message: rename variable to not hide a variable with the same name.
diff: @@ -190,9 +190,9 @@ std::vector<RecomputedSubGraph> GetOpGroupsToRecompute(
  should_recompute, &unpruned_recompute_nodes);
  visited_nodes.insert(unpruned_recompute_nodes.begin(),
  unpruned_recompute_nodes.end());
  - for (const NodeDef* recompute_node : unpruned_recompute_nodes) {
  + for (const NodeDef* unpruned_recompute_node : unpruned_recompute_nodes) {
  bool inserted_feed = false;
  - for (NodeDef* output : node_map.GetOutputs(recompute_node->name())) {
  + for (NodeDef* output : node_map.GetOutputs(unpruned_recompute_node->name())) {
  if (is_target(*output)) {
  current_recomputation.target_nodes.insert(output);
  if (!inserted_feed) {
  @@ -200,7 +200,7 @@ std::vector<RecomputedSubGraph> GetOpGroupsToRecompute(
  // and nodes which feed into them will define the recomputed
  // subgraph.
  current_recomputation.recomputed_source_nodes.insert(
  - recompute_node);
  + unpruned_recompute_node);
  inserted_feed = true;
  }
  }
  