rustc/tests/ui/impl-trait/in-trait/dont-project-to-rpitit-with-no-value.rs

trait MyTrait {
    fn foo(&self) -> impl Sized;
    fn bar(&self) -> impl Sized;
}

impl MyTrait for i32 {
    //~^ ERROR not all trait items implemented, missing: `foo`
    fn bar(&self) -> impl Sized {
        self.foo()
    }
}

fn main() {}