[master] RFR: 8304690: [Lilliput] Increase size of C2HandleAnonOMOwnerStub on x86

[Thomas Stuefe]

On Tue, 21 Mar 2023 18:01:00 GMT, Roman Kennke <rkennke at openjdk.org> wrote:

> Deeper testing has revealed that the C2HandleAnonOMOwnerStub can take 18 bytes instead of currently used 17. We shall increase the max_size() for that stub. I haven't seen it on any of my machines, but it came up in testing of [JDK-8291555](https://bugs.openjdk.org/browse/JDK-8291555) in Oracle's testing infra. It's probably rare and/or machine dependent.
> 
> Testing:
>  - [x] tier1

lgtm

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Marked as reviewed by stuefe (Committer).

PR Review: https://git.openjdk.org/lilliput/pull/82#pullrequestreview-1351139878