probably detected since:
commit 089ce740f9
Date: Thu Feb 24 17:45:18 2022 +0300
Deduplicate rtl_*String_newConcat*L
or similar
Change-Id: I389d0875463f2ac59fda9266b168bdc35c82de95
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/130917
Tested-by: Jenkins
Reviewed-by: Caolán McNamara <caolanm@redhat.com>