I was not expecting `tailrec suspend` to work, but...

# announcements

[CLOVIS]

I was not expecting tailrec suspend to work, but it does! Thanks to the team, that must have been a weird edge case to handle.

[ephemient]

I think Kotlin implements tailrec as "mutate and jump to start of function", which works with suspend just fine - don't need to touch the continuation parameter at all