From 08d0582d029475e2b1748b16da832a50bc348c59 Mon Sep 17 00:00:00 2001
From: Jinwoo Kim <kidjinwoo@me.com>
Date: Mon, 29 Dec 2025 01:08:36 +0900
Subject: [PATCH] Optimize overflow for Collection.partitionPoint

---
 Sources/OpenSwiftUICore/Data/Util/ConcatenatedCollection.swift | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Sources/OpenSwiftUICore/Data/Util/ConcatenatedCollection.swift b/Sources/OpenSwiftUICore/Data/Util/ConcatenatedCollection.swift
index e35e30ff0..5cea6afb0 100644
--- a/Sources/OpenSwiftUICore/Data/Util/ConcatenatedCollection.swift
+++ b/Sources/OpenSwiftUICore/Data/Util/ConcatenatedCollection.swift
@@ -426,7 +426,7 @@ extension Collection {
                 remaining = half
             } else {
                 low = index(after: mid)
-                remaining = remaining - half - 1
+                remaining &-= (half &+ 1)
             }
         }
         return low