One of the last changes in #93686 broke the clearing of execution lines. It added a typeof == "number" check on a handle.
Created attachment 158503 [details] Patch
Created attachment 158505 [details] Patch
Comment on attachment 158505 [details] Patch Clearing flags on attachment: 158505 Committed r125650: <http://trac.webkit.org/changeset/125650>
All reviewed patches have been landed. Closing bug.