1  /* PR tree-optimization/97964 */
       2  /* { dg-do compile } */
       3  /* { dg-options "-O2 -fdump-tree-optimized" } */
       4  /* { dg-final { scan-tree-dump-not "link_failure \\\(\\\);" "optimized" } } */
       5  
       6  void link_failure (void);
       7  
       8  void
       9  foo (int a)
      10  {
      11    long b = -2;
      12    int c = a > 0;
      13    int d = b * c;
      14    int e = 1 - d;
      15    int t = (-1 / e) == 1;
      16    if (t != 0)
      17      link_failure ();
      18  }