- Remove support for ">>>" operator.

vm/token.h

Index: vm/token.h
===================================================================
--- vm/token.h	(revision 3276)
+++ vm/token.h	(working copy)
@@ -54,8 +54,7 @@
   TOK(kASSIGN_XOR, "^=", 2, kNoAttribute)                                      \
   TOK(kASSIGN_AND, "&=", 2, kNoAttribute)                                      \
   TOK(kASSIGN_SHL, "<<=", 2, kNoAttribute)                                     \
-  TOK(kASSIGN_SAR, ">>=", 2, kNoAttribute)                                     \
-  TOK(kASSIGN_SHR, ">>>=", 2, kNoAttribute)                                    \
+  TOK(kASSIGN_SHR, ">>=", 2, kNoAttribute)                                     \
   TOK(kASSIGN_ADD, "+=", 2, kNoAttribute)                                      \
   TOK(kASSIGN_SUB, "-=", 2, kNoAttribute)                                      \
   TOK(kASSIGN_MUL, "*=", 2, kNoAttribute)                                      \
@@ -73,8 +72,7 @@
                                                                                \
   /* Shift operators. */                                                       \
   TOK(kSHL, "<<", 11, kNoAttribute)                                            \
-  TOK(kSAR, ">>", 11, kNoAttribute)                                            \
-  TOK(kSHR, ">>>", 11, kNoAttribute)                                           \
+  TOK(kSHR, ">>", 11, kNoAttribute)                                            \
                                                                                \
   /* Additive operators. */                                                    \
   TOK(kADD, "+", 12, kNoAttribute)                                             \
@@ -241,12 +239,11 @@
     ASSERT(tok < kNumTokens);
     return IsRelationalOperator(tok) ||
            (tok == kEQ) ||
-           (tok >= kADD && tok <= kMOD) ||
-           (tok >= kBIT_OR && tok <= kSHR) ||
+           (tok >= kADD && tok <= kMOD) ||  // Arithmetic operations.
+           (tok >= kBIT_OR && tok <= kSHR) ||  // Bit operations.
            (tok == kINDEX) ||
            (tok == kASSIGN_INDEX) ||
-           (tok == kNEGATE) ||
-           (tok >= kBIT_OR && tok <= kBIT_NOT);
+           (tok == kNEGATE);
   }
 
  private: