diff --git a/lib/Object/Binary.cpp b/lib/Object/Binary.cpp
index 177c86c5465..fd9d3b4bd75 100644
--- a/lib/Object/Binary.cpp
+++ b/lib/Object/Binary.cpp
@@ -75,7 +75,8 @@ error_code object::createBinary(MemoryBuffer *Source,
     case sys::fs::file_magic::macho_dynamically_linked_shared_lib:
     case sys::fs::file_magic::macho_dynamic_linker:
     case sys::fs::file_magic::macho_bundle:
-    case sys::fs::file_magic::macho_dynamically_linked_shared_lib_stub: {
+    case sys::fs::file_magic::macho_dynamically_linked_shared_lib_stub:
+    case sys::fs::file_magic::macho_dsym_companion: {
       OwningPtr<Binary> ret(
         ObjectFile::createMachOObjectFile(scopedSource.take()));
       if (!ret)
@@ -98,9 +99,13 @@ error_code object::createBinary(MemoryBuffer *Source,
       Result.swap(ret);
       return object_error::success;
     }
-    default: // Unrecognized object file format.
+    case sys::fs::file_magic::unknown:
+    case sys::fs::file_magic::bitcode: {
+      // Unrecognized object file format.
       return object_error::invalid_file_type;
+    }
   }
+  llvm_unreachable("Unexpected Binary File Type");
 }
 
 error_code object::createBinary(StringRef Path, OwningPtr<Binary> &Result) {