Partial revert of 269630@main as a speculative fix for a Speedometer regression in that range.
<rdar://problem/117539820>
Pull request: https://github.com/WebKit/WebKit/pull/19596
Committed 269819@main (9738fda14348): <https://commits.webkit.org/269819@main> Reviewed commits have been landed. Closing PR #19596 and removing active labels.
Re-opened since this is blocked by bug 263781