On Sep 13, 2012, at 6:52 AM, Robert Dewar <de...@adacore.com> wrote: > Sure, it is obvious that you don't want -g to affect -O1 or -O2 code, > but I think if you have -Og (if and when we have that), it would not > be a bad thing for -g to affect that.
No, instead think of -Og as affecting the -g output itself. If it does, then there is nothing for -g to affect when used with -Og. So, I agree, -g -Og can have any impact on code-gen that we want, I just dis-agree that -Og should be any different; I just don't see the need.