gcc/testsuite/gcc.dg/packed-vla.c

   1 /* { dg-do run } */
   2 /* { dg-options "" } */
   3
   4 extern int printf (const char *, ...);
   5 extern void abort ();
   6
   7 int func(int levels)
   8 {
   9   struct bar {
  10     unsigned char       a;
  11     int                 b[levels];
  12   } __attribute__ ((__packed__)) bar;
  13
  14   struct foo {
  15     unsigned char       a;
  16     int                 b[4];
  17   } __attribute__ ((__packed__)) foo;
  18
  19   printf("foo %d\n", sizeof(foo));
  20   printf("bar %d\n", sizeof(bar));
  21
  22   if (sizeof (foo) != sizeof (bar))
  23     abort ();
  24 }
  25
  26 int main()
  27 {
  28   func(4);
  29   return 0;
  30 }