[Bug c++/86568] -Wnonnull warnings should highlight the relevant argument not the closing parenthesis

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86568

--- Comment #5 from Jonathan Wakely <redi at gcc dot gnu.org> ---
*** Bug 95831 has been marked as a duplicate of this bug. ***