rust/tests/ui/coroutine/witness-ignore-fake-reads.rs
2024-02-16 20:02:50 +00:00

35 lines
612 B
Rust

//@ check-pass
//@ edition: 2021
// regression test for #117059
struct SendNotSync(*const ());
unsafe impl Send for SendNotSync {}
// impl !Sync for SendNotSync {} // automatically disabled
struct Inner {
stream: SendNotSync,
state: bool,
}
struct SendSync;
impl std::ops::Deref for SendSync {
type Target = Inner;
fn deref(&self) -> &Self::Target {
todo!();
}
}
async fn next() {
let inner = SendSync;
match inner.state {
true if false => {}
false => async {}.await,
_ => {}
}
}
fn is_send<T: Send>(_: T) {}
fn main() {
is_send(next())
}