fn f(x : i32) -> i32 {
if ((x == 10)) {
discard;
}
return x;
@fragment
fn main(@location(1) @interpolate(flat) x : vec3<i32>) -> @location(2) i32 {
var y = x.x;
loop {
let r = f(y);
if ((r == 0)) {
break;
return y;