What are (were) the most difficult parts of D?

[rikki cattermole]

On 23/05/2022 8:05 AM, Chris Piker wrote:
>> Vibe.d is well tested against the frontend.
>>
>> Its part of dmd's test suite.
>>
>> See: https://buildkite.com/dlang/dmd/builds/26775
> Thanks, that's handy.  Do you know where the equivalent test suite is 
> for gdc?

No idea.

I've pinged Iain, because you are certainly at that point that is well 
past my knowledge of GDC. Not something I use, as it isn't exactly easy 
to use on Windows, plus LDC has some pretty awesome features.