rust/tests/fail/stacked_borrows/illegal_write1.rs
2022-06-21 11:46:09 -07:00

12 lines
291 B
Rust

fn main() {
let target = Box::new(42); // has an implicit raw
let xref = &*target;
{
let x: *mut u32 = xref as *const _ as *mut _;
unsafe {
*x = 42; // invalidates shared ref, activates raw
}
}
let _x = *xref; //~ ERROR borrow stack
}