dom-query.html spends ~10% of total time in OSAtomicAdd32Barrier on my Mac

src/objects.h

Index: src/objects.h
diff --git a/src/objects.h b/src/objects.h
index 56b54323f0cf59711e6ee9047eb5524b29ca0020..fbb25e001f2cfce862a86f6e3ea777517dbb136e 100644
--- a/src/objects.h
+++ b/src/objects.h
@@ -1873,7 +1873,8 @@ class JSObject: public JSReceiver {
   // Returns the index'th element.
   // The undefined object if index is out of bounds.
   MUST_USE_RESULT MaybeObject* GetElementWithInterceptor(Object* receiver,
-                                                         uint32_t index);
+                                                         uint32_t index,
+                                                         Isolate* isolate);
 
   enum SetFastElementsCapacitySmiMode {
     kAllowSmiElements,