//@ edition:2018 // // This is a regression test for #83564. // For some reason, Rust 2018 or higher is required to reproduce the bug. //@ run-rustfix //@ revisions: no_std std //@ [no_std]compile-flags: --cfg=no_std -C panic=abort #![cfg_attr(no_std, no_std)] use std::num::NonZero; fn main() { //~^ HELP consider importing this struct let _x = NonZero::new(5u32).unwrap(); //~^ ERROR failed to resolve: use of undeclared type `NonZero` } #[allow(dead_code)] #[cfg_attr(no_std, panic_handler)] fn panic(_info: &core::panic::PanicInfo) -> ! { loop {} }