1 files changed, 17 insertions, 0 deletions
diff --git a/tests/ui/regions/regions-free-region-outlives-static-outlives-free-region.rs b/tests/ui/regions/regions-free-region-outlives-static-outlives-free-region.rs
new file mode 100644
index 000000000..7c2e1aeee
--- /dev/null
+++ b/tests/ui/regions/regions-free-region-outlives-static-outlives-free-region.rs
@@ -0,0 +1,17 @@
+// run-pass
+#![allow(dead_code)]
+// Test that we recognize that if you have
+//
+//     'a : 'static
+//
+// then
+//
+//     'a : 'b
+
+fn test<'a,'b>(x: &'a i32) -> &'b i32
+    where 'a: 'static //~ WARN unnecessary lifetime parameter `'a`
+{
+    x
+}
+
+fn main() { }