This file is indexed.

/usr/lib/linux/3.13.0-166-generic/compiler is in linux-buildinfo-3.13.0-166-generic 3.13.0-166.216.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

1
GCC: (Ubuntu 4.8.4-2ubuntu1~14.04.4) 4.8.4