Handle changes to the Object prototype in fast handling of arrays

src/builtins.cc

Index: src/builtins.cc
diff --git a/src/builtins.cc b/src/builtins.cc
index c398aa30fbbd4142324453e5ee56b1dd2da37aa5..3f78283388c8671048b1e1c60f3ddb7ff007a1e4 100644
--- a/src/builtins.cc
+++ b/src/builtins.cc
@@ -378,8 +378,7 @@ static bool ArrayPrototypeHasNoElements(Heap* heap,
   array_proto = JSObject::cast(proto);
   if (array_proto != global_context->initial_object_prototype()) return false;
   if (array_proto->elements() != heap->empty_fixed_array()) return false;
-  ASSERT(array_proto->GetPrototype()->IsNull());
-  return true;
+  return array_proto->GetPrototype()->IsNull();
 }