1  /* PR rtl-optimization/83496 */
       2  /* Reported by Hauke Mehrtens <gcc@hauke-m.de> */
       3  
       4  extern void abort (void);
       5  
       6  typedef unsigned long mp_digit;
       7  
       8  typedef struct { int used, alloc, sign; mp_digit *dp; } mp_int;
       9  
      10  int mytest(mp_int *a, mp_digit b) __attribute__((noclone, noinline));
      11  
      12  int mytest(mp_int *a, mp_digit b)
      13  {
      14    if (a->sign == 1)
      15      return -1;
      16    if (a->used > 1)
      17      return 1;
      18    if (a->dp[0] > b)
      19      return 1;
      20    if (a->dp[0] < b)
      21      return -1;
      22    return 0;
      23  }
      24  
      25  int main (void)
      26  {
      27    mp_int i = { 2, 0, -1 };
      28    if (mytest (&i, 0) != 1)
      29      abort ();
      30    return 0;
      31  }