RFR: 8325467: Support methods with many arguments in C2 [v27]

[Emanuel Peter]

On Tue, 16 Sep 2025 12:54:37 GMT, Daniel Lundén <dlunden at openjdk.org> wrote:

>> `//assert(is_infinite_stack == lrg->mask().is_infinite_stack(), "nbrs must not change InfiniteStackedness");`
>
> No idea, sorry (it has been that way since initial load). I just touched it to change from all_stack to infinite_stack.

@dlunde Would you mind investigating in a follow-up RFE? I would just enable the assert and see if it triggers. If not, add the assert back in, otherwise see why the assert fails, and if that looks reasonable. If yes -> just remove it. If it is not reasonable .... we then investigate more I suppose ;)

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PR Review Comment: https://git.openjdk.org/jdk/pull/20404#discussion_r2362347841