src/test/ui/impl-trait/issue-86465.rs

   1 #![feature(type_alias_impl_trait)]
   2
   3 type X<'a, 'b> = impl std::fmt::Debug;
   4
   5 fn f<'t, 'u>(a: &'t u32, b: &'u u32) -> (X<'t, 'u>, X<'u, 't>) {
   6     //~^ ERROR concrete type differs from previous defining opaque type use
   7     (a, a)
   8 }
   9
  10 fn main() {}