I've committed to HEAD a fix that exploits inheritance. The rationale is:

- lookup the structural objectClass; starting from it, check it and subordinates for a function that successfully adds the entry

- using all objectClass values, collect all, including ancestors, that may be of use in checking configuration.

Passes all tests (049->051), and allows to add an overlay using only the overlay's objectClass, provided it's derived from olcOverlayConfig.

Please test. p.

Ing. Pierangelo Masarati OpenLDAP Core Team

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