[Bug c++/80151] Add a warning to catch implicit string to bool conversion (-Wstring-conversion)

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80151

--- Comment #7 from Andrew Pinski <pinskia at gcc dot gnu.org> ---

So what about:
if (vec.size())

Yes it could/should be if(!vec.empty())
But still.