1 files changed, 5 insertions, 0 deletions
diff --git a/test/PCH/va_arg.cpp b/test/PCH/va_arg.cpp
index 0b3c3b107c06..627ce23ad5d7 100644
--- a/test/PCH/va_arg.cpp
+++ b/test/PCH/va_arg.cpp
@@ -10,8 +10,13 @@ typedef __SIZE_TYPE__ size_t;
 
 extern "C" {
 int vsnprintf(char * , size_t, const char * , va_list) ;
+int __attribute__((ms_abi)) wvsprintfA(char *, const char *, __ms_va_list);
 }
 
 void f(char *buffer, unsigned count, const char* format, va_list argptr) {
   vsnprintf(buffer, count, format, argptr);
 }
+
+void g(char *buffer, const char *format, __ms_va_list argptr) {
+  wvsprintfA(buffer, format, argptr);
+}