dmd 2.068, 2.069, 2.0xx Evil Plan going forward

[Martin Nowak via Digitalmars-d]

On Tuesday, 21 July 2015 at 08:54:43 UTC, Walter Bright wrote:
> Consider that the Win32 version of dmd is built with with the 
> same backend as dmd. If there's a slowdown with that version, 
> it isn't due to the backend.

Talking about compiler speed, we can get an easy 10% speedup 
using PGO+LTO.
https://github.com/D-Programming-Language/dmd/pull/4651