// revisions: no_drop_tracking drop_tracking drop_tracking_mir // [drop_tracking] compile-flags: -Zdrop-tracking // [drop_tracking_mir] compile-flags: -Zdrop-tracking-mir // edition:2018 #![feature(must_not_suspend)] #![deny(must_not_suspend)] #[must_not_suspend] struct No {} async fn shushspend() {} async fn wheeee(t: T) { shushspend().await; drop(t); } async fn yes() { wheeee(&No {}).await; //~ ERROR `No` held across } fn main() { }