1  /* { dg-do compile } */
       2  /* { dg-options "-O -fdump-tree-optimized" } */
       3  
       4  void test1(void)
       5  {
       6    int *p = __builtin_malloc (sizeof (int) * 4);
       7    *p++ = 4;
       8    __builtin_free (p);   // { dg-warning "\\\[-Wfree-nonheap-object" }
       9  }
      10  
      11  /* Undefined.  We can't do anything here.  */
      12  
      13  /* { dg-final { scan-tree-dump-times "free" 1 "optimized" } } */
      14  /* { dg-final { scan-tree-dump-times "malloc" 1 "optimized" } } */