From 440bfbfd904b1401814836456a072b47473c0261 Mon Sep 17 00:00:00 2001
From: Thomas Hartmann <thomas.hartmann@qt.io>
Date: Mon, 13 Feb 2023 14:00:52 +0100
Subject: [PATCH] QmlDesigner: Fix crash

Change-Id: Ic36fb5b01607bec9023ce61c6b8cdf5eae952b7f
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
Reviewed-by: <github-actions-qt-creator@cristianadam.eu>
Reviewed-by: Thomas Hartmann <thomas.hartmann@qt.io>
---
 src/plugins/qmldesigner/components/toolbar/toolbarbackend.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/plugins/qmldesigner/components/toolbar/toolbarbackend.cpp b/src/plugins/qmldesigner/components/toolbar/toolbarbackend.cpp
index 917a4f96dcd..d59c5218793 100644
--- a/src/plugins/qmldesigner/components/toolbar/toolbarbackend.cpp
+++ b/src/plugins/qmldesigner/components/toolbar/toolbarbackend.cpp
@@ -455,6 +455,9 @@ int ToolBarBackend::currentKit() const
 
 bool ToolBarBackend::isQt6() const
 {
+    if (!ProjectExplorer::SessionManager::startupTarget())
+        return false;
+
     const QmlProjectManager::QmlBuildSystem *buildSystem = qobject_cast<QmlProjectManager::QmlBuildSystem *>(
         ProjectExplorer::SessionManager::startupTarget()->buildSystem());
     QTC_ASSERT(buildSystem, return false);