[runtime][ic] Constant field tracking support.

src/ic/handler-configuration.h

Index: src/ic/handler-configuration.h
diff --git a/src/ic/handler-configuration.h b/src/ic/handler-configuration.h
index a5291736dc0e7911efc19deba400f5675afa0423..539d4480087060f507158edf7e5e7570aacd49dc 100644
--- a/src/ic/handler-configuration.h
+++ b/src/ic/handler-configuration.h
@@ -121,8 +121,10 @@ class StoreHandler {
   enum Kind {
     kStoreElement,
     kStoreField,
+    kStoreConstField,
     kTransitionToField,
-    kTransitionToConstant
+    // TODO(ishell): remove once constant field tracking is done.
+    kTransitionToConstant = kStoreConstField
   };
   class KindBits : public BitField<Kind, 0, 2> {};
 
@@ -175,6 +177,7 @@ class StoreHandler {
   // Creates a Smi-handler for storing a field to fast object.
   static inline Handle<Object> StoreField(Isolate* isolate, int descriptor,
                                           FieldIndex field_index,
+                                          PropertyConstness constness,
                                           Representation representation);
 
   // Creates a Smi-handler for transitioning store to a field.