/usr/lib/gcc-cross/arm-linux-gnueabihf/4.8/libgo.so is in gccgo-4.8-arm-linux-gnueabihf 4.8.2-16ubuntu4cross0.11.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/gcc-cross/arm-linux-gnueabihf/4.8/../../../../arm-linux-gnueabihf/lib/libgo.so.4