Update from https://crrev.com/329939

tools/clang/plugins/tests/virtual_specifiers.cpp

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 //
 // Tests for chromium style checks for virtual/override/final specifiers on
 // virtual methods.
 
+// Note: This is not actual windows.h but the stub file in system/windows.h
 #include <windows.h>
 
 // Purposely use macros to test that the FixIt hints don't try to remove the
 // macro body.
 #define OVERRIDE override
 #define FINAL final
 
 // Base class can only use virtual.
 class Base {
  public:
@@ skipping 91 matching lines @@
  public:
   virtual ~MyTest();
   virtual void SetUp() override;
 };
 
 class MyNotTest : public testing::NotTest {
  public:
   virtual ~MyNotTest();
   virtual void SetUp() override;
 };
+
+class MacroBase {
+ public:
+  virtual void AddRef() = 0;
+  virtual void Virtual() {}
+};
+
+class Sub : public MacroBase {
+  // Shouldn't warn.
+  END_COM_MAP()
+  SYSTEM_REDUNDANT1;
+  SYSTEM_REDUNDANT2;
+};