1 files changed, 16 insertions, 0 deletions
diff --git a/tests/ui/variance/variance-use-covariant-struct-2.rs b/tests/ui/variance/variance-use-covariant-struct-2.rs
new file mode 100644
index 000000000..ecd2204c9
--- /dev/null
+++ b/tests/ui/variance/variance-use-covariant-struct-2.rs
@@ -0,0 +1,16 @@
+// Test that a covariant struct permits the lifetime of a reference to
+// be shortened.
+
+#![allow(dead_code)]
+// build-pass (FIXME(62277): could be check-pass?)
+
+struct SomeStruct<T>(T);
+
+fn foo<'min,'max>(v: SomeStruct<&'max ()>)
+                  -> SomeStruct<&'min ()>
+    where 'max : 'min
+{
+    v
+}
+
+fn main() { }