[Bug c++/108488] segfault with -fmodules-ts and class-scope friend declaration first in uninstantiated template

[wendellcraigbaker at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108488

--- Comment #3 from Wendell Baker <wendellcraigbaker at gmail dot com> ---
Created attachment 54324
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=54324&action=edit
shell script and C++ to demonstrate with <map> and <unordered_map> in
combination

This happens in real life with the confluence of <map> and <unordered_map> as
the accompanying exhibition highlights.