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// Regression test for #29859, supertrait version. This example
// allowed arbitrary trait bounds to be synthesized.
trait Magic: Copy {}
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); //~ ERROR E0275
println!("{:?} {:?}", a, b);
}
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