src/test/ui/warn-path-statement.rs - third_party/rust - Git at Google

 // compile-flags: -D path-statements
 fn main() {

     let x = 10;
     x; //~ ERROR path statement with no effect
 }
	// compile-flags: -D path-statements
	fn main() {

	let x = 10;
	x; //~ ERROR path statement with no effect
	}