/usr/bin/aarch64-linux-gnu-gcj is in gcj-aarch64-linux-gnu 4:4.8.2-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/bin/aarch64-linux-gnu-gcj-4.8
/usr/bin/aarch64-linux-gnu-gcj-4.8