Why not flag away the mistakes of the past?

[Seb]

On Wednesday, 7 March 2018 at 14:59:35 UTC, Steven Schveighoffer 
wrote:
> On 3/7/18 1:00 AM, Taylor Hillegeist wrote:
>> [...]
>
> Note, autodecoding is NOT a feature of the language, but rather 
> a feature of Phobos.
>
> It would be quite interesting I think to create a modified 
> phobos where autodecoding was optional and see what happens 
> (could be switched with a -version=autodecoding). It wouldn't 
> take much effort -- just take out the specializations for 
> strings in std.array.
>
> -Steve

Well, I tried that already:

https://github.com/dlang/phobos/pull/5513

In short: very easy to do, but not much interest at the time.