From 38d16ccacc761ce31477f2ad3efc87ea53bfab06 Mon Sep 17 00:00:00 2001
From: Oliver Schneider <git-spam-no-reply9815368754983@oli-obk.de>
Date: Wed, 15 Feb 2017 16:38:27 +0100
Subject: [PATCH] add test with an Rc cycle to create a memleak

---
 tests/compile-fail/memleak_rc.rs | 12 ++++++++++++
 1 file changed, 12 insertions(+)
 create mode 100644 tests/compile-fail/memleak_rc.rs

diff --git a/tests/compile-fail/memleak_rc.rs b/tests/compile-fail/memleak_rc.rs
new file mode 100644
index 000000000000..b2bc6722afb0
--- /dev/null
+++ b/tests/compile-fail/memleak_rc.rs
@@ -0,0 +1,12 @@
+//error-pattern: the evaluated program leaked memory
+
+use std::rc::Rc;
+use std::cell::RefCell;
+
+struct Dummy(Rc<RefCell<Option<Dummy>>>);
+
+fn main() {
+    let x = Dummy(Rc::new(RefCell::new(None)));
+    let y = Dummy(x.0.clone());
+    *x.0.borrow_mut() = Some(y);
+}