ASSERTION FAILED: !node || isElementOfType<const T>(*node)

Source/modules/accessibility/AXTable.cpp

Index: Source/modules/accessibility/AXTable.cpp
diff --git a/Source/modules/accessibility/AXTable.cpp b/Source/modules/accessibility/AXTable.cpp
index 1d75f2a06fc3f7e6bdeab171aac1e4cc8762f8f8..bcd0cb9a6c5fef3c7ca4d466d44cd45e09fd2ec3 100644
--- a/Source/modules/accessibility/AXTable.cpp
+++ b/Source/modules/accessibility/AXTable.cpp
@@ -373,13 +373,15 @@ void AXTable::addChildren()
     RenderTable* table = toRenderTable(m_renderer);
     AXObjectCacheImpl* axCache = axObjectCache();
 
+    Node* tableNode = table->node();
+    if (!isHTMLTableElement(tableNode))
+        return;
+
     // Add caption
-    if (HTMLTableElement* tableElement = toHTMLTableElement(table->node())) {
-        if (HTMLTableCaptionElement* caption = tableElement->caption()) {
-            AXObject* captionObject = axCache->getOrCreate(caption);
-            if (!captionObject->accessibilityIsIgnored())
-                m_children.append(captionObject);
-        }
+    if (HTMLTableCaptionElement* caption  = toHTMLTableElement(tableNode)->caption()) {
+        AXObject* captionObject = axCache->getOrCreate(caption);
+        if (!captionObject->accessibilityIsIgnored())
+            m_children.append(captionObject);
     }
 
     // Go through all the available sections to pull out the rows and add them as children.