// This should fail even without validation // compile-flags: -Zmir-emit-validate=0 fn main() { #[cfg(target_pointer_width="64")] let bad = unsafe { std::mem::transmute::<&[u8], u128>(&[1u8]) }; #[cfg(target_pointer_width="32")] let bad = unsafe { std::mem::transmute::<&[u8], u64>(&[1u8]) }; let _ = bad + 1; //~ ERROR constant evaluation error [E0080] //~^ NOTE a raw memory access tried to access part of a pointer value as raw bytes }