error[E0038]: the trait `Bar` cannot be made into an object
  --> $DIR/object-safety-associated-consts.rs:19:1
   |
19 | fn make_bar<T:Bar>(t: &T) -> &Bar {
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Bar` cannot be made into an object
   |
   = note: the trait cannot contain associated consts like `X`

error: aborting due to previous error