// This should fail even without validation // compile-flags: -Zmir-emit-validate=0 -Zmiri-disable-validation static mut LEAK: usize = 0; fn fill(v: &mut i32) { unsafe { LEAK = v as *mut _ as usize; } } fn evil() { let v = unsafe { &mut *(LEAK as *mut i32) }; let _x = *v; //~ ERROR dangling pointer was dereferenced } fn main() { let _y; { let mut x = 0i32; fill(&mut x); _y = x; } evil(); }