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// 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(impl_trait_in_assoc_type)]
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() {}
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