[Interpreter] Log code-creation events for bytecode handlers.

src/snapshot/code-serializer.cc

Index: src/snapshot/code-serializer.cc
diff --git a/src/snapshot/code-serializer.cc b/src/snapshot/code-serializer.cc
index 32ebdc00e9159a256d10fa1d1456758734cc6b9d..84a08c103de33a532cf3fdbcbfb512f5627633d7 100644
--- a/src/snapshot/code-serializer.cc
+++ b/src/snapshot/code-serializer.cc
@@ -66,6 +66,7 @@ void CodeSerializer::SerializeObject(HeapObject* obj, HowToCode how_to_code,
       case Code::HANDLER:             // No handlers patched in yet.
       case Code::REGEXP:              // No regexp literals initialized yet.
       case Code::NUMBER_OF_KINDS:     // Pseudo enum value.
+      case Code::BYTECODE_HANDLER:    // No direct references to handlers.
         CHECK(false);
       case Code::BUILTIN:
         SerializeBuiltin(code_object->builtin_index(), how_to_code,