--- /dev/null
+#include <stdlib.h>
+#include <stdarg.h>
+#include <string.h>
+#define DO_VA_COPY(d, s) $1
+void test(char *str, ...)
+{
+ va_list ap, ap2;
+ int i;
+ va_start(ap, str);
+ DO_VA_COPY(ap2, ap);
+ for (i = 1; i <= 9; i++) {
+ int k = (int)va_arg(ap, int);
+ if (k != i)
+ abort();
+ }
+ DO_VA_COPY(ap, ap2);
+ for (i = 1; i <= 9; i++) {
+ int k = (int)va_arg(ap, int);
+ if (k != i)
+ abort();
+ }
+ va_end(ap);
+}
+int main(int argc, char *argv[])
+{
+ test("test", 1, 2, 3, 4, 5, 6, 7, 8, 9);
+ exit(0);
+}