Re: O0 cleanup_cfg vs debuggability

[Olivier Hainque <hainque at act-europe dot fr>]

James E Wilson wrote:
> >  I'm not clear why a mere inhibition of the edge forwarding optimization in
> >  non-optimizing compilations doesn't seem to be an option.
> 
> Yes, I think that would be OK also.

> I was just trying to offer more alternatives, as you suggested that this
> change might be too drastic.

 OK, just fine. Be sure that I did appreciate much you suggestions :)
 
> If programs suddenly start running slower at -O0, some people will
> notice and complain, but I doubt that we really have to worry about this
> unless there are very significant performance changes, and that seems
> rather unlikely.

 I agree, and can certainly come up with a patch implementing the simple
 alternative.

 Would you like me to perform some special testing to verify the assumption
 above beforehand ?

 Thanks again for your help,

 Olivier