[Bug c++/69323] [4.9/5/6 Regression] Segmentation fault when instantiating class template with inner class which declares itself as a friend

[bd at jollyrogerlabs dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69323

--- Comment #3 from Brian Davis <bd at jollyrogerlabs dot com> ---
I just ran downstairs and used this to break g++ 4.9.2 running on Ubuntu 15.04
as well, using my original source file.  Here's the compiler version string,
and I'll attach the preprocessed file:

$ g++ --version
g++ (Ubuntu 4.9.2-10ubuntu13) 4.9.2