diff --git a/utils/llvm.grm b/utils/llvm.grm
index 1426e3b98e2..e70533a0cd9 100644
--- a/utils/llvm.grm
+++ b/utils/llvm.grm
@@ -89,6 +89,7 @@ GVInternalLinkage
  | appending
  | dllexport
  | common
+ | private
  ;
 
 GVExternalLinkage