File: const-suggest-feature.rs

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rustc 1.86.0%2Bdfsg1-1
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//@compile-flags: --edition 2018
use std::cell::Cell;

const WRITE: () = unsafe {
    let x = async { 13 };
    //~^ ERROR `async` blocks
    //~| HELP add `#![feature(const_async_blocks)]` to the crate attributes to enable
};

fn main() {}