error[E0596]: cannot borrow immutable borrowed content as mutable
  --> $DIR/borrowck-borrow-overloaded-deref.rs:23:24
   |
LL |     let __isize = &mut *x;
   |                        ^^ cannot borrow as mutable

error[E0596]: cannot borrow immutable borrowed content as mutable
  --> $DIR/borrowck-borrow-overloaded-deref.rs:27:24
   |
LL |     let __isize = &mut *x;
   |                        ^^ cannot borrow as mutable

error[E0596]: cannot borrow immutable borrowed content as mutable
  --> $DIR/borrowck-borrow-overloaded-deref.rs:35:10
   |
LL |     &mut **x
   |          ^^^ cannot borrow as mutable

error[E0596]: cannot borrow immutable borrowed content as mutable
  --> $DIR/borrowck-borrow-overloaded-deref.rs:39:10
   |
LL |     &mut **x
   |          ^^^ cannot borrow as mutable

error[E0594]: cannot assign to immutable borrowed content
  --> $DIR/borrowck-borrow-overloaded-deref.rs:43:5
   |
LL |     *x = 3;
   |     ^^^^^^ cannot borrow as mutable

error[E0594]: cannot assign to immutable borrowed content
  --> $DIR/borrowck-borrow-overloaded-deref.rs:47:5
   |
LL |     **x = 3;
   |     ^^^^^^^ cannot borrow as mutable

error[E0594]: cannot assign to immutable borrowed content
  --> $DIR/borrowck-borrow-overloaded-deref.rs:51:5
   |
LL |     **x = 3;
   |     ^^^^^^^ cannot borrow as mutable

error: aborting due to 7 previous errors

Some errors occurred: E0594, E0596.
For more information about an error, try `rustc --explain E0594`.