1 // ignore-tidy-linelength
2 // ignore-compare-mode-chalk
3 #![feature(arbitrary_self_types)]
4 // revisions: min_tait full_tait
5 #![feature(min_type_alias_impl_trait)]
6 #![cfg_attr(full_tait, feature(type_alias_impl_trait))]
7 //[full_tait]~^ WARN incomplete
14 fn foo(self: impl Deref<Target = Self>) -> Self::Bar;
20 fn foo(self: impl Deref<Target = Self>) -> Self::Bar {
21 //~^ Error type parameter `impl Deref<Target = Self>` is part of concrete type but not used in parameter list for the `impl Trait` type alias