Bubble up the transitions associated with PreventExtensionsWithTransition

src/objects.h

Index: src/objects.h
diff --git a/src/objects.h b/src/objects.h
index 0af8de1d35daf40d12e26ff69f7d15f267426cb3..a14f1cd52508b454f692d253dedc101f60c07cac 100644
--- a/src/objects.h
+++ b/src/objects.h
@@ -5932,6 +5932,13 @@ class Map: public HeapObject {
                                               Handle<Symbol> transition_marker,
                                               const char* reason);
 
+  static MaybeHandle<Map> TransitionForPreventExtensions(
+      Handle<Map> old_map, PropertyAttributes attrs,
+      Handle<Symbol> transition_marker);
+
+  static Handle<Symbol> AsTransitionMarker(Isolate* isolate,
+                                           PropertyAttributes attrs);
+
   static Handle<Map> FixProxy(Handle<Map> map, InstanceType type, int size);