use std::sync::{Arc, RwLock};
use std::thread::spawn;

fn main() {
    let count = 2;
    let data = Arc::new(RwLock::new(vec![Some(true); count]));

    for i in 0..count {
        let data = data.clone();

        Some(spawn(move || {
            data.write().unwrap()[i] = None;
        }));
    }

    // This hangs a lot, since 1.62.0 (1.61 works fine)
    while data.read().unwrap()[0].is_some()
        || data.read().unwrap()[1].is_some()
    {}

    // This always passes
    while data.read().unwrap()[0].is_some() {}
    while data.read().unwrap()[1].is_some() {}

    dbg!();
}