39 lines
762 B
Rust
39 lines
762 B
Rust
|
//@ known-bug: #135668
|
||
|
|
//@ compile-flags: --edition=2021
|
||
|
|
use std::future::Future;
|
||
|
|
|
||
|
|
pub async fn foo() {
|
||
|
|
let _ = create_task().await;
|
||
|
|
}
|
||
|
|
|
||
|
|
async fn create_task() -> impl Sized {
|
||
|
|
bind(documentation)
|
||
|
|
}
|
||
|
|
|
||
|
|
async fn documentation() {
|
||
|
|
include_str!("nonexistent");
|
||
|
|
}
|
||
|
|
|
||
|
|
fn bind<F>(_filter: F) -> impl Sized
|
||
|
|
where
|
||
|
|
F: FilterBase,
|
||
|
|
{
|
||
|
|
|| -> <F as FilterBase>::Assoc { panic!() }
|
||
|
|
}
|
||
|
|
|
||
|
|
trait FilterBase {
|
||
|
|
type Assoc;
|
||
|
|
}
|
||
|
|
|
||
|
|
impl<F, R> FilterBase for F
|
||
|
|
where
|
||
|
|
F: Fn() -> R,
|
||
|
|
// Removing the below line makes it correctly error on both stable and beta
|
||
|
|
R: Future,
|
||
|
|
// Removing the below line makes it ICE on both stable and beta
|
||
|
|
R: Send,
|
||
|
|
// Removing the above two bounds makes it ICE on stable but correctly error on beta
|
||
|
|
{
|
||
|
|
type Assoc = F;
|
||
|
|
}
|