t2641.scala:19: error: illegal cyclic reference involving trait ManagedSeq
        with TraversableViewLike[A, ManagedSeqStrict[A], ManagedSeq[A]]
                                                         ^
t2641.scala:17: error: illegal inheritance;
 self-type ManagedSeq does not conform to ManagedSeqStrict[A]'s selftype ManagedSeqStrict[A]
        extends ManagedSeqStrict[A]
                ^
t2641.scala:18: error: illegal inheritance;
 self-type ManagedSeq does not conform to scala.collection.TraversableView[A,ManagedSeqStrict[A]]'s selftype scala.collection.TraversableView[A,ManagedSeqStrict[A]]
        with TraversableView[A, ManagedSeqStrict[A]]
             ^
t2641.scala:17: error: illegal inheritance;
 self-type ManagedSeq does not conform to ScalaObject's selftype ScalaObject
        extends ManagedSeqStrict[A]
        ^
t2641.scala:25: error: something is wrong (wrong class file?): trait ManagedSeq with type parameters [A,Coll] gets applied to arguments [], phase = typer
  trait Transformed[+B] extends ManagedSeq[B, Coll] with super.Transformed[B]
        ^
t2641.scala:27: error: something is wrong (wrong class file?): trait ManagedSeq with type parameters [A,Coll] gets applied to arguments [], phase = namer
  trait Sliced extends Transformed[A] with super.Sliced {
               ^
t2641.scala:27: error: illegal inheritance; superclass Any
 is not a subclass of the superclass ManagedSeqStrict
 of the mixin trait Transformed
  trait Sliced extends Transformed[A] with super.Sliced {
                       ^
t2641.scala:27: error: illegal inheritance; superclass Any
 is not a subclass of the superclass Object
 of the mixin trait Sliced
  trait Sliced extends Transformed[A] with super.Sliced {
                                                 ^
t2641.scala:28: error: value managedIterator is not a member of ManagedSeq
    override def managedIterator = self.managedIterator slice (from, until)
                                        ^
9 errors found
