diff --git a/llvm/lib/Target/CppBackend/CPPBackend.cpp b/llvm/lib/Target/CppBackend/CPPBackend.cpp
index 36c421e..9c9c097 100644
--- a/llvm/lib/Target/CppBackend/CPPBackend.cpp
+++ b/llvm/lib/Target/CppBackend/CPPBackend.cpp
@@ -513,6 +513,7 @@
       HANDLE_ATTR(StackProtect);
       HANDLE_ATTR(StackProtectReq);
       HANDLE_ATTR(StackProtectStrong);
+      HANDLE_ATTR(SafeStack);
       HANDLE_ATTR(NoCapture);
       HANDLE_ATTR(NoRedZone);
       HANDLE_ATTR(NoImplicitFloat);