EventDispatcher::wheelEvent is accessing m_scrollingTrees without locking m_scrollingTreesMutex since r271235
Created attachment 421780 [details] Patch
Comment on attachment 421780 [details] Patch Clearing flags on attachment: 421780 Committed r273669 (234700@main): <https://commits.webkit.org/234700@main>
All reviewed patches have been landed. Closing bug.
<rdar://problem/74882125>