From 66a6cceaf40cbadc6f3f86960ccd8fe9d68ac15b Mon Sep 17 00:00:00 2001
From: Christian Kandeler <christian.kandeler@qt.io>
Date: Thu, 10 Aug 2023 15:23:17 +0200
Subject: [PATCH] CppEditor: Fix possible null pointer access

Fixes: QTCREATORBUG-29484
Change-Id: I047ea13e6808902a3b0fb94b9eacdd48e411a22a
Reviewed-by: David Schulz <david.schulz@qt.io>
---
 src/plugins/cppeditor/cpprefactoringchanges.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/plugins/cppeditor/cpprefactoringchanges.cpp b/src/plugins/cppeditor/cpprefactoringchanges.cpp
index bb34174d06a..f27c0ce83c4 100644
--- a/src/plugins/cppeditor/cpprefactoringchanges.cpp
+++ b/src/plugins/cppeditor/cpprefactoringchanges.cpp
@@ -124,6 +124,9 @@ bool CppRefactoringFile::isCursorOn(unsigned tokenIndex) const
 
 bool CppRefactoringFile::isCursorOn(const AST *ast) const
 {
+    if (!ast)
+        return false;
+
     QTextCursor tc = cursor();
     int cursorBegin = tc.selectionStart();