tests/ui/wf/wf-trait-fn-arg.stderr

   1 error[E0277]: the trait bound `Self: Eq` is not satisfied
   2   --> $DIR/wf-trait-fn-arg.rs:10:23
   3    |
   4 LL |     fn bar(&self, x: &Bar<Self>);
   5    |                       ^^^^^^^^^ the trait `Eq` is not implemented for `Self`
   6    |
   7 note: required by a bound in `Bar`
   8   --> $DIR/wf-trait-fn-arg.rs:7:14
   9    |
  10 LL | struct Bar<T:Eq+?Sized> { value: Box<T> }
  11    |              ^^ required by this bound in `Bar`
  12 help: consider further restricting `Self`
  13    |
  14 LL |     fn bar(&self, x: &Bar<Self>) where Self: Eq;
  15    |                                  ++++++++++++++
  16
  17 error: aborting due to 1 previous error
  18
  19 For more information about this error, try `rustc --explain E0277`.