Unify kMaxArguments with number of bits used to encode it.

src/parser.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 430 matching lines @@
   FunctionLiteral* ParseLazy();
 
   void ReportMessageAt(Scanner::Location loc,
                        const char* message,
                        Vector<const char*> args);
   void ReportMessageAt(Scanner::Location loc,
                        const char* message,
                        Vector<Handle<String> > args);
 
  private:
-  // Limit on number of function parameters is chosen arbitrarily.
-  // Code::Flags uses only the low 17 bits of num-parameters to
-  // construct a hashable id, so if more than 2^17 are allowed, this
-  // should be checked.
-  static const int kMaxNumFunctionParameters = 32766;
   static const int kMaxNumFunctionLocals = 131071;  // 2^17-1
 
   enum Mode {
     PARSE_LAZILY,
     PARSE_EAGERLY
   };
 
   enum VariableDeclarationContext {
     kModuleElement,
     kBlockElement,
@@ skipping 411 matching lines @@
  private:
   static const int kTypeSlot = 0;
   static const int kElementsSlot = 1;
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(CompileTimeValue);
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_PARSER_H_