From 6a2646168334d55582a380860aaa6e61270e6f45 Mon Sep 17 00:00:00 2001
From: Dan Balasescu <smoogipoo@smgi.me>
Date: Tue, 21 Jun 2022 12:05:28 +0900
Subject: [PATCH] Compare by reference in ControlPoint.Equals()

---
 osu.Game/Beatmaps/ControlPoints/ControlPoint.cs | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/osu.Game/Beatmaps/ControlPoints/ControlPoint.cs b/osu.Game/Beatmaps/ControlPoints/ControlPoint.cs
index b91d609849..56a432aec4 100644
--- a/osu.Game/Beatmaps/ControlPoints/ControlPoint.cs
+++ b/osu.Game/Beatmaps/ControlPoints/ControlPoint.cs
@@ -52,8 +52,12 @@ namespace osu.Game.Beatmaps.ControlPoints
                && Equals(otherControlPoint);
 
         public virtual bool Equals(ControlPoint? other)
-            => other != null
-               && Time == other.Time;
+        {
+            if (ReferenceEquals(other, null)) return false;
+            if (ReferenceEquals(other, this)) return true;
+
+            return Time == other.Time;
+        }
 
         // ReSharper disable once NonReadonlyMemberInGetHashCode
         public override int GetHashCode() => Time.GetHashCode();