diff --git a/clang/lib/Sema/SemaChecking.cpp b/clang/lib/Sema/SemaChecking.cpp
index 450e278..9c90295 100644
--- a/clang/lib/Sema/SemaChecking.cpp
+++ b/clang/lib/Sema/SemaChecking.cpp
@@ -2448,7 +2448,9 @@
 
   // Refuse POD arguments that weren't caught by the format string
   // checks above.
-  if (CallType != VariadicDoesNotApply) {
+  auto *FD = dyn_cast_or_null<FunctionDecl>(FDecl);
+  if (CallType != VariadicDoesNotApply &&
+      (!FD || FD->getBuiltinID() != Builtin::BI__noop)) {
     unsigned NumParams = Proto ? Proto->getNumParams()
                        : FDecl && isa<FunctionDecl>(FDecl)
                            ? cast<FunctionDecl>(FDecl)->getNumParams()