Following bug 85229, we could reap one more bit from RenderTableCell's column index to pack the bits into 32 bits, thus saving one word on 32 bit architectures.
Created attachment 139679 [details] Proposed memory change 1.
Comment on attachment 139679 [details] Proposed memory change 1. Clearing flags on attachment: 139679 Committed r115755: <http://trac.webkit.org/changeset/115755>
All reviewed patches have been landed. Closing bug.