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

use std::marker::ConstParamTy;

#[derive(Eq, PartialEq)]
struct Foo<T>(T);

trait Other {}

impl<T> ConstParamTy for Foo<T> where T: Other + ConstParamTy {}

fn foo<const N: Foo<u8>>() {}
//~^ ERROR `Foo<u8>` must implement `ConstParamTy` to be used as the type of a const generic parameter
//~| NOTE `u8` must implement `Other`, but it does not

fn main() {}