RFA: Extending --help

[Gerald Pfeifer]

On Fri, 9 Feb 2007, Nick Clifton wrote:
> Correct.  I know that this information should be obtainable by reading 
> the info file, but that can be quite tedious and it is sometimes out of 
> date. Knowing which optimizations are enabled at a given -O level is 
> quite helpful when trying to track down a bug that only appears with 
> some level of optimization enabled.

Well, and your patch also allows us to much more easily verify whether
our documentation matches the actual implementation. :-)  Certainly a
good thing!

Gerald