[Bug c++/65168] diagnostic: missing: reference cannot be bound to dereferenced null pointer

[jan.kratochvil at redhat dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65168

--- Comment #2 from Jan Kratochvil <jan.kratochvil at redhat dot com> ---
It should check the '!&r' condition which makes no sense.  The variable
initialization in real world programs is too complicated to be able to figure
out it may be NULL.