rust/tests/ui/consts/uninhabited-const-issue-617...

20 lines
360 B
Rust

//@ build-fail
pub const unsafe fn fake_type<T>() -> T {
hint_unreachable() //~ ERROR evaluation of `<i32 as Const>::CONSTANT` failed
}
pub const unsafe fn hint_unreachable() -> ! {
fake_type()
}
trait Const {
const CONSTANT: i32 = unsafe { fake_type() };
}
impl<T> Const for T {}
pub fn main() -> () {
dbg!(i32::CONSTANT); //~ constant
}