gcc-4.9/gcc/testsuite/gcc.dg/long-long-cst1.c


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/* PR middle-end/27724 */
/* { dg-do run } */
/* { dg-options "" } */

extern void abort();

struct st{
  int _mark;
};
unsigned long long t = ((int)(__UINTPTR_TYPE__)&(((struct st*)16)->_mark) - 32);

int main()
{
  if (t != (unsigned long long)(int)-16)
    abort ();
  return 0;
}