diff --git a/llvm/lib/Object/GOFFObjectFile.cpp b/llvm/lib/Object/GOFFObjectFile.cpp
--- a/llvm/lib/Object/GOFFObjectFile.cpp
+++ b/llvm/lib/Object/GOFFObjectFile.cpp
@@ -327,6 +327,8 @@
       return SymbolRef::ST_Unknown;
     }
   }
+  return createStringError(llvm::errc::invalid_argument,
+                           "Invalid argument provided");
 }
 
 Expected<section_iterator>