RFR: 8365047: Remove exception handler stub code in C2 [v2]

[Dean Long]

On Mon, 1 Sep 2025 09:51:38 GMT, Andrew Dinn <adinn at openjdk.org> wrote:

> I don't believe we will ever traverse the stack while it is in that state because it only happens transiently when we are returning into the deopt handler.

Actually, I think that is actually the more common case, with the return PC being patched but the callee hasn't returned to it yet.  However, we could probably make the "entry point" be at the end of stub, and emit a `goto` to the beginning.

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PR Comment: https://git.openjdk.org/jdk/pull/26678#issuecomment-3251419068