#![feature(test)]
extern crate test;

#[inline(never)]
fn pv(v: Vec<i32>) {
  test::black_box(v);
}

fn pvr(v: &Vec<i32>) {
  println!("{:?}", v);
}

fn main() {
    let v = vec![1, 2, 3];
    pvr(&v);
    pv(v);
}