NewGC: Merge bleeding edge up to 9009.

src/token.h

Index: src/token.h
===================================================================
--- src/token.h	(revision 9006)
+++ src/token.h	(working copy)
@@ -41,7 +41,6 @@
 //
 //   T: Non-keyword tokens
 //   K: Keyword tokens
-//   F: Future (reserved) keyword tokens
 
 // IGNORE_TOKEN is a convenience macro that can be supplied as
 // an argument (at any position) for a TOKEN_LIST call. It does
@@ -49,7 +48,7 @@
 
 #define IGNORE_TOKEN(name, string, precedence)
 
-#define TOKEN_LIST(T, K, F)                                             \
+#define TOKEN_LIST(T, K)                                                \
   /* End of source indicator. */                                        \
   T(EOS, "EOS", 0)                                                      \
                                                                         \
@@ -169,6 +168,7 @@
   T(FUTURE_RESERVED_WORD, NULL, 0)                                      \
   T(FUTURE_STRICT_RESERVED_WORD, NULL, 0)                               \
   K(CONST, "const", 0)                                                  \
+  K(LET, "let", 0)                                                      \
                                                                         \
   /* Illegal token - not able to scan. */                               \
   T(ILLEGAL, "ILLEGAL", 0)                                              \
@@ -182,7 +182,7 @@
   // All token values.
 #define T(name, string, precedence) name,
   enum Value {
-    TOKEN_LIST(T, T, IGNORE_TOKEN)
+    TOKEN_LIST(T, T)
     NUM_TOKENS
   };
 #undef T