diff --git a/clang/lib/Basic/TokenKinds.cpp b/clang/lib/Basic/TokenKinds.cpp
index 0426edc..d55e176 100644
--- a/clang/lib/Basic/TokenKinds.cpp
+++ b/clang/lib/Basic/TokenKinds.cpp
@@ -46,6 +46,16 @@
   return nullptr;
 }
 
+bool tok::isAnnotation(TokenKind Kind) {
+  switch (Kind) {
+#define ANNOTATION(X) case annot_ ## X: return true;
+#include "clang/Basic/TokenKinds.def"
+  default:
+    break;
+  }
+  return false;
+}
+
 bool tok::isPragmaAnnotation(TokenKind Kind) {
   switch (Kind) {
 #define PRAGMA_ANNOTATION(X) case annot_ ## X: return true;