From fe56157e0ffdb7a5d62d245343b3e70303e29aea Mon Sep 17 00:00:00 2001
From: Peter Ullrich <PJUllrich@users.noreply.github.com>
Date: Sat, 2 May 2026 13:33:03 +0200
Subject: [PATCH] Stop iterating over list when slice range ends

---
 lib/elixir/lib/access.ex | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/lib/elixir/lib/access.ex b/lib/elixir/lib/access.ex
index 0aca88af757..3b63d4c196c 100644
--- a/lib/elixir/lib/access.ex
+++ b/lib/elixir/lib/access.ex
@@ -1091,6 +1091,11 @@ defmodule Access do
 
   defp normalize_range(range, _list), do: range
 
+  defp get_and_update_slice(rest, %Range{last: last}, _next, updates, gets, index)
+       when index > last do
+    {:lists.reverse(gets), :lists.reverse(updates, rest)}
+  end
+
   defp get_and_update_slice([head | rest], range, next, updates, gets, index) do
     if index in range do
       case next.(head) do