| error[E0277]: the type `UnsafeCell<i32>` may contain interior mutability and a reference may not be safely transferrable across a catch_unwind boundary |
| --> $DIR/interior-mutability.rs:5:18 |
| | |
| LL | catch_unwind(|| { x.set(23); }); |
| | ------------ ^^^^^^^^^^^^^^^^^ `UnsafeCell<i32>` may contain interior mutability and a reference may not be safely transferrable across a catch_unwind boundary |
| | | |
| | required by a bound introduced by this call |
| | |
| = help: within `Cell<i32>`, the trait `RefUnwindSafe` is not implemented for `UnsafeCell<i32>`, which is required by `{closure@$DIR/interior-mutability.rs:5:18: 5:20}: UnwindSafe` |
| note: required because it appears within the type `Cell<i32>` |
| --> $SRC_DIR/core/src/cell.rs:LL:COL |
| = note: required for `&Cell<i32>` to implement `UnwindSafe` |
| note: required because it's used within this closure |
| --> $DIR/interior-mutability.rs:5:18 |
| | |
| LL | catch_unwind(|| { x.set(23); }); |
| | ^^ |
| note: required by a bound in `std::panic::catch_unwind` |
| --> $SRC_DIR/std/src/panic.rs:LL:COL |
| |
| error: aborting due to 1 previous error |
| |
| For more information about this error, try `rustc --explain E0277`. |
