1  /* { dg-do compile } */
       2  /* { dg-options "-O -fdump-tree-optimized" } */
       3  
       4  int main()
       5  {
       6    int *p = __builtin_malloc (4);
       7    *p = 4;
       8    return 0;
       9  }
      10  
      11  /* { dg-final { scan-tree-dump-not "malloc" "optimized" } } */