message: [TF:XLA] Fix off-by-one error in Cluster::DebugString.
diff: @@ -208,8 +208,13 @@ class MarkForCompilationPassImpl {
  return absl::StrCat("NULL NODE IN #", cycles_graph_node_id());
  }
  - return absl::StrCat("<", node->name(), " + ", cluster_size(), " others #",
  - cycles_graph_node_id(), ">");
  + if (cluster_size() == 1) {
  + return absl::StrCat("<", node->name(), " #", cycles_graph_node_id(),
  + ">");
  + }
  +
  + return absl::StrCat("<", node->name(), " + ", cluster_size() - 1,
  + " others #", cycles_graph_node_id(), ">");
  }
  private:
  