1  /* { dg-do compile } */
       2  /* { dg-options "-O2 -fdump-tree-vrp1" } */
       3  
       4  void f3(int n);
       5  
       6  void f1(int n)
       7  {
       8    if(n<0)
       9      __builtin_unreachable();
      10    f3(n);
      11  }
      12  
      13  void f2(int*n)
      14  {
      15    if(*n<0)
      16      __builtin_unreachable();
      17    f3 (*n);
      18  }
      19  
      20  /* { dg-final { scan-tree-dump-times "Global Exported" 2 "vrp1" } } */