mirror of https://github.com/rust-lang/rust
28 lines
651 B
Rust
28 lines
651 B
Rust
// This used to compile the future down to ud2, due to uninhabited types being
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// handled incorrectly in coroutines.
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//@ compile-flags: -Copt-level=z -Cdebuginfo=2 --edition=2018
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//@ run-pass
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use std::future::Future;
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use std::task::Poll;
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use std::task::Context;
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use std::pin::Pin;
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use std::rc::Rc;
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struct Never();
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impl Future for Never {
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type Output = ();
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fn poll(self: Pin<&mut Self>, _cx: &mut Context<'_>) -> Poll<Self::Output> {
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Poll::Pending
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}
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}
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fn main() {
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let fut = async {
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let _rc = Rc::new(()); // Also crashes with Arc
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Never().await;
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};
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let _bla = fut; // Moving the future is required.
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}
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