File: issue-84075.rs

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rustc 1.70.0%2Bdfsg1-9
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// Regression test for issue #84075.

#![feature(auto_traits)]

auto trait Magic where Self: Copy {} //~ ERROR E0568
impl<T: Magic> Magic for T {}

fn copy<T: Magic>(x: T) -> (T, T) { (x, x) }

#[derive(Debug)]
struct NoClone;

fn main() {
    let (a, b) = copy(NoClone);
    println!("{:?} {:?}", a, b);
}