Now the system seems to think it needs libstdc++.so.6 to boot. I ran
> "emerge -s stdc", and all it found was a masked package, that wasn't even
> installed??.

Can I just run;

ACCEPT_KEYWORDS="~x86" emerge libstdc++-v3

and then expect the system to boot??. It should be pretty straightforward to
remove that again, after the system is up and running again?.

/Stig