RFR: 8376822: UseCompactObjectHeaders: fill Klass alignment gaps in AOT cache [v2]

[Ashutosh Mehra]

On Mon, 23 Feb 2026 16:22:48 GMT, Ioi Lam <iklam at openjdk.org> wrote:

>> Yes, the rules are the same. It is needed to add regression test if it is possible. So the question if it worth to do this for this fix or not. 
>> See more info noreg labels:
>> https://openjdk.org/guide/#noreg
>> This issue might be marked as noreg-perf.
>
>> Yes, the rules are the same. It is needed to add regression test if it is possible. So the question if it worth to do this for this fix or not. See more info noreg labels: https://openjdk.org/guide/#noreg This issue might be marked as noreg-perf.
> 
> I will try to add some test cases. It will be verify difficult to examine the object layouts, but I can do some basic tests that parse the UL logs.

@iklam thanks for clarifications.

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PR Comment: https://git.openjdk.org/jdk/pull/29869#issuecomment-3974646431