[turbofan] Improve deferred code handling for polymorphic property access.

src/compiler/js-native-context-specialization.h

Index: src/compiler/js-native-context-specialization.h
diff --git a/src/compiler/js-native-context-specialization.h b/src/compiler/js-native-context-specialization.h
index 4be72fc3eb87082b0caf435b075d6c53fdae0ac8..91192d9a40467e9d353f319172babc96952243d1 100644
--- a/src/compiler/js-native-context-specialization.h
+++ b/src/compiler/js-native-context-specialization.h
@@ -68,6 +68,11 @@ class JSNativeContextSpecialization final : public AdvancedReducer {
                                   PropertyAccessMode access_mode,
                                   ZoneVector<PropertyAccessInfo>* access_infos);
 
+  Reduction ReduceNamedAccess(Node* node, Node* value,
+                              MapHandleList const& receiver_maps,
+                              Handle<Name> name,
+                              PropertyAccessMode access_mode);
+
   struct ScriptContextTableLookupResult;
   bool LookupInScriptContextTable(Handle<Name> name,
                                   ScriptContextTableLookupResult* result);