Revert "[Arguments] Merge (7442,7496] from bleeding_edge."

src/frames.cc

 // Copyright 2006-2008 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 599 matching lines @@
 
 Object* JavaScriptFrame::GetParameter(int index) const {
   ASSERT(index >= 0 && index < ComputeParametersCount());
   const int offset = JavaScriptFrameConstants::kParam0Offset;
   return Memory::Object_at(caller_sp() + offset - (index * kPointerSize));
 }
 
 
 int JavaScriptFrame::ComputeParametersCount() const {
   Address base  = caller_sp() + JavaScriptFrameConstants::kReceiverOffset;
-  Address limit = fp() + JavaScriptFrameConstants::kLastParameterOffset;
+  Address limit = fp() + JavaScriptFrameConstants::kSavedRegistersOffset;
   return static_cast<int>((base - limit) / kPointerSize);
 }
 
 
 bool JavaScriptFrame::IsConstructor() const {
   Address fp = caller_fp();
   if (has_adapted_arguments()) {
     // Skip the arguments adaptor frame and look at the real caller.
     fp = Memory::Address_at(fp + StandardFrameConstants::kCallerFPOffset);
   }
@@ skipping 446 matching lines @@
 
 void JavaScriptFrame::Iterate(ObjectVisitor* v) const {
   IterateExpressions(v);
   IteratePc(v, pc_address(), LookupCode(Isolate::Current()));
   IterateArguments(v);
 }
 
 
 void JavaScriptFrame::IterateArguments(ObjectVisitor* v) const {
   // Traverse callee-saved registers, receiver, and parameters.
-  const int kBaseOffset = JavaScriptFrameConstants::kLastParameterOffset;
+  const int kBaseOffset = JavaScriptFrameConstants::kSavedRegistersOffset;
   const int kLimitOffset = JavaScriptFrameConstants::kReceiverOffset;
   Object** base = &Memory::Object_at(fp() + kBaseOffset);
   Object** limit = &Memory::Object_at(caller_sp() + kLimitOffset) + 1;
   v->VisitPointers(base, limit);
 }
 
 
 void InternalFrame::Iterate(ObjectVisitor* v) const {
   // Internal frames only have object pointers on the expression stack
   // as they never have any arguments.
@@ skipping 135 matching lines @@
   ZoneList<StackFrame*> list(10);
   for (StackFrameIterator it; !it.done(); it.Advance()) {
     StackFrame* frame = AllocateFrameCopy(it.frame());
     list.Add(frame);
   }
   return list.ToVector();
 }
 
 
 } }  // namespace v8::internal