error[E0568]: auto traits cannot have super traits
  --> $DIR/typeck-auto-trait-no-supertraits-2.rs:13:1
   |
LL | auto trait Magic : Sized where Option<Self> : Magic {} //~ ERROR E0568
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: aborting due to previous error

For more information about this error, try `rustc --explain E0568`.