src/test/ui/traits/issue-20692.rs

   1 trait Array: Sized + Copy {}
   2
   3 fn f<T: Array>(x: &T) {
   4     let _ = x
   5     //~^ ERROR `Array` cannot be made into an object
   6     as
   7     &dyn Array;
   8     //~^ ERROR `Array` cannot be made into an object
   9 }
  10
  11 fn main() {}