private with alias this

[Zhenya]

On Tuesday, 25 December 2012 at 02:43:52 UTC, r_m_r wrote:
> On 12/25/2012 07:42 AM, r_m_r wrote:
>> assert(!__traits(compiles, b._bar));
>
> sorry, i made a typo: it should be bar_ instead of _bar.
>
> Interestingly, the below assertion fails at run time:
>
> assert(!__traits(compiles, b.bar_));
>
>
> but this won't compile (as expected):
>
> assert(b.bar_ == 20); //main.d(15): Error: undefined identifier 
> 'bar_'
>
>
> regards,
> r_m_r

So,should I file a new bug?Or it's alright and I don't understand 
something?