Yes, that is what I was trying to get at in the second paragraph under the "What can I do to help with fuzzing Irssi?…" heading. That there may be certain bugs

Yes, that is what I was trying to get at in the second paragraph under the "What can I do to help with fuzzing Irssi?…" heading. That there may be certain bugs that require certain non-default configuration options as part of the criteria for triggering the bug.