From b6a996a8d5c9246ca41b15aaba7c527df2872513 Mon Sep 17 00:00:00 2001
From: Jarek Kobus <jaroslaw.kobus@qt.io>
Date: Mon, 6 Dec 2021 15:42:25 +0100
Subject: DiffEditor: Assert that we are operating on non-null documents

Task-number: QTCREATORBUG-26594
Change-Id: I4331c457a6360682229dbbbfd8ac3d50b44b8ead
Reviewed-by: <github-actions-qt-creator@cristianadam.eu>
Reviewed-by: Christian Stenger <christian.stenger@qt.io>
---
 src/plugins/diffeditor/diffeditorplugin.cpp | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'src/plugins/diffeditor/diffeditorplugin.cpp')

diff --git a/src/plugins/diffeditor/diffeditorplugin.cpp b/src/plugins/diffeditor/diffeditorplugin.cpp
index 624de7002b..69863f9120 100644
--- a/src/plugins/diffeditor/diffeditorplugin.cpp
+++ b/src/plugins/diffeditor/diffeditorplugin.cpp
@@ -254,6 +254,7 @@ QList<ReloadInput> DiffOpenFilesController::reloadInputList() const
     const QList<IDocument *> openedDocuments = DocumentModel::openedDocuments();
 
     for (IDocument *doc : openedDocuments) {
+        QTC_ASSERT(doc, continue);
         auto textDocument = qobject_cast<TextEditor::TextDocument *>(doc);
 
         if (textDocument && textDocument->isModified()) {
@@ -518,6 +519,7 @@ void DiffEditorPluginPrivate::updateDiffCurrentFileAction()
 void DiffEditorPluginPrivate::updateDiffOpenFilesAction()
 {
     const bool enabled = Utils::anyOf(DocumentModel::openedDocuments(), [](IDocument *doc) {
+            QTC_ASSERT(doc, return false);
             return doc->isModified() && qobject_cast<TextEditor::TextDocument *>(doc);
         });
     m_diffOpenFilesAction->setEnabled(enabled);
-- 
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