From cdf1d7dfc94e1bc7b103af3ae466e5271ce00113 Mon Sep 17 00:00:00 2001
From: Thayne McCombs <astrothayne@gmail.com>
Date: Sat, 9 Dec 2017 01:09:23 -0700
Subject: [PATCH] Revert "Make drop impl stable for DrainFilter"

This reverts commit 00acdbd51decd75ad10815ce7bcf3323830f95d6.
---
 src/liballoc/linked_list.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/liballoc/linked_list.rs b/src/liballoc/linked_list.rs
index 1eac56c904d..3ac5a85d721 100644
--- a/src/liballoc/linked_list.rs
+++ b/src/liballoc/linked_list.rs
@@ -1071,7 +1071,7 @@ impl<'a, T, F> Iterator for DrainFilter<'a, T, F>
     }
 }
 
-#[stable(feature = "drain_filter_drop", since = "1.25.0")]
+#[unstable(feature = "drain_filter", reason = "recently added", issue = "43244")]
 impl<'a, T, F> Drop for DrainFilter<'a, T, F>
     where F: FnMut(&mut T) -> bool,
 {