if(arr) now a warning

[Daniel Kozak via Digitalmars-d]

On Thursday, 30 April 2015 at 15:08:00 UTC, Andrei Alexandrescu 
wrote:
> On 4/30/15 4:46 AM, Daniel Murphy wrote:
>> "Vladimir Panteleev"  wrote in message
>> news:ajrysqkjmlqjlmkipboz at forum.dlang.org...
>>
>>> On Wednesday, 29 April 2015 at 19:15:46 UTC, Jonathan M Davis
>>> wrote:
>>> > but std.allocator is definitely not your average code
>>>
>>> OK, I'm tired of hearing this argument.
>>
>> It's valid though.
>
> I think we need to stop here. I'll make the PR today for 
> reverting this language change. We can't handle D like a 
> semester science project, because for as long as we do we won't 
> have credibility.
>
> This trickle of teeny-bit breaking changes for the sake of 
> touted benefits must stop.
>
> In the future please do not make breaking changes without my 
> and Walter's approval.
>
>
> Thanks,
>
> Andrei

OK so, please revert this one:
https://github.com/D-Programming-Language/dmd/commit/2869ee9c1fb64f08b51d8d07ce72701dda4a6fae

and this one:
http://forum.dlang.org/thread/ibupwrwsgjvrjwabhmjd@forum.dlang.org