See only failure in https://wpt.fyi/results/css/css-fonts/variations/font-weight-parsing.html?label=experimental&label=master&aligned
<rdar://problem/101441591>
Pull request: https://github.com/WebKit/WebKit/pull/5653
Committed 255873@main (00db99db9acf): <https://commits.webkit.org/255873@main> Reviewed commits have been landed. Closing PR #5653 and removing active labels.