[C++ Patch] PR 53761

[Jason Merrill]

On 10/10/2012 11:13 AM, Paolo Carlini wrote:
> -	  error ("type transparent class %qT does not have any fields", t);
> +	  if (TREE_CODE (t) == UNION_TYPE)
> +	    error ("type transparent union %qT does not have any fields", t);
> +	  else
> +	    error ("type transparent class %qT does not have any fields", t);

If you use %q#T you don't need to repeat the class-key.

> +	    error ("type transparent union %qT cannot be made transparent", t);

Let's say why not.

Jason