error[E0726]: implicit elided lifetime not allowed here
  --> $DIR/wf-in-foreign-fn-decls-issue-80468.rs:13:16
   |
LL | impl Trait for Ref {}
   |                ^^^ expected lifetime parameter
   |
help: indicate the anonymous lifetime
   |
LL | impl Trait for Ref<'_> {}
   |                   ++++

error[E0277]: the trait bound `Ref<'_>: Trait` is not satisfied
  --> $DIR/wf-in-foreign-fn-decls-issue-80468.rs:16:21
   |
LL |     pub fn repro(_: Wrapper<Ref>);
   |                     ^^^^^^^^^^^^ the trait `Trait` is not implemented for `Ref<'_>`
   |
note: required by a bound in `Wrapper`
  --> $DIR/wf-in-foreign-fn-decls-issue-80468.rs:8:23
   |
LL | pub struct Wrapper<T: Trait>(T);
   |                       ^^^^^ required by this bound in `Wrapper`

error: aborting due to 2 previous errors

Some errors have detailed explanations: E0277, E0726.
For more information about an error, try `rustc --explain E0277`.