1  /* PR tree-optimization/89536 */
       2  /* Testcase by Zhendong Su <su@cs.ucdavis.edu> */
       3  
       4  int a = 1;
       5  
       6  int main (void)
       7  {
       8    a = ~(a && 1); 
       9    if (a < -1)
      10      a = ~a;
      11    
      12    if (!a)
      13      __builtin_abort ();
      14  
      15    return 0;
      16  }