When adding an event listener to a Node, we instantiate EventTargetData for that node. EventTargetData currently sits on NodeRareData, which we're then forced to instantiate as well. We can save ~1.1MB on the Membuster3 benchmark by splitting these apart.
<rdar://problem/12403258>
Created attachment 166393 [details] Proposed patch
Comment on attachment 166393 [details] Proposed patch Clearing flags on attachment: 166393 Committed r130000: <http://trac.webkit.org/changeset/130000>
All reviewed patches have been landed. Closing bug.