error[E0503]: cannot use `foo` because it was mutably borrowed
  --> $DIR/borrowck-match-already-borrowed.rs:23:9
   |
LL |     let p = &mut foo;
   |             -------- borrow of `foo` occurs here
LL |     let _ = match foo {
LL |         Foo::B => 1, //[mir]~ ERROR [E0503]
   |         ^^^^^^ use of borrowed `foo`
...
LL |     drop(p);
   |          - borrow later used here

error[E0503]: cannot use `foo.0` because it was mutably borrowed
  --> $DIR/borrowck-match-already-borrowed.rs:25:16
   |
LL |     let p = &mut foo;
   |             -------- borrow of `foo` occurs here
...
LL |         Foo::A(x) => x //[ast]~ ERROR [E0503]
   |                ^ use of borrowed `foo`
...
LL |     drop(p);
   |          - borrow later used here

error[E0503]: cannot use `x` because it was mutably borrowed
  --> $DIR/borrowck-match-already-borrowed.rs:36:9
   |
LL |     let r = &mut x;
   |             ------ borrow of `x` occurs here
LL |     let _ = match x {
LL |         x => x + 1, //[ast]~ ERROR [E0503]
   |         ^ use of borrowed `x`
...
LL |     drop(r);
   |          - borrow later used here

error[E0503]: cannot use `x` because it was mutably borrowed
  --> $DIR/borrowck-match-already-borrowed.rs:38:9
   |
LL |     let r = &mut x;
   |             ------ borrow of `x` occurs here
...
LL |         y => y + 2, //[ast]~ ERROR [E0503]
   |         ^ use of borrowed `x`
...
LL |     drop(r);
   |          - borrow later used here

error: aborting due to 4 previous errors

For more information about this error, try `rustc --explain E0503`.