This file is indexed.

/usr/lib/mysql-testsuite/t/bug46261-master.opt is in percona-server-test-5.6 5.6.22-rel71.0-0ubuntu4.

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

The actual contents of the file can be viewed below.

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--skip-grant-tables $EXAMPLE_PLUGIN_OPT