While trying to get a little bit more performance out of 2006e imapd, I
found the interesting GCC optimization discussion in
src/osdep/unix/Makefile.
> The general concensus seems to be that -O2 is the one to use. Over
> the years, I've been told to use many different settings, including
> -O6
Thank you for your comments about GCC optimization levels.
I can assure you that it is no myth that -O6 generates bad code. That
comment came about because I personally experienced the bad code. So
there is some gcc version out there that does something special with -O6
and generates bad cod