Trying to generate gdc for mingw-w64(x86 and x64) using msys2

[Vincent R via D.gnu]

On Monday, 9 November 2015 at 16:47:20 UTC, Johannes Pfau wrote:
> Am Mon, 09 Nov 2015 00:22:52 +0000
> schrieb Vincent R <lol at dlang.org>:
>
>> I tried a last time before and I managed to make it work not 
>> completely but at least I can see a hello world application on 
>> the console:
>> 
>> 
>> $ gdc -o main.exe main.d
>> $ ./main.exe
>> Hello D-World!
>> 
>> It's late now but I have some questions and feedback about it.
>> 
>
> Feel free to ask any open questions but please not that GDC on 
> windows is unmaintained, unsupported and any many ways broken. 
> If you want to work on D projects on Windows you're better off 
> with DMD and LDC for now.

When you say "in many ways" what are exactly the problems I might 
encounter ?