// Deref a raw ptr to access a field of a large struct, where the field // is allocated but not the entire struct is. fn main() { let x = (1, 13); let xptr = &x as *const _ as *const (i32, i32, i32); let val = unsafe { (*xptr).1 }; //~ ERROR: pointer to 12 bytes starting at offset 0 is out-of-bounds assert_eq!(val, 13); }