| error[E0277]: the type `&mut Context<'_>` may not be safely transferred across an unwind boundary |
| --> $DIR/async-is-unwindsafe.rs:12:5 |
| | |
| LL | is_unwindsafe(async { |
| | ^ ----- within this `{async block@$DIR/async-is-unwindsafe.rs:12:19: 12:24}` |
| | _____| |
| | | |
| LL | | |
| LL | | use std::ptr::null; |
| LL | | use std::task::{Context, RawWaker, RawWakerVTable, Waker}; |
| ... | |
| LL | | drop(cx_ref); |
| LL | | }); |
| | |______^ `&mut Context<'_>` may not be safely transferred across an unwind boundary |
| | |
| = help: within `{async block@$DIR/async-is-unwindsafe.rs:12:19: 12:24}`, the trait `UnwindSafe` is not implemented for `&mut Context<'_>`, which is required by `{async block@$DIR/async-is-unwindsafe.rs:12:19: 12:24}: UnwindSafe` |
| = note: `UnwindSafe` is implemented for `&Context<'_>`, but not for `&mut Context<'_>` |
| note: future does not implement `UnwindSafe` as this value is used across an await |
| --> $DIR/async-is-unwindsafe.rs:25:18 |
| | |
| LL | let cx_ref = &mut cx; |
| | ------ has type `&mut Context<'_>` which does not implement `UnwindSafe` |
| LL | |
| LL | async {}.await; // this needs an inner await point |
| | ^^^^^ await occurs here, with `cx_ref` maybe used later |
| note: required by a bound in `is_unwindsafe` |
| --> $DIR/async-is-unwindsafe.rs:3:26 |
| | |
| LL | fn is_unwindsafe(_: impl std::panic::UnwindSafe) {} |
| | ^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_unwindsafe` |
| |
| error: aborting due to 1 previous error |
| |
| For more information about this error, try `rustc --explain E0277`. |
