// This should fail even without validation or Stacked Borrows. // compile-flags: -Zmiri-disable-validation -Zmiri-disable-stacked-borrows use std::ptr; fn main() { // Try many times as this might work by chance. for _ in 0..10 { let x = [2u16, 3, 4]; // Make it big enough so we don't get an out-of-bounds error. let x = &x[0] as *const _ as *const u32; // This must fail because alignment is violated: the allocation's base is not sufficiently aligned. // The deref is UB even if we just put the result into a raw pointer. let _x = unsafe { ptr::addr_of!(*x) }; //~ ERROR memory with alignment 2, but alignment 4 is required } }