Re: [PATCH 02/40] Eliminate make_cleanup_obstack_free, introduce auto_obstack

[Yao Qi <qiyaoltc at gmail dot com>]

Pedro Alves <palves@redhat.com> writes:

> +/* An obstack that frees itself on scope exit.  */
> +struct auto_obstack : obstack
> +{
> +  auto_obstack ()
> +  { obstack_init (this); }
> +
> +  ~auto_obstack ()
> +  { obstack_free (this, NULL); }
> +
> +  /* Free all memory in the obstack but leave it valid for further
> +     allocation.  */
> +  void clear ()
> +  { obstack_free (this, obstack_base (this)); }
> +};

Hi Pedro,
Did you consider "upstream" this to include/obstack.h? so that gcc can
use it as well.

-- 
Yao (齐尧)