1 files changed, 20 insertions, 0 deletions
diff --git a/src/test/ui/impl-trait/issue-55872-1.rs b/src/test/ui/impl-trait/issue-55872-1.rs
new file mode 100644
index 000000000..22ff7ffa2
--- /dev/null
+++ b/src/test/ui/impl-trait/issue-55872-1.rs
@@ -0,0 +1,20 @@
+#![feature(type_alias_impl_trait)]
+
+pub trait Bar {
+    type E: Copy;
+
+    fn foo<T>() -> Self::E;
+}
+
+impl<S: Default> Bar for S {
+    type E = impl Copy;
+
+    fn foo<T: Default>() -> Self::E {
+        //~^ ERROR impl has stricter requirements than trait
+        //~| ERROR the trait bound `S: Copy` is not satisfied in `(S, T)` [E0277]
+        //~| ERROR the trait bound `T: Copy` is not satisfied in `(S, T)` [E0277]
+        (S::default(), T::default())
+    }
+}
+
+fn main() {}