rust/tests/fail/unaligned_pointers/reference_to_packed.rs

// This should fail even without validation/SB
// compile-flags: -Zmiri-disable-validation -Zmiri-disable-stacked-borrows

#![allow(dead_code, unused_variables, unaligned_references)]

#[repr(packed)]
struct Foo {
    x: i32,
    y: i32,
}

fn main() {
    // Try many times as this might work by chance.
    for _ in 0..10 {
        let foo = Foo { x: 42, y: 99 };
        let p = &foo.x;
        let i = *p; //~ERROR alignment 4 is required
    }
}