[lworld] RFR: 8373575: [lworld] Fix and problem list failing JDK, langtools and HotSpot tier 1 tests under --enable-preview [v5]

[Paul Hübner]

On Mon, 15 Dec 2025 19:47:21 GMT, Daniel D. Daugherty <dcubed at openjdk.org> wrote:

>> Paul Hübner has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains five additional commits since the last revision:
>> 
>>  - Merge branch 'lworld' into JDK-8373575
>>  - Move some tests to Xcomp list.
>>  - Add failing test to problemlist.
>>  - Add one of the AOT tests.
>>  - Problemlist and fix.
>
> test/langtools/TEST.ROOT line 53:
> 
>> 51:     vm.continuations \
>> 52:     vm.debug \
>> 53:     java.enablePreview
> 
> This just requires the `java.enablePreview` property to be set to `true` or `false`.
> It does not require `java.enablePreview` == `true`, correct?

This is required for us to be able to evaluate `java.enablePreview` in a JTREG `@requires` annotation. All properties are included on an allowlist basis, this is said allowlist.

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PR Review Comment: https://git.openjdk.org/valhalla/pull/1793#discussion_r2622410518