1. Added support for object printing for release mode using the...

src/v8utils.h

Index: src/v8utils.h
===================================================================
--- src/v8utils.h	(revision 6066)
+++ src/v8utils.h	(working copy)
@@ -42,18 +42,22 @@
 // so it works on MacOSX.
 #if defined(__MACH__) && defined(__APPLE__)
 #define PRINTF_CHECKING
+#define FPRINTF_CHECKING
 #else  // MacOsX.
 #define PRINTF_CHECKING __attribute__ ((format (printf, 1, 2)))
+#define FPRINTF_CHECKING __attribute__ ((format (printf, 2, 3)))
 #endif
 #else
 #define PRINTF_CHECKING
+#define FPRINTF_CHECKING
 #endif
 
 // Our version of printf().
 void PRINTF_CHECKING PrintF(const char* format, ...);
+void FPRINTF_CHECKING PrintF(FILE* out, const char* format, ...);
 
 // Our version of fflush.
-void Flush();
+void Flush(FILE* out = stdout);
 
 
 // Read a line of characters after printing the prompt to stdout. The resulting