rust/tests/fail/dangling_pointers/dangling_pointer_deref.rs
2022-07-11 11:48:56 +00:00

12 lines
386 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);
}