Profile-Guided Optimization (PGO) support in D ecosystem

[max haughton]

On Monday, 18 December 2023 at 01:57:17 UTC, Siarhei Siamashka 
wrote:
> On Sunday, 12 November 2023 at 18:03:19 UTC, max haughton wrote:
>> [...]
>
> The PGO code is there, but it seems to fail at compiling 
> "dshell_prebuilt.d" file. And aborts collecting the profiling 
> data prematurely because of this:
>
> [...]

Does druntime need building?