error[E0081]: discriminant value `3` assigned more than once
  --> $DIR/E0081.rs:1:1
   |
LL | / enum Enum {
LL | |
LL | |     P = 3,
   | |         - first assignment of `3`
LL | |
LL | |     X = 3,
   | |         - second assignment of `3`
LL | |
LL | |     Y = 5
LL | | }
   | |_^

error[E0081]: discriminant value `1` assigned more than once
  --> $DIR/E0081.rs:11:1
   |
LL | / enum EnumOverflowRepr {
LL | |
LL | |     P = 257,
   | |         --- first assignment of `1` (overflowed from `257`)
LL | |
LL | |     X = 513,
   | |         --- second assignment of `1` (overflowed from `513`)
LL | |
LL | | }
   | |_^

error[E0081]: discriminant value `-1` assigned more than once
  --> $DIR/E0081.rs:20:1
   |
LL | / enum NegDisEnum {
LL | |
LL | |     First = -1,
   | |             -- first assignment of `-1`
LL | |
LL | |     Second = -2,
   | |     ----------- assigned discriminant for `Last` was incremented from this discriminant
LL | |
LL | |     Last,
   | |     ---- second assignment of `-1`
LL | |
LL | | }
   | |_^

error: aborting due to 3 previous errors

For more information about this error, try `rustc --explain E0081`.