Re:The Problem with Friendly C
by pcwalton on Thursday December 24, 2015 @10:51AM
(#10788502)
Gecko is what mostly benefits from the optimizations, and Gecko is the largest component shared between SeaMonkey and Firefox. I don't believe SeaMonkey at -O0 is an acceptable experience.
Which says more about Firefox than it does about -O0. I've run Seamonkey on 3x-5x slower machines than I use these days and it's been fine.