| // revisions: no_drop_tracking drop_tracking drop_tracking_mir |
| // [drop_tracking] compile-flags: -Zdrop-tracking |
| // [drop_tracking_mir] compile-flags: -Zdrop-tracking-mir |
| // edition:2018 |
| |
| #![feature(type_alias_impl_trait)] |
| |
| pub trait Bar { |
| type E: Send; |
| |
| fn foo<T>() -> Self::E; |
| } |
| |
| impl<S> Bar for S { |
| type E = impl std::marker::Send; |
| fn foo<T>() -> Self::E { |
| async {} |
| //~^ ERROR type parameter `T` is part of concrete type but not used in parameter list for the `impl Trait` type alias |
| //[drop_tracking_mir]~^^ ERROR type parameter `T` is part of concrete type but not used in parameter list for the `impl Trait` type alias |
| } |
| } |
| |
| fn main() {} |
