error: `~const` is not allowed here
  --> $DIR/super-traits-fail-2.rs:11:12
   |
LL | trait Bar: ~const Foo {}
   |            ^^^^^^
   |
note: this trait is not a `#[const_trait]`, so it cannot have `~const` trait bounds
  --> $DIR/super-traits-fail-2.rs:11:1
   |
LL | trait Bar: ~const Foo {}
   | ^^^^^^^^^^^^^^^^^^^^^^^^

error: aborting due to 1 previous error