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/* PR tree-optimization/39343 */

/* { dg-do run } */

/* { dg-options "-O2" } */

extern void abort (void);

extern inline __attribute__ ((__always_inline__)) int

foo (char *dest)

{

  return __builtin_object_size (dest, 1);

}

struct S

{

  union

  {

    struct { int a, b; char c, d; } f;

    struct { struct { int a, b; char c, d[255]; } e; } g;

  } u;

};

int

main (void)

{

  struct S s;

  if (foo (s.u.g.e.d) != 255)

    abort ();

  return 0;

}