src/test/ui/error-codes/E0232.rs - third_party/rust - Git at Google

 #![feature(on_unimplemented)]

 #[rustc_on_unimplemented]
 //~^ ERROR E0232
 trait Bar {}

 fn main() {
 }
	#![feature(on_unimplemented)]

	#[rustc_on_unimplemented]
	//~^ ERROR E0232
	trait Bar {}

	fn main() {
	}