[PATCH][C++] Move decltype(nullptr) back to NULLPTR_TYPE tree code

[Jason Merrill]

On 10/13/2010 11:05 AM, Richard Guenther wrote:
> +     case NULLPTR_TYPE:
> +       /* No Dwarf representation currently defined.  Fallthru.  */
> +
>        case LANG_TYPE:
>          /* Just use DW_TAG_unspecified_type.  */

Well, the proposed representation is to use DW_TAG_unspecified_type, as 
I implemented for LANG_TYPE, so I'd leave out the new comment and just 
add the new case.

Otherwise Ok.

Jason