message: [Grappler] Add TF_RETURN_IF_ERROR in HoistCWiseUnaryChainsStage of arithmetic optimizer
diff: @@ -1918,7 +1918,7 @@ class HoistCWiseUnaryChainsStage : public ArithmeticOptimizerStage {
  Status AddReshapes(const PortNodeMap& reshapes, NodeDef* root_node) {
  for (auto link : reshapes) {
  - AddReshape(link.second, root_node, link.first);
  + TF_RETURN_IF_ERROR(AddReshape(link.second, root_node, link.first));
  }
  return Status::OK();
  }
  