//@ aux-build:consts.rs #![warn(indirect_structural_match)] extern crate consts; struct Defaulted; impl consts::AssocConst for Defaulted {} fn main() { let _ = Defaulted; match None { consts::SOME => panic!(), //~^ must be annotated with `#[derive(PartialEq)]` _ => {} } match None { ::SOME => panic!(), //~^ must be annotated with `#[derive(PartialEq)]` _ => {} } }