1  /* PR tree-optimization/66757 */
       2  /* Testcase by Zhendong Su <su@cs.ucdavis.edu> */
       3  
       4  int a, b;
       5  
       6  int
       7  main (void)
       8  {
       9    unsigned int t = (unsigned char) (~b); 
      10  
      11    if ((t ^ 1) / 255)
      12      __builtin_abort (); 
      13  
      14    return 0;
      15  }