1  /* { dg-do compile } */
       2  /* { dg-options "-O -fdump-tree-optimized" } */
       3  
       4  int foo(int a)
       5  {
       6    unsigned int b = a > 0;
       7    char c = b;
       8    _Bool d = c == 0;
       9    int e = !d;
      10    return e;
      11  }
      12  
      13  /* { dg-final { scan-tree-dump-times " = " 2 "optimized" } } */
      14  /* One comparison and one extension to int.  */
      15  /* { dg-final { scan-tree-dump " = a_..D. > 0;" "optimized" } } */
      16  /* { dg-final { scan-tree-dump "e_. = \\\(int\\\)" "optimized" } } */