Speculate on bitwise operators.

runtime/vm/token.h

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #ifndef RUNTIME_VM_TOKEN_H_
 #define RUNTIME_VM_TOKEN_H_
 
 #include "platform/assert.h"
 #include "vm/allocation.h"
 
@@ skipping 283 matching lines @@
             (tok == Token::kERROR) ||
             (tok == Token::kDOUBLE));
   }
 
   static bool IsBinaryOperator(Token::Kind token);
   static bool IsUnaryOperator(Token::Kind token);
 
   static bool IsBinaryArithmeticOperator(Token::Kind token);
   static bool IsUnaryArithmeticOperator(Token::Kind token);
 
+  static bool IsBinaryBitwiseOperator(Token::Kind token);
+
   // For a comparison operation return an operation for the negated comparison:
   // !(a (op) b) === a (op') b
   static Token::Kind NegateComparison(Token::Kind op) {
     switch (op) {
       case Token::kEQ: return Token::kNE;
       case Token::kNE: return Token::kEQ;
       case Token::kLT: return Token::kGTE;
       case Token::kGT: return Token::kLTE;
       case Token::kLTE: return Token::kGT;
       case Token::kGTE: return Token::kLT;
@@ skipping 10 matching lines @@
  private:
   static const char* name_[];
   static const char* tok_str_[];
   static const uint8_t precedence_[];
   static const Attribute attributes_[];
 };
 
 }  // namespace dart
 
 #endif  // RUNTIME_VM_TOKEN_H_