| error[E0506]: cannot assign to `_a` because it is borrowed | |
| --> $DIR/borrowck-imm-ref-to-mut-rec-field-issue-3162-c.rs:6:9 | |
| | | |
| LL | let b = &mut _a; | |
| | ------- `_a` is borrowed here | |
| ... | |
| LL | _a = 4; | |
| | ^^^^^^ `_a` is assigned to here but it was already borrowed | |
| ... | |
| LL | drop(b); | |
| | - borrow later used here | |
| error: aborting due to 1 previous error | |
| For more information about this error, try `rustc --explain E0506`. |