From 29e9de85d6ae185d7d66c7ba0f2c418082d2df5f Mon Sep 17 00:00:00 2001
From: Stjepan Glavina <stjepang@gmail.com>
Date: Mon, 23 Apr 2018 20:34:49 +0200
Subject: [PATCH] Assign the tracking issue

---
 src/libcore/cell.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/libcore/cell.rs b/src/libcore/cell.rs
index 64dbcbf7ae43..1ff187ed3f10 100644
--- a/src/libcore/cell.rs
+++ b/src/libcore/cell.rs
@@ -273,7 +273,7 @@ impl<T:Copy> Cell<T> {
     /// assert_eq!(c.get(), 6);
     /// ```
     #[inline]
-    #[unstable(feature = "cell_update", issue = "0")] // FIXME: issue
+    #[unstable(feature = "cell_update", issue = "50186")]
     pub fn update<F>(&self, f: F) -> T
     where
         F: FnOnce(T) -> T,