1  /* { dg-do compile } */
       2  /* { dg-require-effective-target alloca } */
       3  /* { dg-options "-Walloca-larger-than=5000 -O2" } */
       4  
       5   char *
       6   _i18n_number_rewrite (char *w, char *rear_ptr)
       7  {
       8  
       9    char *src;
      10    _Bool use_alloca = (((rear_ptr - w) * sizeof (char)) < 4096U);
      11    if (use_alloca)
      12      src = (char *) __builtin_alloca ((rear_ptr - w) * sizeof (char));
      13    else
      14      src = (char *) __builtin_malloc ((rear_ptr - w) * sizeof (char));
      15    return src;
      16  }
      17  
      18  /* { dg-prune-output "-Wreturn-local-addr" } */