warn-unused-privates.scala:2: warning: private constructor in class Bippy is never used
  private def this(c: Int) = this(c, c)           // warn
              ^
warn-unused-privates.scala:4: warning: private method in class Bippy is never used
  private def boop(x: Int)            = x+a+b     // warn
              ^
warn-unused-privates.scala:6: warning: private getter in class Bippy is never used
  final private val MILLIS2: Int      = 1000      // warn
                    ^
warn-unused-privates.scala:13: warning: private getter in object Bippy is never used
  private val HEY_INSTANCE: Int = 1000    // warn
              ^
warn-unused-privates.scala:41: warning: private getter in trait Accessors is never used
  private var v1: Int = 0 // warn
              ^
warn-unused-privates.scala:42: warning: private setter in trait Accessors is never used
  private var v2: Int = 0 // warn, never set
              ^
warn-unused-privates.scala:43: warning: private getter in trait Accessors is never used
  private var v3: Int = 0 // warn, never got
              ^
warn-unused-privates.scala:55: warning: private default argument in trait DefaultArgs is never used
  private def bippy(x1: Int, x2: Int = 10, x3: Int = 15): Int = x1 + x2 + x3
                             ^
warn-unused-privates.scala:55: warning: private default argument in trait DefaultArgs is never used
  private def bippy(x1: Int, x2: Int = 10, x3: Int = 15): Int = x1 + x2 + x3
                                           ^
error: No warnings can be incurred under -Xfatal-warnings.
9 warnings found
one error found