From 2a6b3fd67c2905540de016ae7f18ecf52bc3cc07 Mon Sep 17 00:00:00 2001
From: Dean Herbert <pe@ppy.sh>
Date: Sun, 27 Oct 2019 16:31:23 +0900
Subject: [PATCH] Disallow inserting a group if one already exists with the
 current time value

---
 osu.Game/Beatmaps/ControlPoints/ControlPointInfo.cs | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/osu.Game/Beatmaps/ControlPoints/ControlPointInfo.cs b/osu.Game/Beatmaps/ControlPoints/ControlPointInfo.cs
index 4218f9f66f..d9e92f1264 100644
--- a/osu.Game/Beatmaps/ControlPoints/ControlPointInfo.cs
+++ b/osu.Game/Beatmaps/ControlPoints/ControlPointInfo.cs
@@ -279,9 +279,11 @@ namespace osu.Game.Beatmaps.ControlPoints
             var newGroup = new ControlPointGroup(time);
 
             int i = groups.BinarySearch(newGroup);
-            if (i < 0) i = ~i;
 
-            groups.Insert(i, newGroup);
+            if (i > 0)
+                return groups[i];
+
+            groups.Insert(~i, newGroup);
 
             return newGroup;
         }