struct A {
    array_length: u32,
    array_length_call_ret_val: u32,
    a: vec3<u32>,
    @align(16)
    arr: array<u32>,
}

@group(0) @binding(0)
var<storage> in: A;

@group(0) @binding(1)
var<storage, read_write> out: A;

@compute @workgroup_size(1, 1, 1)
fn main() {
    out.array_length = in.array_length;
    out.a = in.a;
    for (var i = 0u; i < arrayLength(&in.arr); i = i + 1u) {
        out.arr[i] = in.arr[i];
    }
    out.array_length_call_ret_val = arrayLength(&in.arr);
}