rust/tests/ui/precondition-checks/char-from_u32_unchecked.rs

//@ run-fail
//@ compile-flags: -Copt-level=3 -Cdebug-assertions=no -Zub-checks=yes
//@ error-pattern: unsafe precondition(s) violated: invalid value for `char`

fn main() {
    unsafe {
        char::from_u32_unchecked(0xD801);
    }
}