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// This used to compile the future down to ud2, due to uninhabited types being
// handled incorrectly in generators.
// compile-flags: -Copt-level=z -Cdebuginfo=2 --edition=2018
// run-pass
// ignore-asmjs wasm2js does not support source maps yet
use std::future::Future;
use std::task::Poll;
use std::task::Context;
use std::pin::Pin;
use std::rc::Rc;
struct Never();
impl Future for Never {
type Output = ();
fn poll(self: Pin<&mut Self>, _cx: &mut Context<'_>) -> Poll<Self::Output> {
Poll::Pending
}
}
fn main() {
let fut = async {
let _rc = Rc::new(()); // Also crashes with Arc
Never().await;
};
let _bla = fut; // Moving the future is required.
}
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