--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/g++.dg/abi/empty21.C	Thu Oct 25 07:37:49 2018 +0900
@@ -0,0 +1,23 @@
+// PR c++/60336
+// { dg-options "-Wabi=11" }
+
+#include <stdarg.h>
+
+struct A { };
+
+void f(int i, ...)
+{
+  va_list ap;
+  va_start (ap, i);
+  if (i >= 1)
+    va_arg (ap, A);
+  if (i >= 2)
+    va_arg (ap, int);
+}
+
+int main()
+{
+  f(0);
+  f(1, A()); // { dg-warning "ABI" "" { target { { i?86-*-* x86_64-*-* } && { ! { ia32 } } } } }
+  f(2, A(), 42); // { dg-warning "ABI" "" { target { { i?86-*-* x86_64-*-* } && { ! { ia32 } } } } }
+}