1 files changed, 25 insertions, 0 deletions
diff --git a/tests/ui/nll/ty-outlives/projection-where-clause-trait.rs b/tests/ui/nll/ty-outlives/projection-where-clause-trait.rs
new file mode 100644
index 000000000..1a40d3b4c
--- /dev/null
+++ b/tests/ui/nll/ty-outlives/projection-where-clause-trait.rs
@@ -0,0 +1,25 @@
+// Test that we are able to establish that `<T as
+// MyTrait<'a>>::Output: 'a` outlives `'a` (because the trait says
+// so).
+//
+// check-pass
+
+trait MyTrait<'a> {
+    type Output: 'a;
+}
+
+fn foo<'a, T>() -> &'a ()
+where
+    T: MyTrait<'a>,
+{
+    bar::<T::Output>()
+}
+
+fn bar<'a, T>() -> &'a ()
+where
+    T: 'a,
+{
+    &()
+}
+
+fn main() {}