enable f16;
struct S {
    v: vec3<f16>,
};

var<private> P : S;

fn f() {
    P.v = vec3<f16>(1.0h, 2.0h, 3.0h);

    P.v.x = 1.0h;
    P.v.y = 2.0h;
    P.v.z = 3.0h;
}