//@ check-pass
//@ revisions: current next
//@ ignore-compare-mode-next-solver (explicit revisions)
//@[next] compile-flags: -Znext-solver
struct Node<C: Trait<Self>>(C::Assoc);

trait Trait<T> {
    type Assoc;
}

impl<T> Trait<T> for Vec<()> {
    type Assoc = Vec<T>;
}

fn main() {
    let _ = Node::<Vec<()>>(Vec::new());
}