error[E0493]: destructor of `T` cannot be evaluated at compile-time
  --> $DIR/const-block-const-bound.rs:8:32
   |
LL | const fn f<T: ~const Destruct>(x: T) {}
   |                                ^      - value is dropped here
   |                                |
   |                                the destructor for this type cannot be evaluated in constant functions

error: aborting due to 1 previous error

For more information about this error, try `rustc --explain E0493`.