diff --git a/clang/lib/CodeGen/CodeGenModule.cpp b/clang/lib/CodeGen/CodeGenModule.cpp
index bd44a49..7edac4d 100644
--- a/clang/lib/CodeGen/CodeGenModule.cpp
+++ b/clang/lib/CodeGen/CodeGenModule.cpp
@@ -4652,6 +4652,7 @@
   GV = Fields.finishAndCreateGlobal("_unnamed_cfstring_", Alignment,
                                     /*isConstant=*/false,
                                     llvm::GlobalVariable::PrivateLinkage);
+  GV->addAttribute("objc_arc_inert");
   switch (Triple.getObjectFormat()) {
   case llvm::Triple::UnknownObjectFormat:
     llvm_unreachable("unknown file format");