WebCore::XPath::Value has uninitialized fields after construction. Regressed in: Support Mozilla's XPathEvaluator object. http://bugzilla.opendarwin.org/show_bug.cgi?id=6638 <https://commits.webkit.org/12012@main>
<rdar://problem/128966823>
Pull request: https://github.com/WebKit/WebKit/pull/29260