Fix quirky memory management
Created attachment 322315 [details] patch
Created attachment 322316 [details] patch
Comment on attachment 322316 [details] patch Clearing flags on attachment: 322316 Committed r222691: <http://trac.webkit.org/changeset/222691>
All reviewed patches have been landed. Closing bug.
<rdar://problem/34761348>
Looks like this was 1% regression on Speedometer 2's react test case: https://perf.webkit.org/v3/#/charts?since=1505283360823&zoom=(1506767770443.9912-1507709310260.7344)&paneList=((18-966-28983529-null-(5-2.5-500)))&repository=1