HashTraits<RefPtr<P> >::peek should consider empty value which is raw pointer equal to 0, and return it right away instead of converting it to RefPtr and invoking get().
Created attachment 201070 [details]
Comment on attachment 201070 [details]
Clearing flags on attachment: 201070
Committed r149739: <http://trac.webkit.org/changeset/149739>
All reviewed patches have been landed. Closing bug.