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/* PR rtl-optimization/27616 */

/* Reported by Lee Ji Hwan <moonz@kaist.ac.kr> */

/* Testcase by Andrew Pinski <pinskia@gcc.gnu.org> */

struct chunk_s

{

  unsigned int size;

  int offset_next;

};

typedef struct chunk_s chunk_t;

void foo(chunk_t *first)

{

  chunk_t *cur;

  char *first0;

  do {

    first0 = (char *) first;

    cur = (chunk_t *) (first0 + first->offset_next);

    if ((chunk_t *) (first0 + cur->offset_next) != first)

      return ;

    first->offset_next = 0;

  } while (cur->size != 0);

}