message: VLOG shape inference and annotation return status.
diff: @@ -2076,6 +2076,7 @@ Status LayoutOptimizer::Tune(const GrapplerItem& item,
  const TuningConfig& config, GraphDef* output) {
  auto status = graph_properties.AnnotateOutputShapes(output);
  if (!status.ok()) {
  + VLOG(1) << "Annotate shape return status: " << status.ToString();
  *output = item.graph;
  return status;
  }
  @@ -2100,6 +2101,7 @@ Status LayoutOptimizer::Optimize(Cluster* cluster, const GrapplerItem& item,
  GraphProperties graph_properties(item);
  auto status = graph_properties.InferStatically(false);
  if (!status.ok()) {
  + VLOG(1) << "Infer shape return status: " << status.ToString();
  *output = item.graph;
  return status;
  }
  