import ClassicNick's palemoon27-20190223-VC10

docshell/base/nsDocShell.cpp

@@ -352,7 +352,11 @@ IsElementAnchor(nsIContent* aContent)
 {
   // Make sure we are dealing with either an <A> or <AREA> element in the HTML
   // or XHTML namespace.
-  return aContent->IsAnyOfHTMLElements(nsGkAtoms::a, nsGkAtoms::area);
+  if (!aContent->IsHTMLElement()) {
+    return false;
+  }
+  nsIAtom* nameAtom = aContent->Tag();
+  return nameAtom == nsGkAtoms::a || nameAtom == nsGkAtoms::area;
 }
 
 static void