1 files changed, 19 insertions, 0 deletions
diff --git a/tests/ui/nll/closure-requirements/type-test-subject-non-trivial-region.rs b/tests/ui/nll/closure-requirements/type-test-subject-non-trivial-region.rs
new file mode 100644
index 000000000..d8772e868
--- /dev/null
+++ b/tests/ui/nll/closure-requirements/type-test-subject-non-trivial-region.rs
@@ -0,0 +1,19 @@
+// See #108639 for description.
+// check-pass
+
+trait Trait {
+    type Item<'a>: 'a;
+}
+
+fn assert_static<T: 'static>(_: T) {}
+fn relate<T>(_: T, _: T) {}
+
+fn test_args<I: Trait>() {
+    let closure = |a, b| {
+        relate(&a, b);
+        assert_static(a);
+    };
+    closure(None::<I::Item<'_>>, &None::<I::Item<'_>>);
+}
+
+fn main() {}