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// edition:2018
// revisions: no_drop_tracking drop_tracking
// [drop_tracking] compile-flags: -Zdrop-tracking=yes
// [no_drop_tracking] compile-flags: -Zdrop-tracking=no
#![feature(must_not_suspend)]
#![deny(must_not_suspend)]
#[must_not_suspend = "You gotta use Umm's, ya know?"]
struct Umm {
i: i64,
}
struct Bar {
u: Umm,
}
async fn other() {}
impl Bar {
async fn uhoh(&mut self) {
let guard = &mut self.u; //~ ERROR `Umm` held across
other().await;
*guard = Umm { i: 2 }
}
}
fn main() {}
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