// With no repr attribute the discriminant will default to isize. | |
// On 32-bit architectures this is equivalent to i32 so the variants | |
// collide. On other architectures we need compilation to fail anyway, | |
// so force the repr. | |
#[cfg_attr(not(target_pointer_width = "32"), repr(i32))] | |
enum Eu64 { | |
Au64 = 0, //~NOTE first use of `0` | |
Bu64 = 0x8000_0000_0000_0000 | |
//~^ ERROR discriminant value `0` already exists | |
//~| NOTE enum already has `0` (overflowed from `9223372036854775808`) | |
} | |
fn main() {} |