Nothing at all compiles with -m64 on Windows

[Anonymouse]

On Tuesday, 7 May 2019 at 17:33:22 UTC, Ron Tarrant wrote:
> I've had this happen, too. I don't know for sure, but I think 
> it may be because the installers aren't prepared to do updates, 
> not on Windows, anyway.
>
> My best success for updating has been to scrape D completely 
> off my drive (ie. uninstall DMC and DMD using Control Panel > 
> Programs and Features) then reinstall from scratch.

I only had DMD installed, but I uninstalled it and reinstalled to 
no effect.

Removing Visual Studio 2017 did fix it though, which is both a 
relief and to some dismay.