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//@ run-pass
#![allow(unused_variables)]
#![feature(negative_impls)]
pub struct WaitToken;
impl !Send for WaitToken {}
pub struct Test<T>(#[allow(dead_code)] T);
unsafe impl<T: 'static> Send for Test<T> {}
pub fn spawn<F>(_: F) -> () where F: FnOnce(), F: Send + 'static {}
fn main() {
let wt = Test(WaitToken);
spawn(move || {
let x = wt;
println!("Hello, World!");
});
}
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