https://bugs.openldap.org/show_bug.cgi?id=9257
--- Comment #3 from Howard Chu hyc@openldap.org --- (In reply to Konstantin Andreev from comment #2)
rfc4519/2.7,2.18 strongly discourages using these attributes on it's own, although does not prohibit such use. What is described there closely matches `abstract' concept in, e.g. c++, so `slap_at_abstract' makes sense.
However, I do no argue neither pro nor contra slap_at_abstract. There is a conflict between the claim [/* cannot be instantiated */] and reality, and this conflict needs resolution.
This claim is not published in any user documentation, so I don't see any pressing need to correct it. Certainly, to enforce it at this point in time is likely to break someone's DIT if they ever used these attribute types directly. As such, there is risk of harm from changing it, and no risk from leaving it alone.
The flag was added in 55e925abe63b49cdf6a5ddcd88240b2259eb7dc1 so it's been around for a long time without any issue.
I see no bug to fix here.