| error[E0596]: cannot borrow immutable argument `b` as mutable | |
| --> $DIR/mut-borrow-of-mut-ref.rs:8:12 | |
| | | |
| LL | g(&mut b) | |
| | ^ cannot borrow mutably | |
| help: consider removing the `&mut`, as it is an immutable binding to a mutable reference | |
| | | |
| LL | g(b) | |
| | ^ | |
| error: aborting due to previous error | |
| For more information about this error, try `rustc --explain E0596`. |