1 files changed, 23 insertions, 0 deletions
diff --git a/tests/ui/regions/regions-implied-bounds-projection-gap-4.rs b/tests/ui/regions/regions-implied-bounds-projection-gap-4.rs
new file mode 100644
index 000000000..5158c2893
--- /dev/null
+++ b/tests/ui/regions/regions-implied-bounds-projection-gap-4.rs
@@ -0,0 +1,23 @@
+// Along with the other tests in this series, illustrates the
+// "projection gap": in this test, we know that `T: 'x`, and that
+// is (naturally) enough to conclude that `T: 'x`.
+
+// check-pass
+#![allow(dead_code)]
+#![allow(unused_variables)]
+
+trait Trait1<'x> {
+    type Foo;
+}
+
+// calling this fn should trigger a check that the type argument
+// supplied is well-formed.
+fn wf<T>() { }
+
+fn func<'x, T:Trait1<'x>>(t: &'x T)
+{
+    wf::<&'x T>();
+}
+
+
+fn main() { }