--- /dev/null
+// Regression test for <https://github.com/rust-lang/rust/issues/73137>
+
+// run-pass
+// edition:2018
+
+#![allow(dead_code)]
+#![feature(wake_trait)]
+use std::future::Future;
+use std::task::{Waker, Wake, Context};
+use std::sync::Arc;
+
+struct DummyWaker;
+impl Wake for DummyWaker {
+ fn wake(self: Arc<Self>) {}
+}
+
+struct Foo {
+ a: usize,
+ b: &'static u32,
+}
+
+#[inline(never)]
+fn nop<T>(_: T) {}
+
+fn main() {
+ let mut fut = Box::pin(async {
+ let action = Foo {
+ b: &42,
+ a: async { 0 }.await,
+ };
+
+ // An error in the generator transform caused `b` to be overwritten with `a` when `b` was
+ // borrowed.
+ nop(&action.b);
+ assert_ne!(0usize, unsafe { std::mem::transmute(action.b) });
+
+ async {}.await;
+ });
+ let waker = Waker::from(Arc::new(DummyWaker));
+ let mut cx = Context::from_waker(&waker);
+ let _ = fut.as_mut().poll(&mut cx);
+}