tests/fail/function_pointers/cast_box_int_to_fn_ptr.rs

// Validation makes this fail in the wrong place
//@compile-flags: -Zmiri-disable-validation

fn main() {
    let b = Box::new(42);
    let g = unsafe { std::mem::transmute::<&Box<usize>, &fn(i32)>(&b) };

    (*g)(42) //~ ERROR: it does not point to a function
}