Calling setPseudo() from an element's constructor triggers an ASSERT if there are any DOMSubtreeModified listeners in the document because Node::refEventTarget is called when the node has not been adopted yet.
Created attachment 219487 [details] Proposed patch
Comment on attachment 219487 [details] Proposed patch Clearing flags on attachment: 219487 Committed r160748: <http://trac.webkit.org/changeset/160748>
All reviewed patches have been landed. Closing bug.