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// Non-regression test ICE from issue #105809 and duplicates.
// build-pass: the ICE is during codegen
// compile-flags: --edition 2018 -Zmir-opt-level=1
use std::{future::Future, pin::Pin};
// Create a `T` without affecting analysis like `loop {}`.
fn create<T>() -> T {
loop {}
}
async fn trivial_future() {}
struct Connection<H> {
_h: H,
}
async fn complex_future<H>(conn: &Connection<H>) {
let small_fut = async move {
let _ = conn;
trivial_future().await;
};
let mut tuple = (small_fut,);
let (small_fut_again,) = &mut tuple;
let _ = small_fut_again;
}
fn main() {
let mut fut = complex_future(&Connection { _h: () });
let mut cx = create();
let future = unsafe { Pin::new_unchecked(&mut fut) };
let _ = future.poll(&mut cx);
}
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