File: not-found-unsatisfied-bounds-in-multiple-impls.rs

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#![feature(inherent_associated_types)]
#![allow(incomplete_features)]

struct S<A, B>(A, B);
struct Featureless;

trait One {}
trait Two {}

impl<T: One> S<Featureless, T> {
    type X = ();
}

impl<T: Two> S<T, Featureless> {
    type X = String;
}

fn main() {
    let _: S::<Featureless, Featureless>::X; //~ ERROR the associated type `X` exists for `S<Featureless, Featureless>`, but its trait bounds were not satisfied
}