1 files changed, 15 insertions, 0 deletions
diff --git a/src/test/ui/type-alias-impl-trait/issue-52843.rs b/src/test/ui/type-alias-impl-trait/issue-52843.rs
new file mode 100644
index 000000000..159d3ccd2
--- /dev/null
+++ b/src/test/ui/type-alias-impl-trait/issue-52843.rs
@@ -0,0 +1,15 @@
+#![feature(type_alias_impl_trait)]
+
+type Foo<T> = impl Default;
+
+#[allow(unused)]
+fn foo<T: Default>(t: T) -> Foo<T> {
+    t
+    //~^ ERROR: the trait bound `T: Default` is not satisfied
+}
+
+struct NotDefault;
+
+fn main() {
+    let _ = Foo::<NotDefault>::default();
+}