| error[E0596]: cannot borrow `b` as mutable, as it is not declared as mutable | |
| --> $DIR/patkind-ref-binding-issue-114896.rs:7:9 | |
| | | |
| LL | b.make_ascii_uppercase(); | |
| | ^ cannot borrow as mutable | |
| | | |
| help: consider changing this to be mutable | |
| | | |
| LL | let &(mut b) = a; | |
| | ~~~~~ + | |
| error: aborting due to 1 previous error | |
| For more information about this error, try `rustc --explain E0596`. |