RFR: 8323122: AArch64: Increase itable stub size estimate

[Evgeny Astigeevich]

On Mon, 15 Jan 2024 06:14:39 GMT, Yude Lin <duke at openjdk.org> wrote:

>> Marked as reviewed by aph (Reviewer).
>
> @theRealAph Do you mind sponsoring this change? Thank you.

@linade This is not the first time estimates are updated. JDK-8207343 was implemented to automate vtable/itable stub size calculation. I think it needs improvements. I created JDK-8323741.

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PR Comment: https://git.openjdk.org/jdk/pull/17336#issuecomment-1892447408