rust/tests/compile-fail/stacked_borrows/illegal_write3.rs

9 lines
324 B
Rust

fn main() {
let target = 42;
// Make sure raw ptr with raw tag cannot mutate frozen location without breaking the shared ref.
let r#ref = ⌖ // freeze
let ptr = r#ref as *const _ as *mut _; // raw ptr, with raw tag
unsafe { *ptr = 42; }
let _val = *r#ref; //~ ERROR is not frozen long enough
}