/usr/alpha-linux-gnu/lib/libgo.so.7 is in libgo7-alpha-cross 5.5.0-12ubuntu1cross1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/alpha-linux-gnu/lib/libgo.so.7.0.0
/usr/alpha-linux-gnu/lib/libgo.so.7.0.0