test/tint/expressions/swizzle/write/packed_vec3/f16.wgsl

// flags:  --hlsl_shader_model 62
enable f16;
struct S {
    v: vec3<f16>,
};

@group(0) @binding(0) var<storage, read_write> U : S;

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

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