Speeding up importing Phobos files

[Mike Franklin]

On Saturday, 8 June 2019 at 00:00:17 UTC, Mike Franklin wrote:
> On Friday, 7 June 2019 at 16:38:56 UTC, Seb wrote:
>
>> Reading files is really cheap, evaluating templates and 
>> running CTFE isn't. That's why importing Phobos modules is 
>> slow - not because of the files it imports, but because of all 
>> the CTFE these imports trigger.
>
> Yes that makes much more sense to me.  But, if that's the case, 
> what's all the concern from Walter and Andrei expressed in this 
> thread and in the conversations linked below?
>
> https://forum.dlang.org/post/q7dpmg$29oq$1@digitalmars.com
> https://github.com/dlang/druntime/pull/2634#issuecomment-499494019
> https://github.com/dlang/druntime/pull/2222#issuecomment-398390889

Another recent comment from Walter:  
https://github.com/dlang/dmd/pull/9814#issuecomment-493773769

It seems there is disagreement about what the actual issue is.

Mike