diff --git a/lib/AST/DeclCXX.cpp b/lib/AST/DeclCXX.cpp
index 931b7cb..d522103 100644
--- a/lib/AST/DeclCXX.cpp
+++ b/lib/AST/DeclCXX.cpp
@@ -1973,3 +1973,8 @@
                                            AccessSpecifier AS) {
   return DB << getAccessName(AS);
 }
+
+const PartialDiagnostic &clang::operator<<(const PartialDiagnostic &DB,
+                                           AccessSpecifier AS) {
+  return DB << getAccessName(AS);
+}