TYPO3 Core

When a page is rendered, the class t3lib_pageSelect usually does the language overlay with "getRecordOverlay". Here, "versionOL" is called and up to now everything is still fine and will be if you do not use workspaces or only have default language. If you need the the real uid of the record in the workspace (e.g. to fetch attached IRRE records), that value should be available in the field "_ORIG_uid", which is set by "versionOL", but "getRecordOverlay" does not add these fields when it iterates over the record and does the overlaying.

How to test:
- just output the cObj data in your favourite frontend plugin and watch the fields uid, _LOCALIZED_UID, _ORIG_uid and _ORIG_pid
$content = t3lib_div::view_array($this->cObj->data);

- create a content element in default language in LIVE workspace
- translate that record in in a workspace and have a look at the uid of the record in the workspace
- watch the output of your frontend plugin and the missing fields

If the default element is also versioned, the right _ORIG_uid is already set, but not if only the localized content element new in the workspace.

Solution: add _ORIG_uid and _ORIG_pid when the overlay record is merged

(issue imported from #M16147)