dmd codegen improvements

[Jacob Carlborg via Digitalmars-d]

On 2015-08-19 15:00, Dmitry Olshansky wrote:

> +1 for -pgo to use trace.log in the same folder that way running
> -profile folowed by -pgo will just work (tm).

I was thinking something the compiler would handle everything 
automatically in one command with the -pgo flag present. If necessary, 
one could pass arguments after the -pgo flag which will be used when 
running application.

-- 
/Jacob Carlborg