rust/tests/fail/dangling_pointers/dangling_pointer_deref.rs
2022-06-01 10:53:38 -04:00

12 lines
385 B
Rust

// Make sure we find these even with many checks disabled.
// compile-flags: -Zmiri-disable-alignment-check -Zmiri-disable-stacked-borrows -Zmiri-disable-validation
fn main() {
let p = {
let b = Box::new(42);
&*b as *const i32
};
let x = unsafe { *p }; //~ ERROR dereferenced after this allocation got freed
panic!("this should never print: {}", x);
}