1  /* { dg-do compile } */
       2  /* { dg-require-effective-target alloca } */
       3  /* { dg-options "-Walloca-larger-than=2000 -O2" } */
       4  
       5  void *p;
       6  void
       7  foo (__SIZE_TYPE__ len)
       8  {
       9    if (len < 2000 / sizeof (void *))
      10      p = __builtin_alloca (len * sizeof (void *));
      11    else
      12      p = __builtin_malloc (len * sizeof (void *));
      13  }