Tag handlers as HANDLER rather than STUB.

src/log.cc

Index: src/log.cc
diff --git a/src/log.cc b/src/log.cc
index 5c404bb9523036b5060bcd29df9ec5ef04a47b86..92555b913688fe00cc61f1e4eae3d2fd7ac84307 100644
--- a/src/log.cc
+++ b/src/log.cc
@@ -1629,6 +1629,10 @@ void Logger::LogCodeObject(Object* object) {
       description = "A builtin from the snapshot";
       tag = Logger::BUILTIN_TAG;
       break;
+    case Code::HANDLER:
+      description = "An IC handler from the snapshot";
+      tag = Logger::HANDLER_TAG;
+      break;
     case Code::KEYED_LOAD_IC:
       description = "A keyed load IC from the snapshot";
       tag = Logger::KEYED_LOAD_IC_TAG;