From ebb6b5fe6d7423a97a7762fa5fde7cb2d801fd39 Mon Sep 17 00:00:00 2001
From: "Sergey \"Shnatsel\" Davidoff" <sdavydov@google.com>
Date: Sun, 27 Oct 2019 10:58:49 +0100
Subject: [PATCH] Do not perform superfluous bounds checks on drop

---
 crossbeam-epoch/src/internal.rs | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/crossbeam-epoch/src/internal.rs b/crossbeam-epoch/src/internal.rs
index d43e2b766..22038f30d 100644
--- a/crossbeam-epoch/src/internal.rs
+++ b/crossbeam-epoch/src/internal.rs
@@ -133,10 +133,10 @@ impl Default for Bag {
 impl Drop for Bag {
     fn drop(&mut self) {
         // Call all deferred functions.
-        for i in 0..self.len {
+        for deferred in &mut self.deferreds[..self.len] {
             let no_op = Deferred::new(no_op_func);
-            let deferred = mem::replace(&mut self.deferreds[i], no_op);
-            deferred.call();
+            let owned_deferred = mem::replace(deferred, no_op);
+            owned_deferred.call();
         }
     }
 }