| //@ build-pass | |
| //@ compile-flags:-Copt-level=0 | |
| //@ edition:2018 | |
| struct S<T>(std::marker::PhantomData<T>); | |
| impl<T> std::ops::Deref for S<T> { | |
| type Target = T; | |
| fn deref(&self) -> &Self::Target { | |
| todo!() | |
| } | |
| } | |
| impl<T> std::ops::DerefMut for S<T> { | |
| fn deref_mut(&mut self) -> &mut Self::Target { | |
| todo!() | |
| } | |
| } | |
| async fn new() -> S<u64> { | |
| todo!() | |
| } | |
| async fn crash() { | |
| *new().await = 1 + 1; | |
| } | |
| fn main() { | |
| let _ = crash(); | |
| } |