[lworld] RFR: 8374554: [lworld] Field layout assert with UseCompactObjectHeaders

[Frederic Parain]

On Wed, 7 Jan 2026 17:31:21 GMT, Coleen Phillimore <coleenp at openjdk.org> wrote:

>> Fix an issue in the logic processing the beginning of a field layout, abstract value class with fields were processing correctly.
>> 
>> Add more configurations to tests in order to cover compact object headers too.
>> Re-enabled some tests that were disabled, an extended them to cover compact object headers too.
>> 
>> Tested with Mach5 tier 1 to 3.
>> 
>> Thank you,
>> 
>> Fred
>
> Also Happy New Year!  Can you update copyright headers?

Thanks @coleenp for the review.

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PR Comment: https://git.openjdk.org/valhalla/pull/1862#issuecomment-3723812971