@compute @workgroup_size(1)
fn main() {
  var m : mat3x3<f32> = mat3x3<f32>(vec3<f32>(1.0, 2.0, 3.0), vec3<f32>(4.0, 5.0, 6.0), vec3<f32>(7.0, 8.0, 9.0));
  let v : ptr<function, vec3<f32>> = &(m[1]);
  *(v) = vec3<f32>(5.0, 5.0, 5.0);
}