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//@ edition: 2021
//@ compile-flags: -Zinline-mir
//@ build-pass
// Ensure that we don't hit a Steal ICE because we forgot to ensure
// `mir_inliner_callees` for the synthetic by-move coroutine body since
// its def-id wasn't previously being considered.
use std::future::Future;
use std::pin::pin;
use std::task::*;
pub fn block_on<T>(fut: impl Future<Output = T>) -> T {
let mut fut = pin!(fut);
let ctx = &mut Context::from_waker(Waker::noop());
loop {
match fut.as_mut().poll(ctx) {
Poll::Pending => {}
Poll::Ready(t) => break t,
}
}
}
async fn call_once<T>(f: impl AsyncFnOnce() -> T) -> T {
f().await
}
fn main() {
let c = async || {};
block_on(call_once(c));
}
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