diff --git a/llvm/lib/Object/Error.cpp b/llvm/lib/Object/Error.cpp
index d2daab7..1c8dad8 100644
--- a/llvm/lib/Object/Error.cpp
+++ b/llvm/lib/Object/Error.cpp
@@ -44,6 +44,8 @@
     return "The end of the file was unexpectedly encountered";
   case object_error::bitcode_section_not_found:
     return "Bitcode section not found in object file";
+  case object_error::macho_small_load_command:
+    return "Mach-O load command with size < 8 bytes";
   }
   llvm_unreachable("An enumerator of object_error does not have a message "
                    "defined.");