tests/ui/traits/closure-rc-not-send.rs

use std::rc::Rc;

fn foo(_x: Rc<usize>) {}

fn bar<F: FnOnce() + Send>(_: F) {}

fn main() {
    let x = Rc::new(3);
    bar(move || foo(x));
    //~^ ERROR `Rc<usize>` cannot be sent between threads safely
}