Add some GATs related regression tests

src/test/ui/generic-associated-types/issue-88287.rs

@@ -0,0 +1,39 @@
+// check-pass
+// edition:2018
+
+#![feature(generic_associated_types)]
+#![feature(type_alias_impl_trait)]
+
+use std::future::Future;
+
+trait SearchableResource<Criteria> {
+ type SearchResult;
+}
+
+trait SearchableResourceExt<Criteria>: SearchableResource<Criteria> {
+ type Future<'f, A: 'f + ?Sized, B: 'f>: Future<Output = Result<Vec<A::SearchResult>, ()>> + 'f
+ where
+ A: SearchableResource<B>;
+
+ fn search<'c>(&'c self, client: &'c ()) -> Self::Future<'c, Self, Criteria>;
+}
+
+type SearchFutureTy<'f, A, B: 'f>
+where
+ A: SearchableResource<B> + ?Sized + 'f,
+= impl Future<Output = Result<Vec<A::SearchResult>, ()>> + 'f;
+impl<T, Criteria> SearchableResourceExt<Criteria> for T
+where
+ T: SearchableResource<Criteria>,
+{
+ type Future<'f, A, B: 'f>
+ where
+ A: SearchableResource<B> + ?Sized + 'f,
+ = SearchFutureTy<'f, A, B>;
+
+ fn search<'c>(&'c self, _client: &'c ()) -> Self::Future<'c, Self, Criteria> {
+ async move { todo!() }
+ }
+}
+
+fn main() {}

src/test/ui/generic-associated-types/issue-88405.rs

@@ -0,0 +1,16 @@
+// check-pass
+
+#![feature(generic_associated_types)]
+
+trait SomeTrait {}
+trait OtherTrait {
+ type Item;
+}
+
+trait ErrorSimpleExample {
+ type AssociatedType: SomeTrait;
+ type GatBounded<T: SomeTrait>;
+ type ErrorMinimal: OtherTrait<Item = Self::GatBounded<Self::AssociatedType>>;
+}
+
+fn main() {}