| error[E0517]: attribute should be applied to a struct or union |
| --> $DIR/ice-const-prop-unions-known-panics-lint-123710.rs:6:8 |
| | |
| LL | #[repr(packed)] |
| | ^^^^^^ |
| ... |
| LL | / enum E { |
| LL | | A, |
| LL | | B, |
| LL | | C, |
| LL | | } |
| | |_- not a struct or union |
| |
| error[E0740]: field must implement `Copy` or be wrapped in `ManuallyDrop<...>` to be used in a union |
| --> $DIR/ice-const-prop-unions-known-panics-lint-123710.rs:18:9 |
| | |
| LL | e: E, |
| | ^^^^ |
| | |
| = note: union fields must not have drop side-effects, which is currently enforced via either `Copy` or `ManuallyDrop<...>` |
| help: wrap the field type in `ManuallyDrop<...>` |
| | |
| LL | e: std::mem::ManuallyDrop<E>, |
| | +++++++++++++++++++++++ + |
| |
| error: aborting due to 2 previous errors |
| |
| Some errors have detailed explanations: E0517, E0740. |
| For more information about an error, try `rustc --explain E0517`. |
