error[E0594]: cannot assign to immutable borrowed content `*x`
  --> $DIR/enum.rs:21:5
   |
20 |     let Wrap(x) = &Wrap(3);
   |              - consider changing this to `x`
21 |     *x += 1;
   |     ^^^^^^^ cannot borrow as mutable

error[E0594]: cannot assign to immutable borrowed content `*x`
  --> $DIR/enum.rs:25:9
   |
24 |     if let Some(x) = &Some(3) {
   |                 - consider changing this to `x`
25 |         *x += 1;
   |         ^^^^^^^ cannot borrow as mutable

error[E0594]: cannot assign to immutable borrowed content `*x`
  --> $DIR/enum.rs:31:9
   |
30 |     while let Some(x) = &Some(3) {
   |                    - consider changing this to `x`
31 |         *x += 1;
   |         ^^^^^^^ cannot borrow as mutable

error: aborting due to 3 previous errors