DMD no longer requires libstdc++

[Seb]

On Friday, 4 January 2019 at 15:40:37 UTC, Seb wrote:
> Just a note for all DMD distro packagers out there that the DMD 
> compiler no longer needs libstdc++ for building nor running.
>
> However, of course as there are C++ ABI tests, it's still 
> required for running the testsuite.
>
> There are still a handful of CXX files in the DMD codebase, but 
> once they have been converted to D too, the dependency on a 
> host C++ compiler for building DMD can be entirely removed.
>
>
> Details: https://github.com/dlang/dmd/pull/9188

Before someone gets confused, as this change has been merged 
yesterday it will affect the next stable DMD release (2.084.1).