Bug#626450: lost /lib64 -> /lib symlink on amd64; upgrade fails

[Brian Paterni]

> I see lib64 is gone from / and /usr in /var/lib/dpkg/info/libc6.list
> ... once I added the /lib64 -> /lib symlink back, things more or less
> worked again.
>
>
 I'm wondering if there was anything special you needed to do for this? I
know after upgrading my system, that any commands other than bash's built-in
commands are refusing to execute, giving me "no such file or directory
errors".