TypeSpecificFlags has Kind which specifies what kind of bit flags are stored. Right now, this information is duplicated in TypeFlags but we don't need to. De-duplicate the bits to free up more bits in RenderObject.
Pull request: https://github.com/WebKit/WebKit/pull/22085
Committed 272363@main (8ee5c1fb2dac): <https://commits.webkit.org/272363@main> Reviewed commits have been landed. Closing PR #22085 and removing active labels.
<rdar://problem/119947002>