Might be the leftover of this improvement. https://github.com/WebKit/WebKit/commit/169f75d11fb127f2085d0c4c62818f569cf3aaca
Committed r294437 (250715@main): <https://commits.webkit.org/250715@main> Reviewed commits have been landed. Closing PR #747 and removing active labels.
<rdar://problem/93529073>