Don't write to an arbitrary address before crashing in blink's CRASH macro

third_party/WebKit/Source/wtf/Assertions.h

 /*
  * Copyright (C) 2003, 2006, 2007 Apple Inc.  All rights reserved.
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 138 matching lines @@
 #endif
 #endif
 
 // CRASH() - Raises a fatal error resulting in program termination and
 // triggering either the debugger or the crash reporter.
 //
 // Use CRASH() in response to known, unrecoverable errors like out-of-memory.
 // Macro is enabled in both debug and release mode.
 // To test for unknown errors and verify assumptions, use ASSERT instead, to
 // avoid impacting performance in release builds.
-//
-// Signals are ignored by the crash reporter on OS X so we must do better.
 #ifndef CRASH
 #if COMPILER(MSVC)
 #define CRASH() (__debugbreak(), IMMEDIATE_CRASH())
 #else
-#define CRASH() \
-    (WTFReportBacktrace(), (*(int*)0xfbadbeef = 0), IMMEDIATE_CRASH())
+#define CRASH() (WTFReportBacktrace(), IMMEDIATE_CRASH())
 #endif
 #endif
 
 #if COMPILER(CLANG)
 #define NO_RETURN_DUE_TO_CRASH NO_RETURN
 #else
 #define NO_RETURN_DUE_TO_CRASH
 #endif
 
 // ASSERT, ASSERT_NOT_REACHED, ASSERT_UNUSED
@@ skipping 125 matching lines @@
 } \
 inline const thisType& to##thisType(const argumentType& argumentName) \
 { \
     ASSERT_WITH_SECURITY_IMPLICATION(referencePredicate); \
     return static_cast<const thisType&>(argumentName); \
 } \
 void to##thisType(const thisType*); \
 void to##thisType(const thisType&)
 
 #endif // WTF_Assertions_h