1 files changed, 15 insertions, 0 deletions
diff --git a/src/test/ui/regions/regions-link-fn-args.rs b/src/test/ui/regions/regions-link-fn-args.rs
new file mode 100644
index 000000000..231407b22
--- /dev/null
+++ b/src/test/ui/regions/regions-link-fn-args.rs
@@ -0,0 +1,15 @@
+// run-pass
+// Test that region inference correctly links up the regions when a
+// `ref` borrow occurs inside a fn argument.
+
+// pretty-expanded FIXME #23616
+
+#![allow(dead_code)]
+
+fn with<'a, F>(_: F) where F: FnOnce(&'a Vec<isize>) -> &'a Vec<isize> { }
+
+fn foo() {
+    with(|&ref ints| ints);
+}
+
+fn main() { }