#![allow(dead_code, deprecated, unused_variables, unused_mut)]
use core::marker::PhantomPinned as Foo;
use core::pin::{pin, Pin};
fn stuff(foo: Pin<&mut Foo>) {
    let _ = foo;
}
fn main() {
    let pinned_foo = pin!(Foo {});
    stuff(pinned_foo);
    stuff(pin!(Foo {}));
}