GCC optimization bugs -- still there or a historic artifact?

[llewelly at xmission.com]

"Paul Seniura" <pdseniura at techie.com> writes:
[snip]
> And as for PPC, I've compiled things as high as -O5,
> which is its limit I believe. ;)  
[snip]

hm, no docs for -On, n > 3 at http://xrl.us/brh2 . Looking at the
    code: http://xrl.us/brh5 (search for 'optimize >= 3'), I don't see any
    evidence that -O5 is different from -O3. Though apple gcc is somewhat
    changed from fsf gcc, so maybe apple gcc does something different.