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

[Brad Anderson via Digitalmars-d]

On Wednesday, 10 December 2014 at 18:39:39 UTC, Stefan Koch wrote:
> 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.

DMD pull requests actually don't languish for too long unless 
it's a controversial or complicated pull request. DMD gets and 
merges more pull requests than Phobos.