[PATCH] Fix PR c++/60390

[Jason Merrill]

On 03/16/2014 04:44 PM, Adam Butcher wrote:
> +	  if (parser->num_classes_being_defined == 0)
> +	    while (scope->kind == sk_class)
> +	      {
> +		parent_scope = scope;
> +		scope = scope->level_chain;
> +	      }
> +	  else
> +	    while (scope->kind == sk_class
> +		   && !TYPE_BEING_DEFINED (scope->this_entity))
> +	      {
> +		parent_scope = scope;
> +		scope = scope->level_chain;
> +	      }

The special case for 0 seems like an unnecessary optimization.  OK 
without it.

Jason