1  /* { dg-do compile } */
       2  /* { dg-require-effective-target alloca } */
       3  /* { dg-options "-O3 -Wstrict-overflow=2 -Werror" } */
       4  
       5  typedef __SIZE_TYPE__ size_t;
       6  extern char *strtok_r (char *__restrict __s, const char *__restrict __delim,
       7  		       char **__restrict __save_ptr)
       8    __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (2, 3)));
       9  extern const unsigned short int **__ctype_b_loc (void)
      10    __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__const__));
      11  extern int *DEBUGLEVEL_CLASS;
      12  size_t debug_num_classes = 0;
      13  void debug_parse_param(char *param);
      14  void
      15  debug_parse_levels(const char *params_str, size_t str_len)
      16  {
      17    char str[str_len+1];
      18    char *tok, *saveptr;
      19    size_t i;
      20    tok = strtok_r(str, " \t,\n\r", &saveptr);
      21    if (((*__ctype_b_loc ())[(int) ((tok[0]))]))
      22      tok = strtok_r(((void *)0), " \t,\n\r", &saveptr);
      23    else
      24      DEBUGLEVEL_CLASS[0] = 0;
      25    for (i = 0 +1; i < debug_num_classes; i++)
      26      DEBUGLEVEL_CLASS[i] = DEBUGLEVEL_CLASS[0];
      27    while (tok != ((void *)0) )
      28      debug_parse_param(tok);
      29  }