This is because LegacyRenderSVGPath::isRenderingDisabled() is calling Path::isEmpty when it doesn't have a path. I'm not sure it's expected or not, but just checking it first fixes the issue.
Pull request: https://github.com/WebKit/WebKit/pull/18490
<rdar://problem/116668965>
Committed 269223@main (5ce1ab0db72b): <https://commits.webkit.org/269223@main> Reviewed commits have been landed. Closing PR #18490 and removing active labels.
This crash was also seen on bing.com after 268313@main.