error[E0223]: ambiguous associated type
  --> $DIR/issue-78622.rs:5:5
   |
LL |     S::A::<f> {}
   |     ^^^^
   |
help: if there were a trait named `Example` with associated type `A` implemented for `S`, you could use the fully-qualified path
   |
LL |     <S as Example>::A::<f> {}
   |     ~~~~~~~~~~~~~~~~~

error: aborting due to 1 previous error

For more information about this error, try `rustc --explain E0223`.