message: Increase VLOG level for inter-cluster edges
diff: @@ -1447,9 +1447,9 @@ void MarkForCompilationPassImpl::VLogClusteringSummary() {
  }
  }
  - VLOG(2) << "*** Inter-Cluster edges:";
  + VLOG(4) << "*** Inter-Cluster edges:";
  if (cluster_names_to_print.empty()) {
  - VLOG(2) << " [none]";
  + VLOG(4) << " [none]";
  }
  auto print_edge_info_set_for_cluster = [&](absl::string_view cluster_name,
  @@ -1457,19 +1457,19 @@ void MarkForCompilationPassImpl::VLogClusteringSummary() {
  absl::string_view desc) {
  auto it = edge_info_map.find(cluster_name);
  if (it != edge_info_map.end()) {
  - VLOG(2) << " " << it->second.size() << " " << desc << " edges";
  + VLOG(4) << " " << it->second.size() << " " << desc << " edges";
  for (const auto& edge_info_count_pair : it->second) {
  - VLOG(2) << " " << edge_info_count_pair.first.GetClusterName() << " "
  + VLOG(4) << " " << edge_info_count_pair.first.GetClusterName() << " "
  << edge_info_count_pair.first.node_name << " # "
  << edge_info_count_pair.second;
  }
  } else {
  - VLOG(2) << " No " << desc << " edges.";
  + VLOG(4) << " No " << desc << " edges.";
  }
  };
  for (absl::string_view cluster_name : cluster_names_to_print) {
  - VLOG(2) << " ** Cluster " << cluster_name;
  + VLOG(4) << " ** Cluster " << cluster_name;
  print_edge_info_set_for_cluster(cluster_name, incoming_edge_infos,
  "incoming");
  print_edge_info_set_for_cluster(cluster_name, outgoing_edge_infos,
  