rust/tests/ui/crate_level_checks/no_std_swap.rs

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#![no_std]
#![feature(lang_items, start, libc)]
#![crate_type = "lib"]
use core::panic::PanicInfo;
#[warn(clippy::all)]
fn main() {
let mut a = 42;
let mut b = 1337;
a = b;
b = a;
}