error[E0284]: type annotations needed: cannot satisfy `the constant `use_dyn::<{_: usize}>::{constant#0}` can be evaluated`
  --> $DIR/object-safety-ok-infer-err.rs:20:5
   |
LL | fn use_dyn<const N: usize>(v: &dyn Foo<N>) where [u8; N + 1]: Sized {
   |                                                       ----- required by this bound in `use_dyn`
...
LL |     use_dyn(&());
   |     ^^^^^^^ cannot satisfy `the constant `use_dyn::<{_: usize}>::{constant#0}` can be evaluated`

error: aborting due to previous error

For more information about this error, try `rustc --explain E0284`.