RFR: 8376264: Mixed jstack could not unwind optimized frame [v2]

[Yasumasa Suenaga]

On Wed, 28 Jan 2026 18:02:19 GMT, Chris Plummer <cjplummer at openjdk.org> wrote:

> Remember states can be stacked, but your implementation only supports one push onto the state stack. I suppose you did this because you never saw a case where the stack was more than one deep.

Yes.
Remember states should be stacked, but I haven't seen that case. So I implemented to save (push) once so far.
I can fix it, but I want to do it in subsequent PR (for AArch64) because I will update register offset handling for generalization.

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PR Review Comment: https://git.openjdk.org/jdk/pull/29398#discussion_r2739142879