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

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2018-10-19 11:38:23 -05:00
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 Shr reference with non-reactivatable tag Frz
}