File: issue-62200.rs

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rustc 1.85.0%2Bdfsg3-1
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struct S {}

trait T<'a> {
    type A;
}

impl T<'_> for S {
    type A = u32;
}

fn foo(x: impl Fn(<S as T<'_>>::A) -> <S as T<'_>>::A) {}
//~^ ERROR binding for associated type `Output` references an anonymous lifetime
//~| NOTE lifetimes appearing in an associated or opaque type are not considered constrained
//~| NOTE consider introducing a named lifetime parameter

fn main() {}