src/test/ui/error-codes/E0297.rs - third_party/rust - Git at Google

 fn main() {
     let xs : Vec<Option<i32>> = vec![Some(1), None];

     for Some(x) in xs {}
     //~^ ERROR E0005
 }
	fn main() {
	let xs : Vec<Option<i32>> = vec![Some(1), None];

	for Some(x) in xs {}
	//~^ ERROR E0005
	}