Created attachment 577761 [details] testcase (crashes Firefox when loaded) Regression from bug 704171?
I think I hit this while zooming in on Google Maps (WebGL) bp-329ef1ab-2dd0-4456-811e-859ae2111130.
Yeah, sure looks like it. Good thing I was in the middle of testing the patch. ;)
Created attachment 578083 [details] [diff] [review] Handle null passed to requestAnimationFrame gracefully.