I should have mentioned that is impacting about 150 packages in the Archive:
https://clang.debian.net/status.php?version=9.0.1&key=CHANGE_SYM_LIB S
- Bug#961469: dpkg-dev: dpkg-gensymbols should ignore C++ vi... Sylvestre Ledru
- Bug#961469: Example of the impact Sylvestre Ledru
