1  /* { dg-do compile } */
       2  /* { dg-options "-O2 -fdump-tree-local-pure-const-details -fdelete-null-pointer-checks" } */
       3  
       4  void *g(unsigned n)
       5  {
       6    return n ? __builtin_malloc (n) : 0;
       7  }
       8  
       9  void *h()
      10  {
      11    return 0;
      12  }
      13  
      14  /* { dg-final { scan-tree-dump "Function found to be malloc: g" "local-pure-const1" } } */
      15  /* { dg-final { scan-tree-dump-not "Function found to be malloc: h" "local-pure-const1" } } */