1 files changed, 18 insertions, 5 deletions
diff --git a/Source/JavaScriptCore/runtime/StructureChain.cpp b/Source/JavaScriptCore/runtime/StructureChain.cpp
index 4fa4a4b..ad6abff 100644
--- a/Source/JavaScriptCore/runtime/StructureChain.cpp
+++ b/Source/JavaScriptCore/runtime/StructureChain.cpp
@@ -31,20 +31,33 @@
 #include <wtf/RefPtr.h>
 
 namespace JSC {
+    
+ClassInfo StructureChain::s_info = { "StructureChain", 0, 0, 0 };
 
-StructureChain::StructureChain(NonNullPassRefPtr<Structure> structure, Structure* head)
-    : JSCell(structure.releaseRef())
+StructureChain::StructureChain(JSGlobalData& globalData, Structure* structure, Structure* head)
+    : JSCell(globalData, structure)
 {
     size_t size = 0;
     for (Structure* current = head; current; current = current->storedPrototype().isNull() ? 0 : asObject(current->storedPrototype())->structure())
         ++size;
     
-    m_vector = adoptArrayPtr(new RefPtr<Structure>[size + 1]);
+    m_vector = adoptArrayPtr(new WriteBarrier<Structure>[size + 1]);
 
     size_t i = 0;
     for (Structure* current = head; current; current = current->storedPrototype().isNull() ? 0 : asObject(current->storedPrototype())->structure())
-        m_vector[i++] = current;
-    m_vector[i] = 0;
+        m_vector[i++].set(globalData, this, current);
+    m_vector[i].clear();
+}
+
+StructureChain::~StructureChain()
+{
+}
+
+void StructureChain::markChildren(MarkStack& markStack)
+{
+    size_t i = 0;
+    while (m_vector[i])
+        markStack.append(&m_vector[i++]);
 }
 
 } // namespace JSC