diff --git a/llvm/tools/llvm-objcopy/MachO/Object.h b/llvm/tools/llvm-objcopy/MachO/Object.h
index fb57637..1ce4881 100644
--- a/llvm/tools/llvm-objcopy/MachO/Object.h
+++ b/llvm/tools/llvm-objcopy/MachO/Object.h
@@ -74,7 +74,7 @@
   // The raw content of the payload of the load command (located right after the
   // corresponding struct). In some cases it is either empty or can be
   // copied-over without digging into its structure.
-  ArrayRef<uint8_t> Payload;
+  std::vector<uint8_t> Payload; 
 
   // Some load commands can contain (inside the payload) an array of sections,
   // though the contents of the sections are stored separately. The struct
@@ -276,6 +276,7 @@
   Optional<size_t> FunctionStartsCommandIndex;
 
   void removeSections(function_ref<bool(const Section &)> ToRemove);
+  void addLoadCommand(LoadCommand LC);
 };
 
 } // end namespace macho