/usr/libx32/libgphobos.so.76 is in libx32gphobos76 8-20180414-1ubuntu2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/libx32/libgphobos.so.76.0.2
/usr/libx32/libgphobos.so.76.0.2