1 files changed, 3 insertions, 1 deletions
diff --git a/WebCore/svg/properties/SVGPropertyTearOff.h b/WebCore/svg/properties/SVGPropertyTearOff.h
index 2ffaede..219a4a6 100644
--- a/WebCore/svg/properties/SVGPropertyTearOff.h
+++ b/WebCore/svg/properties/SVGPropertyTearOff.h
@@ -69,6 +69,9 @@ public:
 
     void detachWrapper()
     {
+        if (m_valueIsCopy)
+            return;
+
         // Switch from a live value, to a non-live value.
         // For example: <text x="50"/>
         // var item = text.x.baseVal.getItem(0);
@@ -76,7 +79,6 @@ public:
         // item.value still has to report '50' and it has to be possible to modify 'item'
         // w/o changing the "new item" (with x=100) in the text element.
         // Whenever the XML DOM modifies the "x" attribute, all existing wrappers are detached, using this function.
-        ASSERT(!m_valueIsCopy);
         m_value = new PropertyType(*m_value);
         m_valueIsCopy = true;
         m_animatedProperty = 0;