From 9c738711bcc8d1a1da198b63acc1fca6eede9a0c Mon Sep 17 00:00:00 2001
From: Cameron McCormack <cam@mcc.id.au>
Date: Mon, 9 Oct 2017 16:57:49 +0800
Subject: [PATCH] servo_arc: Make Arc do a pointer equality check in eq and ne
 first.

---
 components/servo_arc/lib.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/components/servo_arc/lib.rs b/components/servo_arc/lib.rs
index 49a04dea1fc..7d17c26cd51 100644
--- a/components/servo_arc/lib.rs
+++ b/components/servo_arc/lib.rs
@@ -389,11 +389,11 @@ impl<T: ?Sized> Drop for Arc<T> {
 
 impl<T: ?Sized + PartialEq> PartialEq for Arc<T> {
     fn eq(&self, other: &Arc<T>) -> bool {
-        *(*self) == *(*other)
+        Self::ptr_eq(self, other) || *(*self) == *(*other)
     }
 
     fn ne(&self, other: &Arc<T>) -> bool {
-        *(*self) != *(*other)
+        !Self::ptr_eq(self, other) && *(*self) != *(*other)
     }
 }
 impl<T: ?Sized + PartialOrd> PartialOrd for Arc<T> {