[interpreter] do not serialize bytecode for snapshot.

src/snapshot/serialize.cc

Index: src/snapshot/serialize.cc
diff --git a/src/snapshot/serialize.cc b/src/snapshot/serialize.cc
index ffc8b7880922d3391bf871ad780b465cfcb0aab8..8cb4b73150a8fea7e9fc0aada707c5146d3c233e 100644
--- a/src/snapshot/serialize.cc
+++ b/src/snapshot/serialize.cc
@@ -1701,8 +1701,14 @@ void StartupSerializer::SerializeObject(HeapObject* obj, HowToCode how_to_code,
     return;
   }
 
-  if (obj->IsCode() && Code::cast(obj)->kind() == Code::FUNCTION) {
-    obj = isolate()->builtins()->builtin(Builtins::kCompileLazy);
+  if (obj->IsCode()) {
+    Builtins* builtins = isolate()->builtins();
+    if (Code::cast(obj)->kind() == Code::FUNCTION ||
+        obj == builtins->builtin(Builtins::kInterpreterEntryTrampoline)) {

[Michael Starzinger, 2016/02/03 12:39:26]

nit: Can we use the Code::is_interpreter_entry_trampoline predicate here?

+      obj = builtins->builtin(Builtins::kCompileLazy);
+    }
+  } else if (obj->IsBytecodeArray()) {
+    obj = isolate()->heap()->undefined_value();
   }
 
   if (SerializeKnownObject(obj, how_to_code, where_to_point, skip)) return;