[Bug c++/104734] -isystem hides -Woverloaded-virtual warning

[albert.astals.cid at kdab dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104734

--- Comment #5 from Albert Astals Cid <albert.astals.cid at kdab dot com> ---
Ping

I provided the requested information, can someone move this out of WAITING
state?