bug415.scala:10 error: method x cannot be accessed in A
 because its instance type => A#T contains a malformed type: A#T
  val y  = a.x;
            ^
bug415.scala:20 error: method x cannot be accessed in A2
 because its instance type => scala.Array[A2#T] contains a malformed type: A2#T
  val y: Array[String]  = a.x;
                           ^
two errors found