valueclasses.scala:3: error: only classes (not traits) are allowed to extend AnyVal
trait T extends AnyVal // fail
      ^
valueclasses.scala:6: error: value class may not be a member of another class
  class Bar(x: Int) extends AnyVal // fail
        ^
valueclasses.scala:8: error: value class may not be a local class
    class Baz(x: Int) extends AnyVal // fail
          ^
valueclasses.scala:12: error: value class needs to have exactly one public val parameter
class V1 extends AnyVal // fail
      ^
valueclasses.scala:14: error: value class needs to have a publicly accessible val parameter
class V2(private[test] val x: Int) extends AnyVal // fail
                           ^
valueclasses.scala:15: error: value class needs to have a publicly accessible val parameter
class V3(protected[test] val x: Int) extends AnyVal // fail
                             ^
valueclasses.scala:16: error: value class needs to have a publicly accessible val parameter
class V4(protected val x: Int) extends AnyVal // fail
                       ^
valueclasses.scala:17: error: value class needs to have a publicly accessible val parameter
class V5(private val x: Int) extends AnyVal // fail
                     ^
valueclasses.scala:19: error: value class needs to have exactly one public val parameter
class V6(val x: Int, val y: String) extends AnyVal // fail
      ^
valueclasses.scala:20: error: field definition is not allowed in value class
class V7(val x: Int, private[this] val y: String) extends AnyVal // fail
                                       ^
valueclasses.scala:21: error: value class needs to have exactly one public val parameter
class V8(var x: Int) extends AnyVal // fail
      ^
valueclasses.scala:24: error: field definition is not allowed in value class
  val y = x    // fail
      ^
valueclasses.scala:29: error: type parameter of value class may not be specialized
class V12[@specialized T, U](val x: (T, U)) extends AnyVal // fail
                       ^
valueclasses.scala:31: error: value class needs to have exactly one public val parameter
class V13(x: Int) extends AnyVal // fail
      ^
14 errors found