t1672b.scala:3: error: could not optimize @tailrec annotated method bar: it contains a recursive call not in tail position
  def bar : Nothing = {
      ^
t1672b.scala:14: error: could not optimize @tailrec annotated method baz: it contains a recursive call not in tail position
  def baz : Nothing = {
      ^
t1672b.scala:29: error: could not optimize @tailrec annotated method boz: it contains a recursive call not in tail position
      case _: Throwable => boz; ???
                                ^
t1672b.scala:34: error: could not optimize @tailrec annotated method bez: it contains a recursive call not in tail position
  def bez : Nothing = {
      ^
t1672b.scala:46: error: could not optimize @tailrec annotated method bar: it contains a recursive call not in tail position
    else 1 + (try {
           ^
5 errors found