// This should fail even without validation // compile-flags: -Zmiri-disable-validation #![feature(never_type)] #![allow(unused, invalid_value)] enum Void {} fn f(v: Void) -> ! { match v {} //~ ERROR entering unreachable code } fn main() { let v: Void = unsafe { std::mem::transmute::<(), Void>(()) }; f(v); //~ inside `main` }