From e47832d4830b12e31108425a5ae3f798336efc0a Mon Sep 17 00:00:00 2001
From: Christian Kandeler <christian.kandeler@qt.io>
Date: Fri, 27 Sep 2024 13:28:33 +0200
Subject: [PATCH] QtSupport: Fix leak of ExampleItems

Change-Id: Iee9b645a795ba29f8cc3ac4728e7814da27c4f8b
Reviewed-by: Eike Ziller <eike.ziller@qt.io>
---
 src/plugins/qtsupport/exampleslistmodel.cpp | 18 ++++++++++++++----
 1 file changed, 14 insertions(+), 4 deletions(-)

diff --git a/src/plugins/qtsupport/exampleslistmodel.cpp b/src/plugins/qtsupport/exampleslistmodel.cpp
index c9163c62fc6..a599206493a 100644
--- a/src/plugins/qtsupport/exampleslistmodel.cpp
+++ b/src/plugins/qtsupport/exampleslistmodel.cpp
@@ -427,16 +427,26 @@ void ExamplesViewController::updateExamples()
         if (categoryOrder.isEmpty())
             categoryOrder = result->categoryOrder;
     }
-    items = filtered(items, isValidExampleOrDemo(instructionalsModules));
+
+    static const auto filteredItems = [](const QList<ExampleItem *> &items,
+                                         const std::function<bool(ExampleItem *)> &filter) {
+        QList<ExampleItem *> matching;
+        QList<ExampleItem *> nonMatching;
+        std::tie(matching, nonMatching) = Utils::partition(items, filter);
+        qDeleteAll(nonMatching);
+        return matching;
+    };
+    items = filteredItems(items, isValidExampleOrDemo(instructionalsModules));
 
     if (m_isExamples) {
         if (m_exampleSetModel->selectedQtSupports(Android::Constants::ANDROID_DEVICE_TYPE)) {
-            items = Utils::filtered(items, [](ExampleItem *item) {
+            items = filteredItems(items, [](ExampleItem *item) {
                 return item->tags.contains("android");
             });
         } else if (m_exampleSetModel->selectedQtSupports(Ios::Constants::IOS_DEVICE_TYPE)) {
-            items = Utils::filtered(items,
-                                    [](ExampleItem *item) { return item->tags.contains("ios"); });
+            items = filteredItems(items, [](ExampleItem *item) {
+                return item->tags.contains("ios");
+            });
         }
     }