// This should fail even without validation // compile-flags: -Zmiri-disable-validation #![feature(never_type)] #![allow(unused, invalid_value)] mod m { enum VoidI {} pub struct Void(VoidI); pub fn f(v: Void) -> ! { match v.0 {} //~ ERROR entering unreachable code } } fn main() { let v = unsafe { std::mem::transmute::<(), m::Void>(()) }; m::f(v); //~ inside `main` }