Merge remote-tracking branch 'origin/9.0'

Change-Id: I231d35f492713f317773b79478b5f7fb97a4fe50

src/plugins/cppeditor/cppcodemodelsettings.cpp

@@ -253,6 +253,12 @@ bool ClangdSettings::useClangd() const
 
 void ClangdSettings::setUseClangd(bool use) { instance().m_data.useClangd = use; }
 
+void ClangdSettings::setUseClangdAndSave(bool use)
+{
+    setUseClangd(use);
+    instance().saveSettings();
+}
+
 bool ClangdSettings::hardwareFulfillsRequirements()
 {
     instance().m_data.haveCheckedHardwareReqirements = true;