https://issues.dlang.org/show_bug.cgi?id=18864
--- Comment #3 from Atila Neves <atila.ne...@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. --