[turbofan] Lower mapped arguments objects in inline frame.

src/compiler/access-builder.cc

Index: src/compiler/access-builder.cc
diff --git a/src/compiler/access-builder.cc b/src/compiler/access-builder.cc
index 76e8b0688e644f843c4d181c1daed944b826bd3a..677ce5af786ec403bb82b805a5c2b20a80e0d524 100644
--- a/src/compiler/access-builder.cc
+++ b/src/compiler/access-builder.cc
@@ -157,6 +157,16 @@ FieldAccess AccessBuilder::ForArgumentsLength() {
 
 
 // static
+FieldAccess AccessBuilder::ForArgumentsCallee() {
+  int offset =
+      JSObject::kHeaderSize + Heap::kArgumentsCalleeIndex * kPointerSize;
+  FieldAccess access = {kTaggedBase, offset, Handle<Name>(), Type::Any(),
+                        kMachAnyTagged};
+  return access;
+}
+
+
+// static
 FieldAccess AccessBuilder::ForFixedArraySlot(size_t index) {
   int offset = FixedArray::OffsetOfElementAt(static_cast<int>(index));
   FieldAccess access = {kTaggedBase, offset, Handle<Name>(), Type::Any(),