/usr/lib/gcc/x86_64-linux-gnu/4.4.7 is in gcc-4.4-base 4.4.7-2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/gcc/x86_64-linux-gnu/4.4
/usr/lib/gcc/x86_64-linux-gnu/4.4