tests/ui/enum-discriminant/enum-discriminant-const-eval-truncation-9837.rs

// https://github.com/rust-lang/rust/issues/9837
//@ run-pass
const C1: i32 = 0x12345678;
const C2: isize = C1 as i16 as isize;

enum E {
    V = C2
}

fn main() {
    assert_eq!(C2 as u64, E::V as u64);
}