Fixing More Warnings in DMD?

[bearophile via Digitalmars-d]

Dicebot:

> I don't think it is worth spending too much time on it because 
> of ongoing DDMD transition which will make many of those issues 
> obsolete.

Some of those warnings are not generated by D compiler (like 
unused variables and labels, unused arguments, signed/unsigned 
comparisons, etc), so better to catch and fix them before porting 
the code to D.

Bye,
bearophile