1  /* { dg-do run } */
       2  /* { dg-skip-if "free inseparable from malloc when wrapped" { mmix-knuth-mmixware } } */
       3  
       4  void free(void *ptr)
       5  {
       6  }
       7  
       8  void *foo(void)
       9  {
      10    return 0;
      11  }
      12  
      13  int main(void)
      14  {
      15    void *p = foo();
      16    free(p);
      17    return 0;
      18  }