Bug 465934 - ASSERTION: Trying to re-bind content from native anonymous subtree to non-native anonymous parent, r+sr=sicking

content/base/src/nsGenericDOMDataNode.cpp

@@ -612,7 +612,7 @@ nsGenericDOMDataNode::BindToTree(nsIDocument* aDocument, nsIContent* aParent,
 
     NS_ASSERTION(IsRootOfNativeAnonymousSubtree() ||
                  !HasFlag(NODE_IS_IN_ANONYMOUS_SUBTREE) ||
-                 aBindingParent->IsInNativeAnonymousSubtree(),
+                 (aParent && aParent->IsInNativeAnonymousSubtree()),
                  "Trying to re-bind content from native anonymous subtree to "
                  "non-native anonymous parent!");
     slots->mBindingParent = aBindingParent; // Weak, so no addref happens.

content/base/src/nsGenericElement.cpp

@@ -2532,7 +2532,7 @@ nsGenericElement::BindToTree(nsIDocument* aDocument, nsIContent* aParent,
   }
   NS_ASSERTION(!aBindingParent || IsRootOfNativeAnonymousSubtree() ||
                !HasFlag(NODE_IS_IN_ANONYMOUS_SUBTREE) ||
-               aBindingParent->IsInNativeAnonymousSubtree(),
+               (aParent && aParent->IsInNativeAnonymousSubtree()),
                "Trying to re-bind content from native anonymous subtree to "
                "non-native anonymous parent!");
   if (IsRootOfNativeAnonymousSubtree() ||