This file is indexed.

/usr/lib/gcc-cross/sparc64-linux-gnu/6.4.0 is in gcc-6-sparc64-linux-gnu-base 6.4.0-17ubuntu1cross1.

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

It is a symlink to /usr/lib/gcc-cross/sparc64-linux-gnu/6