RFR: 8372591: assert(!current->cont_fastpath() || freeze.check_valid_fast_path()) failed

[Patricio Chilano Mateo]

On Tue, 16 Dec 2025 04:46:55 GMT, David Holmes <dholmes at openjdk.org> wrote:

> This seems to be a "day one" bug with virtual threads. Do you have an idea as to why it has not been noticed before?
>
Yes, it's a day one bug. There are a couple of conditions that need to align to trigger it, but the most likely reason it went undetected is the requirement for a big enough difference between the `unextended_sp` and `sp` of the interpreted sender.

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PR Comment: https://git.openjdk.org/jdk/pull/28830#issuecomment-3662166873