[Bug c++/82466] Missing warning for re-declaration of built-in function as variable

[bernd.edlinger at hotmail dot de]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82466

--- Comment #5 from Bernd Edlinger <bernd.edlinger at hotmail dot de> ---
Yes, and I think the C warning should use that option as well.