emit premonomorphic ics for keyed loads/stores in optimized code

src/ic/ic.h

Index: src/ic/ic.h
diff --git a/src/ic/ic.h b/src/ic/ic.h
index 773e9d029aafe568b40599b792a937d8d6d45ab6..3025f7260112b8913a32e4e213c6edf7aea3b7bd 100644
--- a/src/ic/ic.h
+++ b/src/ic/ic.h
@@ -481,7 +481,8 @@ class KeyedLoadIC : public LoadIC {
       (1 << Map::kIsAccessCheckNeeded) | (1 << Map::kHasIndexedInterceptor);
 
   static Handle<Code> initialize_stub(Isolate* isolate);
-  static Handle<Code> initialize_stub_in_optimized_code(Isolate* isolate);
+  static Handle<Code> initialize_stub_in_optimized_code(
+      Isolate* isolate, State initialization_state);
   static Handle<Code> ChooseMegamorphicStub(Isolate* isolate);
   static Handle<Code> pre_monomorphic_stub(Isolate* isolate);
 
@@ -632,6 +633,10 @@ class KeyedStoreIC : public StoreIC {
                                   LanguageMode language_mode);
   static void GenerateSloppyArguments(MacroAssembler* masm);
 
+  static Handle<Code> initialize_stub(Isolate* isolate,
+                                      LanguageMode language_mode,
+                                      State initialization_state);
+
  protected:
   virtual Handle<Code> pre_monomorphic_stub() const {
     return pre_monomorphic_stub(isolate(), language_mode());