What can be done to reduce executable size?

[Trass3r]

> import std.stdio;
> int main(){
>    writefln("Hello Bloat!");
>    return 0;
> }
>
> dmd -release -O hello.d
>
> On Windows:
> v1.071 = 339 Kb
> v2.056 = 1017 Kb

$ dmd -release -O test.d
867K
$ strip -s test
572K

I don't know where the 300KB come from.
The map files are equal:
dmd -release -O -map test.d
dmd -release -O -L-s -map test.d


This is what Hello World looks like on x64 Linux:
http://thecybershadow.net/d/mapview/view.php?id=4ee3af86c32f2