|  | // Copyright (c) 2011 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. | 
|  |  | 
|  | #ifndef BASE_DEBUG_ALIAS_H_ | 
|  | #define BASE_DEBUG_ALIAS_H_ | 
|  |  | 
|  | #include "base/base_export.h" | 
|  |  | 
|  | namespace base { | 
|  | namespace debug { | 
|  |  | 
|  | // Make the optimizer think that var is aliased. This is to prevent it from | 
|  | // optimizing out variables that that would not otherwise be live at the point | 
|  | // of a potential crash. | 
|  | void BASE_EXPORT Alias(const void* var); | 
|  |  | 
|  | }  // namespace debug | 
|  | }  // namespace base | 
|  |  | 
|  | #endif  // BASE_DEBUG_ALIAS_H_ |