1  /* { dg-do compile } */
       2  /* { dg-options "-O2 -fexceptions -fdump-tree-optimized" } */
       3  /* { dg-require-effective-target exceptions } */
       4  
       5  void af (void *a);
       6  
       7  void
       8  bf (void)
       9  {
      10    int i = 1;
      11    char v[i];
      12    af (v);
      13  }
      14  
      15  /* { dg-final { scan-tree-dump-not "__builtin_stack_save" "optimized"} } */
      16  /* { dg-final { scan-tree-dump-not "__builtin_stack_restore" "optimized"} } */