rust/tests/ui/missing_spin_loop_no_std.rs

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2021-12-26 03:00:29 -06:00
// run-rustfix
#![warn(clippy::missing_spin_loop)]
#![feature(lang_items, start, libc)]
#![no_std]
use core::sync::atomic::{AtomicBool, Ordering};
#[start]
fn main(_argc: isize, _argv: *const *const u8) -> isize {
// This should trigger the lint
let b = AtomicBool::new(true);
// This should lint with `core::hint::spin_loop()`
while b.load(Ordering::Acquire) {}
0
}
#[panic_handler]
fn panic(_info: &core::panic::PanicInfo) -> ! {
loop {}
}
#[lang = "eh_personality"]
extern "C" fn eh_personality() {}