rust/tests/ui/consts/const-eval/ref_to_int_match.rs
2023-01-11 09:32:08 +00:00

27 lines
487 B
Rust

// stderr-per-bitwidth
fn main() {
let n: Int = 40;
match n {
0..=10 => {},
10..=BAR => {}, //~ ERROR could not evaluate constant pattern
//~| ERROR could not evaluate constant pattern
_ => {},
}
}
#[repr(C)]
union Foo {
f: Int,
r: &'static u32,
}
#[cfg(target_pointer_width="64")]
type Int = u64;
#[cfg(target_pointer_width="32")]
type Int = u32;
const BAR: Int = unsafe { Foo { r: &42 }.f };
//~^ ERROR constant