Adding 'static const' for arg numbers used with CallCFunction.

src/x64/codegen-x64.cc

 // Copyright 2010 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 3940 matching lines @@
   __ movq(rbp_as_smi.reg(), rbp);
   frame_->Push(&rbp_as_smi);
 }
 
 
 void CodeGenerator::GenerateRandomPositiveSmi(ZoneList<Expression*>* args) {
   ASSERT(args->length() == 0);
   frame_->SpillAll();
   __ push(rsi);
 
-  int num_arguments = 0;
+  static const int num_arguments = 0;
   __ PrepareCallCFunction(num_arguments);
 
   // Call V8::RandomPositiveSmi().
   __ CallCFunction(ExternalReference::random_positive_smi_function(),
                    num_arguments);
 
   __ pop(rsi);
   Result result = allocator_->Allocate(rax);
   frame_->Push(&result);
 }
@@ skipping 5530 matching lines @@
   // Call the function from C++.
   return FUNCTION_CAST<ModuloFunction>(buffer);
 }
 
 #endif
 
 
 #undef __
 
 } }  // namespace v8::internal