The test at imported/w3c/web-platform-tests/web-animations/timing-model/timelines/update-and-send-events-replacement.html crashes with a debug build.
Created attachment 380217 [details] Patch
Comment on attachment 380217 [details] Patch Clearing flags on attachment: 380217 Committed r250737: <https://trac.webkit.org/changeset/250737>
All reviewed patches have been landed. Closing bug.
<rdar://problem/55991440>