. The `@enablePreview` can be removed from the test description of this test, and the others in this directory that don't use STS.

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PR Review Comment: https://git.openjdk.org/jdk/pull/24923#discussion_r2065949496