1 files changed, 14 insertions, 0 deletions

diff --git a/tests/ui/issues/auxiliary/issue-2631-a.rs b/tests/ui/issues/auxiliary/issue-2631-a.rs
new file mode 100644
index 000000000..1e8211bfa
--- /dev/null
+++ b/tests/ui/issues/auxiliary/issue-2631-a.rs
@@ -0,0 +1,14 @@
+#![crate_name="req"]
+#![crate_type = "lib"]
+
+use std::cell::RefCell;
+use std::collections::HashMap;
+use std::rc::Rc;
+
+pub type header_map = HashMap<String, Rc<RefCell<Vec<Rc<String>>>>>;
+
+// the unused ty param is necessary so this gets monomorphized
+pub fn request<T>(req: &header_map) {
+  let data = req[&"METHOD".to_string()].clone();
+  let _x = data.borrow().clone()[0].clone();
+}