Allow building V8 with both DEBUG and NDEBUG defined at ...

src/v8.h

 // Copyright 2006-2008 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 14 matching lines @@
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 //
 // Top include for all V8 .cc files.
 //
 
 #ifndef V8_V8_H_
 #define V8_V8_H_
 
-#if defined(GOOGLE3)
-// Google3 special flag handling.
 #if defined(DEBUG) && defined(NDEBUG)
-// If both are defined in Google3, then we are building an optimized v8 with
+// If both are defined then we are building an optimized v8 with
 // assertions enabled.
 #undef NDEBUG
 #elif !defined(DEBUG) && !defined(NDEBUG)
-// If neither is defined in Google3, then we are building a debug v8. Mark it
-// as such.
+// If neither is defined then we default to building a debug v8. Mark
+// it as such.
 #define DEBUG
 #endif
-#endif  // defined(GOOGLE3)
 
 // V8 only uses DEBUG, but included external files
 // may use NDEBUG - make sure they are consistent.
 #if defined(DEBUG) && defined(NDEBUG)
 #error both DEBUG and NDEBUG are set
 #endif
 
 // Basic includes
 #include "../include/v8.h"
 #include "globals.h"
@@ skipping 53 matching lines @@
   // True if engine has been shut down
   // (reset if engine is restarted)
   static bool has_been_disposed_;
 };
 
 } }  // namespace v8::internal
 
 namespace i = v8::internal;
 
 #endif  // V8_V8_H_