Add a releaser assert in ~Timer to make sure a timer gets constructed & destructed in the same thread.
Created attachment 332801 [details] Adds a release assertion
<rdar://problem/37086376>
Comment on attachment 332801 [details] Adds a release assertion r=me if EWS is happy
Comment on attachment 332801 [details] Adds a release assertion Clearing flags on attachment: 332801 Committed r227934: <https://trac.webkit.org/changeset/227934>
All reviewed patches have been landed. Closing bug.
Good change, I wasted time earlier this week trying to guess whether this might be occurring in another bug. (It wasn't, but I didn't have an easy way to know that.)