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// edition:2018 #![feature(must_not_suspend)] #![deny(must_not_suspend)] #[must_not_suspend] struct No {} async fn shushspend() {} async fn wheeee<T>(t: T) { shushspend().await; drop(t); } async fn yes() { let no = No {}; //~^ ERROR `No` held across wheeee(&no).await; drop(no); } fn main() { }