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#![feature(trait_alias)]
trait EqAlias = Eq;
trait IteratorAlias = Iterator;
fn main() {
let _: &dyn EqAlias = &123;
//~^ ERROR the trait alias `EqAlias` is not dyn compatible [E0038]
let _: &dyn IteratorAlias = &vec![123].into_iter();
//~^ ERROR must be specified
}
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