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#![crate_type="rlib"] #[inline(never)] pub fn foo<T>() { let _: Box<SomeTrait> = Box::new(SomeTraitImpl); } pub fn bar() { SomeTraitImpl.bar(); } mod submod { pub trait SomeTrait { fn bar(&self) { panic!("NO") } } } use self::submod::SomeTrait; pub struct SomeTraitImpl; impl SomeTrait for SomeTraitImpl {}