/usr/share/man/man1/m68hc12-as.1.gz is in binutils-m68hc1x 1:2.18-3.3.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/man/man1/m68hc11-as.1.gz
/usr/share/man/man1/m68hc11-as.1.gz