From 0566a76b500bd2bbd535e108f657fce1db7f6f75 Mon Sep 17 00:00:00 2001
From: Ashley Nelson <nashley@google.com>
Date: Thu, 31 Aug 2023 18:34:14 -0700
Subject: [PATCH] Mention unused variables removal in ChangeLog.md (#20176)

Adding a note for #20169
---
 ChangeLog.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/ChangeLog.md b/ChangeLog.md
index c94e5f8738ac..1d5e209f7c19 100644
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -44,6 +44,7 @@ See docs/process.md for more on how version tagging works.
 - A new settings `TABLE_BASE` was introduced that can be used to place static
   function addresses (table slots) at a certain offset.  This defaults to 1
   which is the previously fixed value. (#20149)
+- Clang's error detection of unused variables `-Wunused-variable` improved, which may require changes in user code (see #20169).
 
 3.1.45 - 08/23/23
 -----------------