enable chromium_experimental_framebuffer_fetch;

struct In {
  @location(0)
  a : vec4f,
  @interpolate(flat) @location(1)
  b : vec4f,
  @color(1)
  fbf : vec4i,
}

@fragment
fn f(in : In) {
  g(in.a.x, in.b.y, in.fbf.x);
}

fn g(a : f32, b : f32, c : i32) {
}