[Bug c++/68301] self-dependent reference member initialization not diagnosed

[lopezibanez at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68301

--- Comment #4 from Manuel López-Ibáñez <lopezibanez at gmail dot com> ---
This is a duplicate of bug 19808. There's a patch there that I believe
needs just a little more work.