Clean up IC tracing for CallICs.

src/globals.h

Index: src/globals.h
diff --git a/src/globals.h b/src/globals.h
index 000fa47bd8e9843e9440ed0fa9b5c69cff467d5e..889822f918129b5cd4c67df4bb278417196d2927 100644
--- a/src/globals.h
+++ b/src/globals.h
@@ -446,7 +446,11 @@ enum InlineCacheState {
   // A generic handler is installed and no extra typefeedback is recorded.
   GENERIC,
   // Special state for debug break or step in prepare stubs.
-  DEBUG_STUB
+  DEBUG_STUB,
+  // Type-vector-based ICs have a default state, with the full calculation
+  // of IC state only determined by a look at the IC and the typevector
+  // together.
+  DEFAULT
 };