1  /* { dg-do compile { target { ! keeps_null_pointer_checks } } } */
       2  /* { dg-options "-O2 -fdump-tree-original -fdump-tree-vrp1 -fdelete-null-pointer-checks -fdisable-tree-evrp" } */
       3  
       4  extern int* f(int) __attribute__((returns_nonnull));
       5  extern void eliminate ();
       6  void g () {
       7    if (f (2) == 0)
       8      eliminate ();
       9  }
      10  void h () {
      11    int *p = f (2);
      12    if (p == 0)
      13      eliminate ();
      14  }
      15  
      16  /* { dg-final { scan-tree-dump-times "== 0" 1 "original" } } */
      17  /* { dg-final { scan-tree-dump-times "Folding predicate\[^\\n\]*to 0" 1 "vrp1" } } */