This causes occasional null-pointer crashes when currentStyle() gets called on the CSSTransition before resolve.
Created attachment 387141 [details]
Created attachment 389404 [details]
Created attachment 389436 [details]
Comment on attachment 389436 [details]
Clearing flags on attachment: 389436
Committed r256427: <https://trac.webkit.org/changeset/256427>
All reviewed patches have been landed. Closing bug.