When I ranĀ
emerge -avuDN @world
today the package sys-apps/help2man-1.49.3 failed to build.
It couldn't apply '/var/tmp/portage/sys-apps/help2man-1.49.3/files/help2man-1.46.1-linguas.patch', and when I looked for the folder it didn't seem to exist at all.
By commenting out the patch from the ebuild everything works, so it's just something wrong with the patch.