-preview=in might break code

[Iain Buclaw]

On Sunday, 4 October 2020 at 18:02:12 UTC, Johan wrote:
>
> My worry from reading this thread is that `-preview=in` is 
> making A platform/compiler dependent, to give users the feel 
> that they get some control over B. I very much hope I am wrong.
>

If any bugs get raised against LDC saying as much, then it is 
well within your right to close them as wontfix, then raise a bug 
against DMD for a wrong-code issue.