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diff --git a/compilerplugins/clang/test/unnecessaryoverride-dtor.hxx b/compilerplugins/clang/test/unnecessaryoverride-dtor.hxx
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+++ b/compilerplugins/clang/test/unnecessaryoverride-dtor.hxx
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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#ifndef INCLUDED_COMPILERPLUGINS_CLANG_TEST_UNNECESSARYOVERRIDE_DTOR_HXX
+#define INCLUDED_COMPILERPLUGINS_CLANG_TEST_UNNECESSARYOVERRIDE_DTOR_HXX
+
+#include <sal/config.h>
+
+#include <rtl/ref.hxx>
+
+struct VirtualBase {
+    virtual ~VirtualBase() {}
+};
+
+struct IncludedDerived1: VirtualBase {
+    ~IncludedDerived1() override {}; // expected-error {{unnecessary user-declared destructor [loplugin:unnecessaryoverride]}}
+};
+
+struct IncludedDerived2: VirtualBase {
+    ~IncludedDerived2() override;
+};
+
+struct IncludedNotDerived {
+    ~IncludedNotDerived();
+};
+
+struct Incomplete;
+struct IncludedDerived3: VirtualBase {
+    IncludedDerived3();
+    ~IncludedDerived3() override;
+
+private:
+    IncludedDerived3(IncludedDerived3 &) = delete;
+    void operator =(IncludedDerived3) = delete;
+
+    rtl::Reference<Incomplete> m;
+};
+
+struct MarkedInlineButNotDefined {
+    inline ~MarkedInlineButNotDefined();
+};
+
+template<typename T> struct TemplateBase: T {
+    virtual ~TemplateBase() {}
+};
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */