This file is indexed.

/usr/lib/ocaml/native-archs is in ocaml-nox 3.12.1-2ubuntu2.

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

The actual contents of the file can be viewed below.

1
amd64 armel armhf hurd-i386 i386 kfreebsd-i386 kfreebsd-amd64 lpia powerpc sparc