Where is COFFIMPLIB

[Darrell Gallion via Digitalmars-d-learn]

On Friday, 17 April 2015 at 19:38:08 UTC, Jacob Carlborg wrote:
>
> If you compile as 64bit or with the -m32mscoff flag the 
> compiler will output object files in the COFF format.

Thought there were other complications on Windows for 64bit?