tests/ui/reachable/unreachable-code.rs - rust - Git at Google

 #![deny(unreachable_code)]
 #![allow(unused_variables)]

 fn main() {
   loop{}

   let a = 3; //~ ERROR: unreachable statement
 }
	#![deny(unreachable_code)]
	#![allow(unused_variables)]

	fn main() {
	loop{}

	let a = 3; //~ ERROR: unreachable statement
	}