AA ignores disabling of postblit for key types

[Nordlöw via Digitalmars-d]

On Friday, 21 October 2016 at 18:35:38 UTC, Jonathan M Davis 
wrote:
> On Friday, October 21, 2016 12:18:28 Nordlöw via Digitalmars-d 
> wrote:
>> It seems AA's doesn't respect disabling of postblit for its 
>> Key-type even when it's sent as an r-value.
>>
>> This is a serious bug.
>
> Well, I wouldn't expect it to work to use a non-copyable type 
> as a key, but that should just result in a compilation error, 
> not the mess that you're seeing. It wouldn't surprise me at all 
> if the problem relates to the fact that the AA implementation 
> uses void* internally (at least, from what I recall, that's 
> what it does, which historically has meant a number of fun 
> type-related bugs).
>
> - Jonathan M Davis

AFACT, it *should* be able to work with non-copyable types if 
argument is an r-value. If somebody points out where to start 
digging for this DMD I can give it at try.

1. issue a error when index is an l-value of noncopyable type
2. move the index if it's an r-value