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Apparently SIGVTALRM does not happen soon enough if we are producing
%jinxhints in a hot loop, like:With "strange timer" printouts the runtime would stall, trying to print a ton of stale timers. Even without the printouts stale deadlines would get ignored, causing the virtual timer to be set with a new timeout, so the signal would never come.
Now we noop if we encounter at least one stale timer, unlike previously, when we would noop if all timers were stale.