1  /* { dg-do run } */
       2  /* { dg-require-effective-target arm_eabi } */
       3  
       4  #include <stdarg.h>
       5  #include <stddef.h>
       6  
       7  /* AAPCS \S 7.1.4 requires that va_list match the structure shown
       8     here */
       9  typedef struct my_va_list 
      10  {
      11    void *ap;
      12  } my_va_list;
      13  
      14  int 
      15  main () {
      16    if (sizeof (va_list) != sizeof (my_va_list))
      17      return 1;
      18    /* This check confirms both that "va_list" has a member named "__ap"
      19       and that it is located at the correct position.  */
      20    if (offsetof (va_list, __ap) 
      21        != offsetof (my_va_list, ap))
      22      return 2;
      23  
      24    return 0;
      25  }