error[E0081]: discriminant value `0` assigned more than once --> $DIR/enum-discrim-autosizing.rs:6:1 | LL | enum Eu64 { | ^^^^^^^^^ LL | LL | Au64 = 0, | - first assignment of `0` LL | LL | Bu64 = 0x8000_0000_0000_0000 | --------------------- second assignment of `0` (overflowed from `9223372036854775808`) error: aborting due to previous error For more information about this error, try `rustc --explain E0081`.