| #![feature(no_core)] | |
| #![no_core] | |
| #![feature(lang_items)] | |
| #[lang = "sized"] | |
| pub trait Sized {} | |
| trait A<T> { | |
| type Output; | |
| fn test(self, a: &T) -> &Self::Output; | |
| } | |
| struct Foo<T> { | |
| // { dg-warning "struct is never constructed" "" { target *-*-* } .-1 } | |
| start: T, | |
| end: T, | |
| } | |
| impl<X> A<X> for Foo<usize> { | |
| type Output = X; | |
| fn test(self, a: &X) -> &Self::Output { | |
| a | |
| } | |
| } |