https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87684
--- Comment #4 from Daniel Fruzynski <bugzi...@poradnik-webmastera.com> --- Thanks for the link. I have tried to google for "gcc Woverloaded-virtual" and it did not show on the top, so I assumed that option is undocumented. I will open new issue to add it to -Wall.
