message: Less obvious trivial condition
diff: @@ -3221,7 +3221,7 @@ bool ConstantFolding::PartialConcatConstFolding(GraphDef* optimized_graph,
  // child node.
  node->set_input(interval.first, added_node->name());
  }
  - if (!constant_input_runs.empty() && !inputs_to_delete.empty()) {
  + if (!inputs_to_delete.empty()) {
  // Fix up the inputs to the original node.
  protobuf::RepeatedPtrField<string> tmp;
  tmp.Swap(node->mutable_input());
  