1 files changed, 5 insertions, 1 deletions
diff --git a/deps/v8/src/mksnapshot.cc b/deps/v8/src/mksnapshot.cc
index b889e2e20..6457ae742 100644
--- a/deps/v8/src/mksnapshot.cc
+++ b/deps/v8/src/mksnapshot.cc
@@ -130,6 +130,10 @@ class CppByteSink : public i::SnapshotByteSink {
     }
   }
 
+  virtual int Position() {
+    return bytes_written_;
+  }
+
  private:
   FILE* fp_;
   int bytes_written_;
@@ -160,10 +164,10 @@ int main(int argc, char** argv) {
   }
   context.Dispose();
   CppByteSink sink(argv[1]);
-  i::Serializer ser(&sink);
   // This results in a somewhat smaller snapshot, probably because it gets rid
   // of some things that are cached between garbage collections.
   i::Heap::CollectAllGarbage(true);
+  i::StartupSerializer ser(&sink);
   ser.Serialize();
   return 0;
 }