// https://doc.rust-lang.org/error_codes/E0323.html#![allow(unused)]fnmain() {trait Foo {type N;}struct Bar;impl Foo for Bar {// { dg-error "missing N in implementation of trait .Foo." }const N :u32=0;// { dg-error "item .N. is an associated const, which does not match its trait .Foo." }}}