This file is indexed.

/usr/src/gcc-4.6/debian/libgnatvsn4.6.overrides is in gcc-4.6-source 4.6.4-6ubuntu2.

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

The actual contents of the file can be viewed below.

1
libgnatvsn4.6: missing-dependency-on-libc