Simplify / Optimize JSNodeOwner::isReachableFromOpaqueRoots().
Created attachment 455773 [details] Patch
Comment on attachment 455773 [details] Patch r=me
Committed r291933 (248904@main): <https://commits.webkit.org/248904@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 455773 [details].
<rdar://problem/90870104>
Confirmed 0.4% progression on Speedometer on MacBookAir10,1 (AS).