ES6: Add support for explicit octal and binary integer literals

src/char-predicates.h

Index: src/char-predicates.h
diff --git a/src/char-predicates.h b/src/char-predicates.h
index b97191f5ccb719a2591c144238dc4f8f77849a01..767ad6513afa7e3d5995a31a1df22372bf7a9484 100644
--- a/src/char-predicates.h
+++ b/src/char-predicates.h
@@ -40,6 +40,8 @@ inline bool IsCarriageReturn(uc32 c);
 inline bool IsLineFeed(uc32 c);
 inline bool IsDecimalDigit(uc32 c);
 inline bool IsHexDigit(uc32 c);
+inline bool IsOctalDigit(uc32 c);
+inline bool IsBinaryDigit(uc32 c);
 inline bool IsRegExpWord(uc32 c);
 inline bool IsRegExpNewline(uc32 c);