diff --git a/clang/lib/Sema/SemaChecking.cpp b/clang/lib/Sema/SemaChecking.cpp
--- a/clang/lib/Sema/SemaChecking.cpp
+++ b/clang/lib/Sema/SemaChecking.cpp
@@ -3268,7 +3268,7 @@
   if (ArgType->getAsPlaceholderType())
     return false;
 
-  // for TYPE_EXISTENCE/TYPE_SIZEOF reloc type
+  // for TYPE_EXISTENCE/TYPE_MATCH/TYPE_SIZEOF reloc type
   // format:
   //   1. __builtin_preserve_type_info(*(<type> *)0, flag);
   //   2. <type> var;