1  /* { dg-options "-O2 -fdump-tree-optimized" } */
       2  
       3  void f(int);
       4  void h(unsigned i)
       5  {
       6    switch (i) {
       7      default: __builtin_unreachable();
       8      case 0: f(42); break;
       9      case 1: f(42); break;
      10      case 2: f(42); break;
      11      case 3: f(42); break;
      12      case 4: f(42); break;
      13      case 5: f(42); break;
      14    }
      15  } 
      16  
      17  /* { dg-final { scan-tree-dump-not "if" "optimized" } } */
      18  /* { dg-final { scan-tree-dump-not "switch" "optimized" } } */