1error: these discriminant values do not fit in any supported enum repr type
2 --> $DIR/enum_unsatisfiable.rs:3:5
3  |
43 | /     enum Bad {
54 | |         A = -0xFFFF_FFFF_FFFF_FFFF,
65 | |         B = 0xFFFF_FFFF_FFFF_FFFF,
76 | |     }
8  | |_____^
9