On 24 November 2014 at 15:44, koneu <kone...@googlemail.com> wrote: > Greetings. > > Markus Wichmann wrote: >> compiling with -O3 will result in some broken binaries. Somewhere. Why? > > Because -O3 is very aggressive and should NOT be used. Especially not > when compiling/bootstrapping a system. In most cases it makes things > buggier and bigger, in some cases even slower. Use -O2.
I've used -O3 for a long time in several projects that are heavily tuned and not noticed any issues. I think there is a large stigma around -O3 but if you just take a few minutes to read about -O3 you'll learn quickly what is safe to use and what could cause problems. You seem like a hater.
