4.1-rc1 fails with O3 optimization

[Bobby Powers]

Hello,

Andev wrote:
> I usually compile my kernel with an unsupported O3 option(why not? :).

Because there have been publications that show on major benchmarks,
the effects of -O3 are indistinguishable from noise:
http://people.cs.umass.edu/~emery/pubs/Stabilizer-UMass-CS-TR2011-43.pdf

Have you noticed that -O3 provides any performance benefits over -O2?

yours,
Bobby