emerge -avuN firefox failed with:
SpiderMonkey compiled with incorrect page size; please update js/src/gc/Heap.h.
make: *** [prepare-package] Error 139
make: Leaving directory `/var/tmp/portage/www-client/firefox-18.0/work/mozilla-release/obj-powerpc64-unknown-linux-gnu/browser/installer'
make: *** [install] Error 2
* ERROR: www-client/firefox-18.0 failed (install phase):
* emake install failed
Created attachment 335290 [details]
build log (emerge -avu firefox)
Created attachment 335292 [details]
emerge --info '=www-client/firefox-18.0'
Created attachment 335294 [details]
emerge -pqv '=www-client/firefox-18.0'
*** Bug 454308 has been marked as a duplicate of this bug. ***
If you feel I have closed your bug and it is still a current issue, please reopen and update it completely. We will not work bugs that have no ebuild in tree any longer or can not be reproduced with a current system.
Thank You for your support and understanding
The Mozilla Team