rust/tests/compile-fail/never_say_never.rs

17 lines
356 B
Rust

// This should fail even without validation
// compile-flags: -Zmir-emit-validate=0
#![feature(never_type)]
#![allow(unreachable_code)]
fn main() {
let y = &5;
let x: ! = unsafe {
*(y as *const _ as *const !) //~ ERROR constant evaluation error [E0080]
//~^ NOTE entered unreachable code
};
f(x)
}
fn f(x: !) -> ! { x }