1 files changed, 0 insertions, 175 deletions
diff --git a/src/test/ui/async-await/auxiliary/issue-72470-lib.rs b/src/test/ui/async-await/auxiliary/issue-72470-lib.rs
deleted file mode 100644
index 8383eba89..000000000
--- a/src/test/ui/async-await/auxiliary/issue-72470-lib.rs
+++ /dev/null
@@ -1,175 +0,0 @@
-// compile-flags: -C opt-level=3
-// edition:2018
-
-use std::future::Future;
-use std::marker::PhantomData;
-use std::pin::Pin;
-use std::sync::atomic::AtomicUsize;
-use std::sync::Arc;
-use std::task::Poll::{Pending, Ready};
-use std::task::Waker;
-use std::task::{Context, Poll};
-use std::{
-    ptr,
-    task::{RawWaker, RawWakerVTable},
-};
-
-/// Future for the [`poll_fn`] function.
-pub struct PollFn<F> {
-    f: F,
-}
-
-impl<F> Unpin for PollFn<F> {}
-
-/// Creates a new future wrapping around a function returning [`Poll`].
-pub fn poll_fn<T, F>(f: F) -> PollFn<F>
-where
-    F: FnMut(&mut Context<'_>) -> Poll<T>,
-{
-    PollFn { f }
-}
-
-impl<T, F> Future for PollFn<F>
-where
-    F: FnMut(&mut Context<'_>) -> Poll<T>,
-{
-    type Output = T;
-
-    fn poll(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<T> {
-        (&mut self.f)(cx)
-    }
-}
-pub fn run<F: Future>(future: F) -> F::Output {
-    BasicScheduler.block_on(future)
-}
-
-pub(crate) struct BasicScheduler;
-
-impl BasicScheduler {
-    pub(crate) fn block_on<F>(&mut self, mut future: F) -> F::Output
-    where
-        F: Future,
-    {
-        let waker = unsafe { Waker::from_raw(raw_waker()) };
-        let mut cx = std::task::Context::from_waker(&waker);
-
-        let mut future = unsafe { Pin::new_unchecked(&mut future) };
-
-        loop {
-            if let Ready(v) = future.as_mut().poll(&mut cx) {
-                return v;
-            }
-        }
-    }
-}
-
-// ===== impl Spawner =====
-
-fn raw_waker() -> RawWaker {
-    RawWaker::new(ptr::null(), waker_vtable())
-}
-
-fn waker_vtable() -> &'static RawWakerVTable {
-    &RawWakerVTable::new(
-        clone_arc_raw,
-        wake_arc_raw,
-        wake_by_ref_arc_raw,
-        drop_arc_raw,
-    )
-}
-
-unsafe fn clone_arc_raw(_: *const ()) -> RawWaker {
-    raw_waker()
-}
-
-unsafe fn wake_arc_raw(_: *const ()) {}
-
-unsafe fn wake_by_ref_arc_raw(_: *const ()) {}
-
-unsafe fn drop_arc_raw(_: *const ()) {}
-
-struct AtomicWaker {}
-
-impl AtomicWaker {
-    /// Create an `AtomicWaker`
-    fn new() -> AtomicWaker {
-        AtomicWaker {}
-    }
-
-    fn register_by_ref(&self, _waker: &Waker) {}
-}
-
-#[allow(dead_code)]
-struct Tx<T> {
-    inner: Arc<Chan<T>>,
-}
-
-struct Rx<T> {
-    inner: Arc<Chan<T>>,
-}
-
-#[allow(dead_code)]
-struct Chan<T> {
-    tx: PhantomData<T>,
-    semaphore: Sema,
-    rx_waker: AtomicWaker,
-    rx_closed: bool,
-}
-
-fn channel<T>() -> (Tx<T>, Rx<T>) {
-    let chan = Arc::new(Chan {
-        tx: PhantomData,
-        semaphore: Sema(AtomicUsize::new(0)),
-        rx_waker: AtomicWaker::new(),
-        rx_closed: false,
-    });
-
-    (
-        Tx {
-            inner: chan.clone(),
-        },
-        Rx { inner: chan },
-    )
-}
-
-// ===== impl Rx =====
-
-impl<T> Rx<T> {
-    /// Receive the next value
-    fn recv(&mut self, cx: &mut Context<'_>) -> Poll<Option<T>> {
-        self.inner.rx_waker.register_by_ref(cx.waker());
-
-        if self.inner.rx_closed && self.inner.semaphore.is_idle() {
-            Ready(None)
-        } else {
-            Pending
-        }
-    }
-}
-
-struct Sema(AtomicUsize);
-
-impl Sema {
-    fn is_idle(&self) -> bool {
-        false
-    }
-}
-
-pub struct UnboundedReceiver<T> {
-    chan: Rx<T>,
-}
-
-pub fn unbounded_channel<T>() -> UnboundedReceiver<T> {
-    let (tx, rx) = channel();
-
-    drop(tx);
-    let rx = UnboundedReceiver { chan: rx };
-
-    rx
-}
-
-impl<T> UnboundedReceiver<T> {
-    pub async fn recv(&mut self) -> Option<T> {
-        poll_fn(|cx| self.chan.recv(cx)).await
-    }
-}