RFR: 8371458: [REDO] Remove exception handler stub code in C2

[Ruben]

On Mon, 10 Nov 2025 10:13:20 GMT, Tobias Hartmann <thartmann at openjdk.org> wrote:

>> Sure, I submitted testing.
>
>> Sure, I submitted testing.
> 
> All testing passed. I leave it to the original reviewers to re-review.

Thanks, @TobiHartmann, for the extra tests, and apologies for missing this in the original PR.

@TheRealMDoerr, I will update the PR to add comments.

I am exploring a possibility to add a unit test for this issue, but I have not identified a deterministic way to make the deopt handler stub end at a page boundary.

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PR Comment: https://git.openjdk.org/jdk/pull/28192#issuecomment-3511994160