message: Don't skip printing type parameters for anonymous classes.
diff: @@ -1305,11 +1305,14 @@ function genericPrintNoParens(path, options, print) {
  if (n.id) {
  parts.push(
  " ",
  - path.call(print, "id"),
  - path.call(print, "typeParameters")
  + path.call(print, "id")
  );
  }
  + if (n.typeParameters) {
  + parts.push(path.call(print, "typeParameters"));
  + }
  +
  if (n.superClass) {
  parts.push(
  " extends ",
  