1 files changed, 15 insertions, 4 deletions
diff --git a/src/3rdparty/javascriptcore/JavaScriptCore/runtime/JSByteArray.cpp b/src/3rdparty/javascriptcore/JavaScriptCore/runtime/JSByteArray.cpp
index d00b69cebe..0907099d1a 100644
--- a/src/3rdparty/javascriptcore/JavaScriptCore/runtime/JSByteArray.cpp
+++ b/src/3rdparty/javascriptcore/JavaScriptCore/runtime/JSByteArray.cpp
@@ -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, HasDefaultMark));
     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, unsigned listedAttributes)
+void JSByteArray::getOwnPropertyNames(ExecState* exec, PropertyNameArray& propertyNames, bool includeNonEnumerable)
 {
     unsigned length = m_storage->length();
     for (unsigned i = 0; i < length; ++i)
         propertyNames.add(Identifier::from(exec, i));
-    JSObject::getPropertyNames(exec, propertyNames, listedAttributes);
+    JSObject::getOwnPropertyNames(exec, propertyNames, includeNonEnumerable);
 }
 
 }