Use kRegisterSize when calling C++ runtime

src/x64/lithium-codegen-x64.cc

 // Copyright 2013 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 3044 matching lines @@
 
   Handle<Code> ic = isolate()->builtins()->KeyedLoadIC_Initialize();
   CallCode(ic, RelocInfo::CODE_TARGET, instr);
 }
 
 
 void LCodeGen::DoArgumentsElements(LArgumentsElements* instr) {
   Register result = ToRegister(instr->result());
 
   if (instr->hydrogen()->from_inlined()) {
-    __ lea(result, Operand(rsp, -2 * kPointerSize));
+    __ lea(result, Operand(rsp, -1 * kPCOnStackSize + -1 * kFPOnStackSize));
   } else {
     // Check for arguments adapter frame.
     Label done, adapted;
     __ movq(result, Operand(rbp, StandardFrameConstants::kCallerFPOffset));
     __ Cmp(Operand(result, StandardFrameConstants::kContextOffset),
            Smi::FromInt(StackFrame::ARGUMENTS_ADAPTOR));
     __ j(equal, &adapted, Label::kNear);
 
     // No arguments adaptor frame.
     __ movq(result, rbp);
@@ skipping 2452 matching lines @@
                                FixedArray::kHeaderSize - kPointerSize));
   __ bind(&done);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_X64