[Issue 18864] Building 64-bit dmd on Windows results in a debug build. The release build doesn't work.

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=18864

--- Comment #3 from Atila Neves <atila.neves at gmail.com> ---
Using digger to build dmd 2.080.0 works and produces a 64-bit binary. Given
that digger uses a relatively old dmd to do so, it would seem the issue arises
when using 2.080.0 to build itself.

--