In the traditional, "you broke it, you fix it" world. You broke the vimrc file because you did not take into account the following commit in FILESDIR. I don't have time to clean up after your merging. =/ Also, no, you cannot move that patch to gx86, unless you also move the eclass. http://overlays.gentoo.org/proj/alt/changeset/7280
you killed vim
http://overlays.gentoo.org/proj/alt/changeset/56288 seems it wasn't fauli that moved this one.
I have restored the vim-core dir in the prefix overlay.
%% svn ci -m "Restore vim-core from overlay, bug 302796" whitelist.txt Sending whitelist.txt Transmitting file data . Committed revision 56867.
done *** This bug has been marked as a duplicate of bug 310991 ***