diff --git a/clang/lib/CodeGen/CodeGenModule.h b/clang/lib/CodeGen/CodeGenModule.h
index 5daa4e9..76af56b 100644
--- a/clang/lib/CodeGen/CodeGenModule.h
+++ b/clang/lib/CodeGen/CodeGenModule.h
@@ -1336,6 +1336,12 @@
 
   void checkAliases();
 
+  std::map<int, llvm::TinyPtrVector<llvm::Function *>> DtorsUsingAtExit;
+
+  /// Register functions annotated with __attribute__((destructor)) using
+  /// __cxa_atexit, if it is available, or atexit otherwise.
+  void registerGlobalDtorsWithAtExit();
+
   void emitMultiVersionFunctions();
 
   /// Emit any vtables which we deferred and still have a use for.