mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-30 02:33:55 +00:00
26 lines
574 B
Rust
26 lines
574 B
Rust
//@ run-pass
|
|
// allows aligned custom discriminant enums to cast into other types
|
|
// See the issue #92464 for more info
|
|
#[allow(dead_code)]
|
|
#[repr(align(8))]
|
|
enum Aligned {
|
|
Zero = 0,
|
|
One = 1,
|
|
}
|
|
|
|
fn main() {
|
|
let aligned = Aligned::Zero;
|
|
let fo = aligned as u8;
|
|
println!("foo {}", fo);
|
|
assert_eq!(fo, 0);
|
|
println!("{}", tou8(Aligned::Zero));
|
|
assert_eq!(tou8(Aligned::Zero), 0);
|
|
}
|
|
|
|
#[inline(never)]
|
|
fn tou8(al: Aligned) -> u8 {
|
|
// Cast behind a function call so ConstProp does not see it
|
|
// (so that we can test codegen).
|
|
al as u8
|
|
}
|