#![deny(large_assignments)] #![feature(large_assignments)] #![move_size_limit = "1000"] // build-fail // only-x86_64 // edition:2018 // compile-flags: -Zmir-opt-level=0 use std::{sync::Arc, rc::Rc}; fn main() { let _ = Arc::new([0; 9999]); // OK! let _ = Box::new([0; 9999]); // OK! let _ = Rc::new([0; 9999]); // OK! let _ = NotBox::new([0; 9999]); //~ ERROR large_assignments } struct NotBox { data: [u8; 9999], } impl NotBox { fn new(data: [u8; 9999]) -> Self { Self { data, //~ ERROR large_assignments } } }