gcc/testsuite/gcc.c-torture/execute/pr28865.c

   1 struct A { int a; char b[]; };
   2 union B { struct A a; char b[sizeof (struct A) + 31]; };
   3 union B b = { { 1, "123456789012345678901234567890" } };
   4 union B c = { { 2, "123456789012345678901234567890" } };
   5
   6 __attribute__((noinline, noclone)) void
   7 foo (int *x[2])
   8 {
   9   x[0] = &b.a.a;
  10   x[1] = &c.a.a;
  11 }
  12
  13 int
  14 main ()
  15 {
  16   int *x[2];
  17   foo (x);
  18   if (*x[0] != 1 || *x[1] != 2)
  19     __builtin_abort ();
  20   return 0;
  21 }