Speaking as a user who upgraded from 3.3.x to 3.4.x a loooooong loooong
time ago and also as a forum mod who sees questins about this on a daily
basis:
Users are more or less aware that they will have to rebuild the entire
world including the kernel when they upgrade gcc. If they aren't already
aware of it they soon learn that it is necessary and they aren't averse
to it. This is a from source distro afterall, so TELLING them in an
upgrade guide that they *HAVE* to do this wouldn't be such a bad thing.
It solves 99% of all the problems reported in a gcc upgrade for people
who *didn't* do an "emerge -e world".
Doing it from the outset will save the forums and bugs a lot of stress
and heartache that could have been easily avoided.
Just my 2 $DENOMINATION's
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