gnu/dist/gcc4/gcc/testsuite/gcc.c-torture/execute/va-arg-11.c

   1 /* Test va_arg when the result is ignored and only the pointer increment
   2    side effect is used.  */
   3 #include <stdarg.h>
   4
   5 static int
   6 foo (int a, ...)
   7 {
   8   va_list va;
   9   int i, res;
  10
  11   va_start (va, a);
  12
  13   for (i = 0; i < 4; ++i)
  14     (void) va_arg (va, int);
  15
  16   res = va_arg (va, int);
  17
  18   va_end (va);
  19
  20   return res;
  21 }
  22
  23 int
  24 main (void)
  25 {
  26   if (foo (5, 4, 3, 2, 1, 0))
  27     abort ();
  28   exit (0);
  29 }