LayerTreeRenderer::removeTile() must add a backing store into m_backingStoresWithPendingBuffers. Otherwise, tiles are not removed.
Created attachment 175604 [details] Patch
Comment on attachment 175604 [details] Patch As always, good catch!
Comment on attachment 175604 [details] Patch Clearing flags on attachment: 175604 Committed r135622: <http://trac.webkit.org/changeset/135622>
All reviewed patches have been landed. Closing bug.