message: Ensure that the flatbuffer has a name field before checking if it is named metadata.
diff: @@ -149,6 +149,9 @@ absl::Status ModelMetadataExtractor::InitFromModelBuffer(
  // Look for the "TFLITE_METADATA" field, if any.
  for (int i = 0; i < model_->metadata()->size(); ++i) {
  const auto metadata = model_->metadata()->Get(i);
  + if (!metadata->name()) {
  + continue;
  + }
  if (metadata->name()->str() != kMetadataBufferName) {
  continue;
  }
  