[Webkit-unassigned] [Bug 166962] animation-delay has limit in proceeded amount of seconds

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=166962

--- Comment #7 from Simon Fraser (smfr) <simon.fraser at apple.com> ---
The actual bug happens when animation-delay is a large enough negative number that monotonicallyIncreasingTime() + delay becomes negative. So the longer your machine has been running, the greater the negative values that work. This isn't about clamping, it's about WebKit assuming that m_startTime += m_animation->delay() is always positive (where m_startTime is set from monotonicallyIncreasingTime()).

Simpler reduction attached.

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