fn main() {
    let x : [@int * 5] = [@1,@2,@3,@4,@5];
    let _y : [@int * 5] = [@1,@2,@3,@4,@5];
    let mut z = [@1,@2,@3,@4,@5];
    z = x;
    assert *z[0] == 1;
    assert *z[4] == 5;
}