File: pr103255.c

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gcc-arm-none-eabi 15%3A12.2.rel1-1
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/* PR tree-optimization/103255 */

struct H
{
  unsigned a;
  unsigned b;
  unsigned c;
};

#if __SIZEOF_POINTER__ >= 4
#define ADDR 0x400000
#else
#define ADDR 0x4000
#endif
#define OFF 0x20

int
main ()
{
  struct H *h = 0;
  unsigned long o;
  volatile int t = 1;

  for (o = OFF; o <= OFF; o += 0x1000)
    {
      struct H *u;
      u = (struct H *) (ADDR + o);
      if (t)
	{
	  h = u;
	  break;
	}
    }

  if (h == 0)
    return 0;
  unsigned *tt = &h->b;
  if ((__SIZE_TYPE__) tt != (ADDR + OFF + __builtin_offsetof (struct H, b)))
    __builtin_abort ();
  return 0;
}