Revert of Turn StoreIC::Megamorphic into a builtin, get rid of the non-monomorphic-cache

src/ic/ic.h

Index: src/ic/ic.h
diff --git a/src/ic/ic.h b/src/ic/ic.h
index b77ceb6a5821bc7564d3aa45c412e8578278b367..99695b5b347cb62cefbe17f73e440c1ff63d6483 100644
--- a/src/ic/ic.h
+++ b/src/ic/ic.h
@@ -353,6 +353,13 @@
   static void GenerateRuntimeGetProperty(MacroAssembler* masm);
   static void GenerateMegamorphic(MacroAssembler* masm);
 
+  // Bit mask to be tested against bit field for the cases when
+  // generic stub should go into slow case.
+  // Access check is necessary explicitly since generic stub does not perform
+  // map checks.
+  static const int kSlowCaseBitFieldMask =
+      (1 << Map::kIsAccessCheckNeeded) | (1 << Map::kHasIndexedInterceptor);
+
   static Handle<Code> initialize_stub_in_optimized_code(
       Isolate* isolate, State initialization_state, ExtraICState extra_state);
   static Handle<Code> ChooseMegamorphicStub(Isolate* isolate,