Changed all log messages to be handled through the LogMessageBuilder instead ...

src/runtime.cc

 // 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 6017 matching lines @@
   }
   RUNTIME_FUNCTION_LIST(ADD_ENTRY)
 #undef ADD_ENTRY
   return *result;
 }
 #endif
 
 
 static Object* Runtime_Log(Arguments args) {
   ASSERT(args.length() == 2);
-  String* format = String::cast(args[0]);
+  CONVERT_CHECKED(String, format, args[0]);
+  CONVERT_CHECKED(JSArray, elms, args[1]);
   Vector<const char> chars = format->ToAsciiVector();
-  JSArray* elms = JSArray::cast(args[1]);
   Logger::LogRuntime(chars, elms);
   return Heap::undefined_value();
 }
 
 
 static Object* Runtime_IS_VAR(Arguments args) {
   UNREACHABLE();  // implemented as macro in the parser
   return NULL;
 }
 
@@ skipping 38 matching lines @@
   } else {
     // Handle last resort GC and make sure to allow future allocations
     // to grow the heap without causing GCs (if possible).
     Counters::gc_last_resort_from_js.Increment();
     Heap::CollectAllGarbage();
   }
 }
 
 
 } }  // namespace v8::internal