[C++ Patch] PR 44625

[Jason Merrill]

On 06/23/2011 11:52 AM, Paolo Carlini wrote:
> Ok, then, from what you saying I understand that it should be possible
> to actually construct a reject-valid or an ice-on-valid in this area,
> isn't just about improving the diagnostic, that is only the tip of the
> iceberg, so to speak. I guess it's not for me, at this time...

For the time being you could improve the diagnostic by adding a sorry 
for the case of null DECL_NAME in a template in build_anon_union_vars.

Jason