message: Check for division by zero
diff: @@ -215,9 +215,14 @@ static void ColumnsTreeFormatter(
  [](std::size_t width, const VectorTree<Cell>& child) {
  return width + child.Value().width;
  });
  + // There is at least one child; each cell minimum width is equal to:
  + // CreateTextNodes::kMinCellWidth + kCellSeparator.size()
  + CHECK_GT(children_width, 0);
  if (node.Value().width > children_width) {
  auto extra_width = node.Value().width - children_width;
  for (auto& child : node.Children()) {
  + CHECK_GT(children_width, 0);
  + assert(children_width > 0);
  const auto added_child_width =
  extra_width * child.Value().width / children_width;
  extra_width -= added_child_width;
  