This file is indexed.

/usr/lib/gcc-cross/powerpc64le-linux-gnu/4.8.5 is in gcc-4.8-powerpc64le-linux-gnu-base 4.8.5-4ubuntu1cross2.

This file is owned by root:root, with mode 0o777.

It is a symlink to /usr/lib/gcc-cross/powerpc64le-linux-gnu/4.8