From Reddit

[Andrei Alexandrescu]

bearophile wrote:
> Don:
>> No. But that's nothing to do with D. This is an object file 
>> incompatibility, not a language issue.
>> You can't use a MingW object file from DMC, or from MSVC, either.
>> DMD can however use an object file from any C compiler which uses OMF 
>> object files, such as Watcom or DMC.
>> OTOH you can get a MinGW object file, run it through an obj conversion 
>> utility, and then link it to DMD.
> 
> I understand now, thank you for explaining me. I'll add such information to that part of the blog post.
> (I also have a lot of comments to answer there still, they are all anonymous).

IMHO you should pull that post. It is at best appallingly thoughtless.

Andrei