Use constant types to represent the fixed right arg of a MOD.

src/hydrogen.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 1333 matching lines @@
   bool MatchRotateRight(HValue* left,
                         HValue* right,
                         HValue** operand,
                         HValue** shift_amount);
 
   HValue* BuildBinaryOperation(Token::Value op,
                                HValue* left,
                                HValue* right,
                                Handle<Type> left_type,
                                Handle<Type> right_type,
-                               Handle<Type> result_type,
-                               Maybe<int> fixed_right_arg);
+                               Handle<Type> result_type);
 
   HLoadNamedField* AddLoadFixedArrayLength(HValue *object);
 
   HValue* AddLoadJSBuiltin(Builtins::JavaScript builtin);
 
   HValue* EnforceNumberType(HValue* number, Handle<Type> expected);
   HValue* TruncateToNumber(HValue* value, Handle<Type>* expected);
 
   void FinishExitWithHardDeoptimization(const char* reason,
                                         HBasicBlock* continuation);
@@ skipping 1264 matching lines @@
   }
 
  private:
   HGraphBuilder* builder_;
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_HYDROGEN_H_