src/test/ui/error-codes/E0658.rs - third_party/rust - Git at Google

 #[repr(u128)]
 enum Foo { //~ ERROR E0658
     Bar(u64),
 }

 fn main() {}
	#[repr(u128)]
	enum Foo { //~ ERROR E0658
	Bar(u64),
	}

	fn main() {}