Include optimized code in JIT app snapshots.

runtime/vm/raw_object.h

Index: runtime/vm/raw_object.h
diff --git a/runtime/vm/raw_object.h b/runtime/vm/raw_object.h
index 984561693215044299677b81d4ae1d33908bba2f..0375ab160b67194c0bd3cbef750269e941f6aa44 100644
--- a/runtime/vm/raw_object.h
+++ b/runtime/vm/raw_object.h
@@ -941,8 +941,9 @@ class RawField : public RawObject {
     switch (kind) {
       case Snapshot::kCore:
       case Snapshot::kScript:
-      case Snapshot::kAppWithJIT:
         return reinterpret_cast<RawObject**>(&ptr()->guarded_list_length_);
+      case Snapshot::kAppWithJIT:
+        return reinterpret_cast<RawObject**>(&ptr()->dependent_code_);
       case Snapshot::kAppNoJIT:
         return reinterpret_cast<RawObject**>(&ptr()->initializer_);
       case Snapshot::kMessage: