I am experimenting with disabling property abbreviation. It can result in more time spent while expanding dom node properties and such, but the upside is that debugging becomes much more pleasant.
Created attachment 87670 [details] Patch
Comment on attachment 87670 [details] Patch Clearing flags on attachment: 87670 Committed r82609: <http://trac.webkit.org/changeset/82609>
All reviewed patches have been landed. Closing bug.