[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 20:05:58 GMT, Leonid Mesnik <lmesnik at openjdk.org> wrote:

>> test/jdk/ProblemList-Xcomp.txt line 35:
>> 
>>> 33: valhalla/valuetypes/ObjectNewInstance.java                      8369045 macosx-all
>>> 34: valhalla/valuetypes/ProxyTest.java                              8369045 macosx-all
>>> 35: valhalla/valuetypes/WeakReferenceTest.java                      8369045 macosx-all
>> 
>> Do these tests only fail with `-Xcomp` when `--enable-preview` is used?
>> Or do these tests only fail with `-Xcomp` in `lworld` regardless of the `--enable-preview` value?
>> 
>> If it's the latter case, then `ProblemList-Xcomp.txt` is the right place.
>> 
>> Reading through [JDK-8369045](https://bugs.openjdk.org/browse/JDK-8369045), it sounds like
>> `--enable-preview` is necessary so I don't think `ProblemList-Xcomp.txt` is the right place.
>
> valhalla/valutypes/ tests add `--enable-preview` so they are going to fail if executed with `-Xcomp` only.

As Leonid said: `-Xcomp`'s PL is the right place since all of these tests are designed with `@enablePreview`.

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PR Review Comment: https://git.openjdk.org/valhalla/pull/1793#discussion_r2622408199