File: bug1042.scala

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scala 2.9.2%2Bdfsg-1
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abstract class  A {
  override def toString(): String // crucial

  def toString(sb: StringBuilder): StringBuilder // crucial
}

case class B() extends A {
  // overloaded version is implemented, causing toString not to be implemented?
  def toString(sb: StringBuilder): StringBuilder = error("")
}

object Test extends App {
  Console.println(B)
}