Index: clang/lib/Lex/PPDirectives.cpp
===================================================================
--- clang/lib/Lex/PPDirectives.cpp
+++ clang/lib/Lex/PPDirectives.cpp
@@ -2394,7 +2394,7 @@
              diag::ext_variadic_macro);
 
       // OpenCL v1.2 s6.9.e: variadic macros are not supported.
-      if (LangOpts.OpenCL) {
+      if (LangOpts.OpenCL && !LangOpts.OpenCLCPlusPlus) {
         Diag(Tok, diag::ext_pp_opencl_variadic_macros);
       }