1  /* { dg-do compile } */
       2  /* { dg-options "-O -fdump-tree-optimized" } */
       3  
       4  int f(int x) {
       5    return 1 / x;
       6  }
       7  
       8  /* { dg-final { scan-tree-dump-not "1 / x_\[0-9]\+\\\(D\\\);" "optimized" } } */
       9  /* { dg-final { scan-tree-dump " <= 2;" "optimized" } } */
      10  /* { dg-final { scan-tree-dump " \\? x_\[0-9]\+\\\(D\\\) : 0;" "optimized" } } */