[[stage(fragment)]]
fn main([[location(0), interpolate(flat)]] loc0 : i32, [[location(1), interpolate(flat)]] loc1 : u32, [[location(2)]] loc2 : f32, [[location(3)]] loc3 : vec4<f32>) {
  let i : i32 = loc0;
  let u : u32 = loc1;
  let f : f32 = loc2;
  let v : vec4<f32> = loc3;
}