1 files changed, 16 insertions, 5 deletions
diff --git a/JavaScriptCore/runtime/JSByteArray.cpp b/JavaScriptCore/runtime/JSByteArray.cpp
index 2a5e72f..5e5003b 100644
--- a/JavaScriptCore/runtime/JSByteArray.cpp
+++ b/JavaScriptCore/runtime/JSByteArray.cpp
@@ -35,7 +35,7 @@ namespace JSC {
 
 const ClassInfo JSByteArray::s_defaultInfo = { "ByteArray", 0, 0, 0 };
 
-JSByteArray::JSByteArray(ExecState* exec, PassRefPtr<Structure> structure, ByteArray* storage, const JSC::ClassInfo* classInfo)
+JSByteArray::JSByteArray(ExecState* exec, NonNullPassRefPtr<Structure> structure, ByteArray* storage, const JSC::ClassInfo* classInfo)
     : JSObject(structure)
     , m_storage(storage)
     , m_classInfo(classInfo)
@@ -45,7 +45,7 @@ JSByteArray::JSByteArray(ExecState* exec, PassRefPtr<Structure> structure, ByteA
     
 PassRefPtr<Structure> JSByteArray::createStructure(JSValue prototype)
 {
-    PassRefPtr<Structure> result = Structure::create(prototype, TypeInfo(ObjectType));
+    PassRefPtr<Structure> result = Structure::create(prototype, TypeInfo(ObjectType, StructureFlags));
     return result;
 }
 
@@ -59,7 +59,18 @@ bool JSByteArray::getOwnPropertySlot(ExecState* exec, const Identifier& property
     }
     return JSObject::getOwnPropertySlot(exec, propertyName, slot);
 }
-    
+
+bool JSByteArray::getOwnPropertyDescriptor(ExecState* exec, const Identifier& propertyName, PropertyDescriptor& descriptor)
+{
+    bool ok;
+    unsigned index = propertyName.toUInt32(&ok, false);
+    if (ok && canAccessIndex(index)) {
+        descriptor.setDescriptor(getIndex(exec, index), DontDelete);
+        return true;
+    }
+    return JSObject::getOwnPropertyDescriptor(exec, propertyName, descriptor);
+}
+
 bool JSByteArray::getOwnPropertySlot(ExecState* exec, unsigned propertyName, PropertySlot& slot)
 {
     if (canAccessIndex(propertyName)) {
@@ -85,12 +96,12 @@ void JSByteArray::put(ExecState* exec, unsigned propertyName, JSValue value)
     setIndex(exec, propertyName, value);
 }
 
-void JSByteArray::getPropertyNames(ExecState* exec, PropertyNameArray& propertyNames)
+void JSByteArray::getOwnPropertyNames(ExecState* exec, PropertyNameArray& propertyNames)
 {
     unsigned length = m_storage->length();
     for (unsigned i = 0; i < length; ++i)
         propertyNames.add(Identifier::from(exec, i));
-    JSObject::getPropertyNames(exec, propertyNames);
+    JSObject::getOwnPropertyNames(exec, propertyNames);
 }
 
 }