1 error[E0081]: discriminant value `0` assigned more than once
2 --> $DIR/enum-discrim-autosizing.rs:6:1
10 LL | Bu64 = 0x8000_0000_0000_0000
11 | --------------------- `0` (overflowed from `9223372036854775808`) assigned here
13 error: aborting due to previous error
15 For more information about this error, try `rustc --explain E0081`.