diff -up webkitgtk-2.4.10/Source/WebCore/dom/Element.cpp.qualified-name webkitgtk-2.4.10/Source/WebCore/dom/Element.cpp
--- webkitgtk-2.4.10/Source/WebCore/dom/Element.cpp.qualified-name	2016-04-05 09:58:17.928258276 +0200
+++ webkitgtk-2.4.10/Source/WebCore/dom/Element.cpp	2016-04-05 09:58:23.240229758 +0200
@@ -1056,7 +1056,7 @@ inline void Element::setAttributeInterna
     const Attribute& attribute = attributeAt(index);
     AtomicString oldValue = attribute.value();
     bool valueChanged = newValue != oldValue;
-    const QualifiedName& attributeName = (!inSynchronizationOfLazyAttribute || valueChanged) ? attribute.name() : name;
+    QualifiedName attributeName = (!inSynchronizationOfLazyAttribute || valueChanged) ? attribute.name() : name;
 
     if (!inSynchronizationOfLazyAttribute)
         willModifyAttribute(attributeName, oldValue, newValue);