Implement Polymorphic Store ICs

src/type-info.h

Index: src/type-info.h
diff --git a/src/type-info.h b/src/type-info.h
index aa1f509e2d54053c9cd12d6831f4aaa2ddc996f5..1a7c67dfb88ffc399843d53843e3e658e767fe67 100644
--- a/src/type-info.h
+++ b/src/type-info.h
@@ -246,7 +246,7 @@ class TypeFeedbackOracle: public ZoneObject {
   bool LoadIsPolymorphic(Property* expr);
   bool StoreIsUninitialized(TypeFeedbackId ast_id);
   bool StoreIsMonomorphicNormal(TypeFeedbackId ast_id);
-  bool StoreIsPolymorphic(TypeFeedbackId ast_id);
+  bool StoreIsKeyedPolymorphic(TypeFeedbackId ast_id);
   bool CallIsMonomorphic(Call* expr);
   bool CallNewIsMonomorphic(CallNew* expr);
   bool ObjectLiteralStoreIsMonomorphic(ObjectLiteralProperty* prop);
@@ -272,6 +272,8 @@ class TypeFeedbackOracle: public ZoneObject {
                          SmallMapList* types);
   void CollectKeyedReceiverTypes(TypeFeedbackId ast_id,
                                  SmallMapList* types);
+  void CollectPolymorphicStoreReceiverTypes(TypeFeedbackId ast_id,
+                                            SmallMapList* types);
 
   static bool CanRetainOtherContext(Map* map, Context* native_context);
   static bool CanRetainOtherContext(JSFunction* function,