/usr/x86_64-linux-gnu/libx32/libgdruntime.so.68 is in libx32gphobos68-amd64-cross 6.4.0-17ubuntu1cross1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/x86_64-linux-gnu/libx32/libgdruntime.so.68.0.2