gcc/testsuite/gcc.c-torture/execute/pr41317.c

   1 extern void abort (void);
   2
   3 struct A
   4 {
   5   int i;
   6 };
   7 struct B
   8 {
   9   struct A a;
  10   int j;
  11 };
  12
  13 static void
  14 foo (struct B *p)
  15 {
  16   ((struct A *)p)->i = 1;
  17 }
  18
  19 int main()
  20 {
  21   struct A a;
  22   a.i = 0;
  23   foo ((struct B *)&a);
  24   if (a.i != 1)
  25     abort ();
  26   return 0;
  27 }
  28