[turbofan] Lower mapped arguments objects in inline frame.

src/compiler/access-builder.h

Index: src/compiler/access-builder.h
diff --git a/src/compiler/access-builder.h b/src/compiler/access-builder.h
index 0e9f53b50a25035d8c29016136b8fdff6cca829b..205e3b67686ff984efe606c0f6fb8e17979f33d8 100644
--- a/src/compiler/access-builder.h
+++ b/src/compiler/access-builder.h
@@ -67,8 +67,9 @@ class AccessBuilder final : public AllStatic {
   // Provides access to JSValue::value() field.
   static FieldAccess ForValue();
 
-  // Provides access to arguments objects fields.
+  // Provides access to arguments object fields.
   static FieldAccess ForArgumentsLength();
+  static FieldAccess ForArgumentsCallee();
 
   // Provides access to FixedArray slots.
   static FieldAccess ForFixedArraySlot(size_t index);