//@ check-pass
// Regression test for #128176.
#![feature(generic_const_exprs)]
#![feature(dyn_compatible_for_dispatch)]
#![allow(incomplete_features)]
trait X {
type Y<const N: i16>;
}
const _: () = {
fn f2<'a>(arg: Box<dyn X<Y<1> = &'a ()>>) {}
};
fn main() {}