test/vk-gl-cts/spirv_assembly/instruction/graphics/early_fragment/depth_not_equal/1.wgsl

var<private> color_out : vec4<f32>;

var<private> gl_FragDepth : f32;

fn main_1() {
  color_out = vec4<f32>(1.0, 0.0, 0.0, 1.0);
  gl_FragDepth = 0.5;
  return;
}

struct main_out {
  [[location(0)]]
  color_out_1 : vec4<f32>;
  [[builtin(frag_depth)]]
  gl_FragDepth_1 : f32;
};

[[stage(fragment)]]
fn main() -> main_out {
  main_1();
  return main_out(color_out, gl_FragDepth);
}