1  /* { dg-do compile } */
       2  /* { dg-options "-O2 -fdump-tree-optimized" } */
       3  
       4  int n, nn;
       5  void* f()
       6  {
       7    char *p = __builtin_calloc (n, 1);
       8    p[42] = '\n';
       9    __builtin_memset (p, 0, nn);
      10    return p;
      11  }
      12  
      13  void* g(int m1, int m2)
      14  {
      15    char *p = __builtin_malloc (m2);
      16    while (--m1)
      17    {
      18      __builtin_memset (p, 0, m2);
      19      p[n] = 'b';
      20    }
      21    return p;
      22  }
      23  
      24  /* { dg-final { scan-tree-dump-times "malloc" 1 "optimized" } } */
      25  /* { dg-final { scan-tree-dump-times "calloc" 1 "optimized" } } */
      26  /* { dg-final { scan-tree-dump-times "memset" 2 "optimized" } } */