Avoiding repacking payload for v8::Arguments and v8::AccessorInfo (arm).

src/apiutils.h

Index: src/apiutils.h
===================================================================
--- src/apiutils.h	(revision 5856)
+++ src/apiutils.h	(working copy)
@@ -58,6 +58,9 @@
   static v8::Arguments NewArguments(internal::Object** implicit_args,
                                     internal::Object** argv, int argc,
                                     bool is_construct_call) {
+    ASSERT(implicit_args[v8::Arguments::kCalleeIndex]->IsJSFunction());
+    ASSERT(implicit_args[v8::Arguments::kHolderIndex]->IsHeapObject());
+
     return v8::Arguments(implicit_args, argv, argc, is_construct_call);
   }