Which optimisations are are easier or perhaps only possible in the frontend ?

[Stefan Koch via Digitalmars-d]

On Wednesday, 10 December 2014 at 14:02:43 UTC, Daniel Murphy 
wrote:

> DMD's inliner might be a good place to start.  There is a lot 
> to be done there.

I am sure that would be interesting. But I gather PR's for DMD 
are not merged too frequently.