rust/tests/ui/type-alias-impl-trait/issue-53598.stderr

error: type parameter `T` is part of concrete type but not used in parameter list for the `impl Trait` type alias
  --> $DIR/issue-53598.rs:20:9
   |
LL |         S::<T>(Default::default())
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^

error: aborting due to 1 previous error