From 33f22d821fd130c97061446b375c27f2a8ae439c Mon Sep 17 00:00:00 2001
From: Volker Hilsheimer <volker.hilsheimer@qt.io>
Date: Thu, 20 Jul 2023 02:35:53 +0200
Subject: [PATCH] QIconLoader: clear cache when the key becomes invalid

Change-Id: I6f2745715b902ccbc87d78b1c90f6883cfdd76ae
Reviewed-by: Axel Spoerl <axel.spoerl@qt.io>
(cherry picked from commit e2f0495e7efffefe927e43b26fa3a3a610aa003f)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>
---
 src/gui/image/qiconloader.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/gui/image/qiconloader.cpp b/src/gui/image/qiconloader.cpp
index 5f6ce0bbc7d..d8a0878cc3d 100644
--- a/src/gui/image/qiconloader.cpp
+++ b/src/gui/image/qiconloader.cpp
@@ -135,8 +135,9 @@ void QIconLoader::invalidateKey()
 {
     // Invalidating the key here will result in QThemeIconEngine
     // recreating the actual engine the next time the icon is used.
-    // We don't need to clear the QIcon cache itself.
     m_themeKey++;
+    // Since the key has changed, we need to clear the cache as well.
+    QIconPrivate::clearIconCache();
 }
 
 QString QIconLoader::themeName() const