File: unsized-across-await.rs

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rustc 1.85.0%2Bdfsg2-3
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//@ edition: 2021

#![feature(unsized_locals)]
//~^ WARN the feature `unsized_locals` is incomplete

async fn f() {}

async fn g(x: Box<dyn std::fmt::Display>) {
    let _x = *x;
    //~^ ERROR the size for values of type `dyn std::fmt::Display` cannot be known at compilation time
    f().await;
}

fn main() {
    let _a = g(Box::new(5));
}