Your diff, D94661252, broke some tests

Reviewed By: yoney

Differential Revision: D94767845

fbshipit-source-id: cc50bdba7278ed0c36a4c790e2b30dadfadc89b2

Author: generatedunixname1431085361989520

cinderx/Common/util.h

@@ -488,8 +488,7 @@ class FrozenList {
 inline void setVectorcall(
     BorrowedRef<PyFunctionObject> func,
     vectorcallfunc entry) {
-  std::atomic_ref<vectorcallfunc>(func->vectorcall)
-      .store(entry, std::memory_order_relaxed);
+  __atomic_store_n(&func->vectorcall, entry, __ATOMIC_RELAXED);
 }
 
 using FuncVisitor = void (*)(BorrowedRef<PyFunctionObject>);